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    GT500

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    Amigo-A

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  3. Kevin Zoll

    Kevin Zoll

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    stapp

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Popular Content

Showing content with the highest reputation since 06/04/19 in Posts

  1. 4 points
    Link to decrypter download page. <- The decrypter will tell you if your files are decryptable, whether you're dealing with an "old" or "new" variant of STOP/Djvu, and whether your ID is online or offline. Link to instructions for using the decrypter (PDF). Link to "file pair" submission form. Link to more information about the decrypter. <- Article at BleepingComputer.com Link to more detailed information about STOP ransomware (covers more than just STOP/Djvu). <- Forum post at BleepingComputer.com How do I remove the ransomware? The STOP/Djvu decrypter will stop the ransomware from running so that it can't continue encrypting your files, however it doesn't completely remove the ransomware. Most Anti-Virus software will detect STOP/Djvu if you run a scan for it, however if you don't have Anti-Virus software installed then you can run a Malware Scan with Emsisoft Emergency Kit (free for home/non-commercial use). Note that formatting the hard drive and reinstalling Windows will also remove the infection, however this ransomware is particularly easy to remove, so if a computer is only infected with STOP/Djvu then formatting the drive would be unnecessary. Will removing the infection unlock my files? No. Your files are encrypted. This encryption needs to be reversed (via a process called "decryption") before your files will be usable again. This encryption cannot be removed or undone simply by removing the STOP/Djvu ransomware infection. The decrypter can't decrypt my files? In most cases this means you have an online ID. It could also mean your files were encrypted by a newer variant of STOP/Djvu. See below for explanations. Why won't the decrypter run? The decrypter requires version 4.5.2 or newer of the Microsoft .NET Framework, so this could mean your version of the .NET Framework is out of date. We recommend installing the latest version of the .NET Framework (4.8 at the time of writing this), and then trying the decrypter again. Why is the decrypter stuck on "Starting"? When you run the decrypter, it looks for encrypted files. It will say "Starting" until it is able to find some. If the decrypter remains stuck on "Starting" for a long period of time, then this means it is unable to find any encrypted files. Offline ID. When the ransomware can't connect to its command and control servers while encrypting your files, it uses a built-in encryption key and a built-in ID. Offline ID's generally end in t1 and are usually easy to identify. Since the offline key and ID only change with each variant/extension, everyone who has had their files encrypted by the same variant will have the same ID and the files will be decryptable by the same key (or "private key" in the case of RSA encryption). Online ID. In most cases the ransomware is able to connect to its command and control servers when it encrypts files, and when this happens the servers respond by generating random keys for each infected computer. Since each computer has its own key, you can't use a key from another computer to decrypt your files. The decrypter is capable of working around this with older variants as long as it has some help, however for newer variants there is nothing that can be done to recover files. Old Variants. Old variants were those in distribution until near the end of August, 2019. Our decrypter supports offline ID's for almost all older variants, and can decrypt files for those with offline ID's without needing any help. For online ID's, it's necessary to supply file pairs to our online submission form so that the decrypter can be "trained" how to decrypt your files. A list of extensions from older variants can be found at the bottom of this post. New Variants. These use a more secure form of RSA encryption. Support for some offline ID's has been added to the decrypter for newer variants, and support for new offline ID's will be added as we are able to figure out decryption keys for them. As for online ID's, due to the new form of encryption, there's currently nothing the decrypter can do to help recover files. Will it ever be possible to decrypt new variants with online ID's? That depends on whether or not law enforcement is able to catch the criminals who are behind this ransomware. If law enforcement is able to catch them and release their database of keys, then we can add those to our database for decryption. If you would like to report this ransomware incident to law enforcement, then please click here for more information. The more reports law enforcement agencies receive, the more motivation they have to track down the criminals. What is a file pair? This refers to a pair of files that are identical (as in they are the exact same file), except one copy is encrypted and the other is not. Our decryption service can analyze the differences between an encrypted file and an original unencrypted copy of the same file, allowing it to determine how to decrypt that type of file. For most victims with an older variant of STOP/Djvu, submitting file pairs will be the only way they will get their files back. File pairs only work for one type of file. Due to the way encryption works in STOP/Djvu, file pairs can only help the decryption service figure out how to decrypt one type of file. For instance, if you submit a file pair for an MP3 file, then the decrypter will be able to decrypt all of your other MP3 files, however it won't be able to decrypt any other type of file. There are some exceptions to this, such as certain newer Microsoft Office documents (such as DOCX and XLSX) since those files are technically ZIP archives. The decrypter can't decrypt all of my pictures even though I submitted file pairs for them? JPEG/JPG images have a format oddity that causes file pairs to be specific to each source of pictures, rather than the file format in general. As an example, if you have pictures from two different cameras, and submit a file pair from the group of pictures from one of the cameras, then the decrypter will only be able to decrypt files from the camera that the file pair came from. In order to decrypt all JPEG/JPG images, you will need to submit file pairs from every source you've obtained those pictures from. What does "Remote name could not be resolved" mean? It's an indication of a DNS issue. Our first recommendation is to reset your HOSTS file back to default. Microsoft has an article about this at the following link: https://support.microsoft.com/en-us/help/972034/how-to-reset-the-hosts-file-back-to-the-default Is there anything I can do to help catch these criminals? The best thing you can do right now is file a report with your country's national law enforcement. There is more information available at the following link: https://www.nomoreransom.org/en/report-a-crime.html Extensions from older variants that the decrypter supports:
  2. 3 points
    Ransomware infections are unique in many ways. Most importantly, a lot of the natural instincts which are usually correct when dealing with malware infections can make things worse when dealing with ransomware. Please see the following steps as a guideline when dealing with your ransomware infection. Do not delete the ransomware infection The natural instinct of most users is first to remove the infection as quickly as possible. This instinct is, unfortunately, wrong. In most cases, we will require the ransomware executable to figure out what exactly the ransomware did to your files. Finding the right ransomware sample becomes infinitely more challenging when you deleted the infection and can't provide us with the ransomware. It is okay to disable the infection by disabling any autorun entries pointing to it or by quarantining the infection. However, it is important not to delete it from quarantine or to remove the malicious files right away without a backup. Disable any system optimisation and cleanup software immediately A lot of ransomware will store either itself or necessary files in your temporary files folder. If you do use system cleanup or optimisation tools like CCleaner, BleachBit, Glary Utilities, Clean Master, Advanced SystemCare, Wise Disk/Registry Cleaner, Wise Care, Auslogics BoostSpeed, System Mechanic, or anything comparable, disable those tools immediately and make sure there are no automatic runs scheduled. Otherwise, these applications may remove the infection or necessary ransomware files from your system, which may be required to recover your data. Create a backup of your encrypted files Some ransomware has hidden payloads that will delete and overwrite encrypted files after a certain amount of time. Decrypters may also not be one hundred percent accurate, as ransomware is often updated or simply buggy and may damage files in the recovery process. In those cases, an encrypted backup is better than having no backup at all. So we urge you to create a backup of your encrypted files first, before doing anything else. Server victims: Figure out the point of entry and close it Especially recently we have seen a lot of compromises of servers. The usual way in is by brute-forcing user passwords via RDP/Remote Desktop. We firmly suggest you check your event logs for a large number of login attempts. If you find such entries or if you find your event log to be empty, your server was hacked via RDP. It is crucial that you change all user account passwords immediately. We also suggest to disable RDP if at all possible or at least change the port. Also, it is important to check all the user accounts on the server, to make sure the attackers didn't create any backdoor accounts on their own that would allow them to access the system later. Figure out what ransomware infected you Last but not least it is important to determine what ransomware infected you. Services like VirusTotal, which allows you to scan malicious files, and ID Ransomware, which lets you upload your ransom note and encrypted files to identify the ransomware family, are incredibly useful and we will probably end up asking you for the results of either of these services. So by providing them right away, you can speed up the process of getting back your files. If you struggle with any of these points, please feel free to ask for help. Our ransomware first aid service comes with no-strings-attached and is free for both customers and non-customers.
  3. 2 points
    That means you have files encrypted by an offline key. They can be decrypted WHEN/IF Emsisoft recovers the offline/ private key. Suggest you run the decrypter on a test bed of some of these files every week or so to check. Emsisoft doesn't announce key recoveries. Suggest you run the decrypter NOW.
  4. 2 points
    We can take a look at it if you find it again, however it's more than likely that each computer will require a different private key to decrypt files, and thus the decrypter will only work on a specific computer.
  5. 2 points
    Password protected archives work, as long as the password isn't posted with the link. Personally I prefer malicious files to be uploaded to VirusTotal and the link to the analysis posted, as we can download from VirusTotal but the average person who comes across our forums can't. Just keep in mind that all it takes to be allowed to download from VirusTotal is a premium account there, so technically anyone can get access to download files and thus you don't want to upload anything confidential there. We've started an analysis on it as well, however I don't think our malware analysts have had a chance to finish yet. I'll pass your links on in case they come in handy.
  6. 2 points
    I have provided links to the analyzes above. Specialists Emsisoft will receive these files.
  7. 2 points
    The Emsisoft Browser Security extension is now available on the Microsoft Addons store for Chromium Edge: https://microsoftedge.microsoft.com/addons/detail/jlpdpddffjddlfdbllimedpemaodbjgn Hopefully we'll be able to update EAM soon to check whether or not it's installed when you launch Chromium Edge.
  8. 2 points
    OK. I am very glad that you were able to decrypt the files. Now you need to better protect your computer in order to prevent a new attack.
  9. 2 points
    Hello. This link can help! https://labs.bitdefender.com/2019/02/new-gandcrab-v5-1-decryptor-available-now/ Bitdefender Labs has made a decryption tool.
  10. 2 points
    Such tests aren't reliable. They aren't actually malicious, and may not be blocked by our Behavior Blocker like real ransomware would.
  11. 2 points
    @adityagede99, @Chinnhoo Computer, and @Kotari koteswararao this is a newer variant of STOP/Djvu, and your ID's are online ID's, so there is currently no way to decrypt your files. There is more information at the following link: https://support.emsisoft.com/topic/32045-about-the-stopdjvu-decrypter/ @Surasri this is a newer variant of STOP/Djvu. Fortunately your ID is an offline ID, however we don't yet have the private key for it. I recommend running the decrypter once every week or two so that you can see when we've been able to add the private key for your variant. There is more information at the following link: https://support.emsisoft.com/topic/32045-about-the-stopdjvu-decrypter/ @Nouman this is a newer variant of STOP/Djvu. If you have an offline ID, then once we can find the decryption key for this variant and add it to our database you should be able to recover your files. However, if you have an online ID (which is more likely) then it will not be possible to recover your files. There is more information at the following link: https://support.emsisoft.com/topic/32045-about-the-stopdjvu-decrypter/ I recommend running the decrypter once every week or two so that you can see when we've been able to add the private key for your variant. The STOP/Djvu ransomware will encrypt files on any drive connected to your computer. Yes. It requires a connection to our servers to function. We don't "develop" private keys. Those are created by the servers operated by the criminals. With offline ID's, since everyone's files who have offline ID's for the same variant of STOP/Djvu have been encrypted with the same public key, their files can all be decrypted with the same private key. We get those private keys when someone who has an offline ID pays the ransom and donates the decrypter the criminals sent them to us so that we can extract the private key from it. This process takes time, as it relies on the generosity of victims who have enough money and don't mind paying the ransom in order to make a donation like that.
  12. 2 points
    This is an offline ID, however we don't yet have the private key for it. I recommend running the decrypter once every week or two so that you can see when we've been able to add the private key for your variant. There is more information at the following link: https://support.emsisoft.com/topic/32045-about-the-stopdjvu-decrypter/
  13. 2 points
    I am running decrypter in every 2 days. I hope...! I will have my files decrypted one day soon. I hope...! :) Thank you
  14. 2 points
    If you want to make sure the Behavior Blocker is working, there's a batch file in the ZIP archive at the following link that should trigger a detection when you run it: https://www.gt500.org/emsisoft/bb_test.zip Just extract it somewhere, double-click on the batch file, and let Emsisoft Anti-Malware quarantine it. If you don't allow it to be quarantined, then it won't work as an effective test anymore.
  15. 2 points
    @Kevin Zoll @GT500 Just tried using STOP djvu decryptor a while ago and my files were successfully decrypted. Thank you so much Emsisoft Team. 😭
  16. 2 points
    @m2413 and @Juroan24 private keys for offline ID's are added to our database once we are able to find them. Just run the decrypter once every week or two in order to see when we've added the private key for your variant.
  17. 2 points
    We just added the private key for .reha offline ID's on Thursday, which is why it suddenly was able to decrypt your files. Thanks for letting us know that it worked. 👍
  18. 2 points
    As the FAQ clearly states, you have an online ID, and it is not decryptable. Only the criminals have your key.
  19. 2 points
    Hello @SalasKafa, Thank you for contacting Emsisoft Support. TOPI is a newer variant of the STOP/DJVU family of ransomware and is not supported by our decryption tool. Any ID ending in t1 is an Offline ID anything else is an Online ID. This is important as it tells us how the encryption key was generated. There may be multiple Ids, especially if communication between the target system and the command & control server is interrupted for any reason, or because the file encryption was done in stages to avoid detection. An Offline ID means that the encryption key pair was generated locally and the encryption key is encoded in a file. An Online ID means the encryption key pair was generated and stored on a remote command & control server under the control of the ransomware gang responsible for encrypting your files. Why is this important? The ID of the file(s) is how private encryption keys are identified. If we have a private encryption key matching the ID for a file(s) then that can be used to decrypt the file(s). However, this is all contingent on us having a matching private encryption key in our database. The downside of all this is that we are not currently in possession of private encryption keys for the TOPI variant of STOP/DJVU.
  20. 2 points
    @Amigo-A All variants of ChernoLocker do not leave a ransom note. It is a Python compiled script that just displays a message box when done, and opens a URL in the browser. url = f.decrypt('gAAAAABd5uHecSzXalJbhS48cQlhKynkcDotLAv8c3TD0jBkUvDQb-Z5snS7XgONHXqiNd5Czd94vCQix280kyHSjNnAwzgl66vYj_-YyTtPnNxTN3YjP-tZdQtd1bqe1WyRwrD-2m0xvruurd37CbHVSf2cTy-yCDCTN-MadttLITlVisEFMcKstpwHOUi-KV6YZ-7MmWcz2aaB1WmgSDNs_SN2buoKTg==') # url = 'https://platinumdatasolutionsltd.co.ke/wp-content/uploads/2018/11/landing-screenshot-img-9-768.jpg' webbrowser.open_new_tab(url) win32ui.MessageBox("All Your Files have now been encrypted with the strongest encryption\nYou need to purchase the encryption key otherwise\nyou won't recover your files\nRead the Browser tab on ways to recover your files\nMake Sure you dont loose this Email as you it will be loosing it will be fatal \nWrite it in a notepad and keep it safe \nEmail: [email protected]", 'YOUR FILES HAVE BEEN ENCRYPTED') @Raúl Try re-downloading the decryptor for v1.0.0.2 now. I've added support for your variant.
  21. 2 points
    @ferko85 Let’s deal with the active malware infection before attempting to recover your files. Download to your Desktop: Farbar Recovery Scan Tool NOTE: You need to run the version compatible with your system. If you are not sure which version applies to your system download both of them and try to run them. Only one of them will run on your system, that will be the right version. NOTE: If you are unable to download FRST from the infected system, FRST can be saved to and run from a USB flash drive. Run Farbar Recovery Scan Tool (FRST): Double-click to run it. When the tool opens click Yes to the disclaimer. NOTE: DO NOT change any of the default settings. If you do we will just close your logs and ask for new ones ran with FRST's default settings. Press the Scan button. Farbar Recovery Scan Tool will produce the following logs: FRST.txt Addition.txt
  22. 2 points
    Yes, that should be an offline ID. Make a backup of your files, and try running the decrypter once every week or two to see if we've been able to add the private key for this variant to our database. Once it's added to the database, the decrypter should be able to decrypt your files.
  23. 2 points
    Emsisoft Anti-Malware earns VB100 in December 2019 tests by certification body Virus Bulletin. The post Emsisoft earns VB100 in December 2019 tests appeared first on Emsisoft | Security Blog. View the full article
  24. 2 points
    In most cases, those features should work without the need to keep most of the software that computer manufacturers pre-install. If you're not certain about what software should be kept or removed, then there are third-party softwares that can help (Decrapifier for instance, and for a while there was a ridiculous batch file that techs were using that could do it).
  25. 2 points
    I've forwarded your ID and MAC addresses to the creator of STOPDecrypter so that he can archive them in case he is able to figure out your decryption key at some point in the future. All you have to do now is give us some time, and we'll do what we can for you.
  26. 2 points
    That's an offline ID. Support for it should be added to STOPDecrypter soon, and once that happens it should be possible for you to decrypt your files.
  27. 1 point
    His files were encrypted by an offline key. The Emsisoft decrypter cannot recover files encrypted by .mado with an online key.
  28. 1 point
    According to their manual you can uninstall it from Apps & Features: http://h10032.www1.hp.com/ctg/Manual/c06379792
  29. 1 point
    I've forwarded your file pair and log to our ransomware decrypter developer so that he can take a look at it.
  30. 1 point
    The Behavior Blocker uses a set of rules that we can update at any time. We base those rules on what kind of behavior we see from real-world malware, so if something is submitted that isn't triggering the Behavior Blocker then we can quickly update the rules to make sure that the behavior it exhibits is detected in the future.
  31. 1 point
    Eh, if know be in advance ... 😃 Only STOP Ransomware does that. Others encrypt or corrupt archives with all files. Maybe not all, there are many, can't check all.
  32. 1 point
    Just keep trying once every week or two. Once we have the private key the decrypter should suddenly be able to decrypt your files.
  33. 1 point
    This is a newer variant of STOP/Djvu. If you have an offline ID, then once we can find the decryption key for this variant and add it to our database you should be able to recover your files. However, if you have an online ID (which is more likely) then it will not be possible to recover your files. There is more information at the following link: https://support.emsisoft.com/topic/32045-about-the-stopdjvu-decrypter/ This is a newer variant of STOP/Djvu. Fortunately your ID is an offline ID, however we don't yet have the private key for it. I recommend running the decrypter once every week or two so that you can see when we've been able to add the private key for your variant. There is more information at the following link: https://support.emsisoft.com/topic/32045-about-the-stopdjvu-decrypter/
  34. 1 point
    https://www.emsisoft.com/ransomware-decryption-tools/stop-djvu - Emsisoft Decryptor for STOP Djvu
  35. 1 point
    Till now i haven't found any solution instead of paying the money to ransomware gang. Although i have my fills so i will wait for the decryption tool as thees files are important but i'm not going to pay single bit coin. Also i want to pay special Thank's to Emsisoft Support Team for there valuable support.
  36. 1 point
    I've passed the link on to the developer who made the decrypter. We'll let you know once he's had a chance to look at them.
  37. 1 point
    Try resetting your HOSTS file back to default: https://support.microsoft.com/en-us/help/972034/how-to-reset-the-hosts-file-back-to-the-default
  38. 1 point
    @kehinde @Jaykishan If our database has a decryption key matching the ID of the file, then that key can be used to decrypt your files. If the decryption tools states that the files cannot be decrypted, that is because we do not have the decryption key for those files. General Notes With Regards to STOP/DJVU If the decryption tool tells you the files cannot be decrypted, then they cannot be decrypted. That is not an error message. If your file(s) have an Online ID that means that the file(s) encryption keys were generated and stored on a command & control server under the control of the ransomware gang responsible for encrypting your files. We do not have access to those keys. If your files(s) have an Offline ID and were not decrypted it is because we do not have the corresponding decryption key in our database. Do not ask us when we plan on adding it, because we do not have it or a way for generating your decryption key. Our database does include some Offline ID decryption keys for newer variants of the STOP/DJVU family of ransomware. If the files were encrypted with an Offline ID that matches one of the decryption keys in our database, then our decryption tool will be able to decrypt those files that were encrypted using that key. New Variant STOP/DJVU utilizes the RSA encryption algorithm. RSA is considered a secure encryption method and is unbreakable using current technologies. It is not reversible, cannot be cracked, and we are not able to generate a decryption key. So do not send us encrypted files thinking we can recover your decryption key, we can't. Also, see https://support.emsisoft.com/topic/32045-about-the-stopdjvu-decrypter/ for more information on the STOP/DJVU decryption tool.
  39. 1 point
    @jrozasv The Emsisoft Decryptor has been updated to your version with .alka extension. Try the Decryptor again https://www.emsisoft.com/ransomware-decryption-tools/stop-djvu If you still have an early version in your downloads, then delete it so as not to confuse the files. Report the results.
  40. 1 point
    That's a newer variant, not and older variant. I assume the decrypter told you otherwise? We're looking in to why the decrypter is making that mistake, however our assumption at the moment is that it is defaulting to saying that when it can't connect to our database.
  41. 1 point
    @MrSalazar Screenshots are of no use to us when it comes to extracting the data necessary to form a fix. Please attach the EEK scan report to your reply.
  42. 1 point
    Yes, that should be an offline ID. If the decrypter isn't able to decrypt your files right now, then try running it once every week or two to see when we've added the private key for this variant of STOP/Djvu.
  43. 1 point
    In addition to having the latest .NET Framework per the instructions and FAQ, we have also released an update to the decryptor that may fix this as of v1.0.0.2.
  44. 1 point
    It's not necessary to reinstall Windows, as most Anti-Virus software will remove the STOP/Djvu ransomware, including our free (for home/non-commercial use) Emsisoft Emergency Kit. Granted you can reinstall if you'd like to. I recommend making a backup of your encrypted files first, so that you can keep them somewhere safe in case they can be decrypted at some point in the future.
  45. 1 point
    Probier doch mal noch mals zu deinstallieren, Neustart, und dann mit dem Tool "Emsiclean" alle Reste von EAM vollständig zu entfernen. Nach neustart EAM erneut installieren. Möglicherweise bringt das was. Das Emsiclean -Tool findest du auf der Emsi-Seite. Die Adresse habe ich im Moment nicht, schaue aber gern noch mal nach und poste sie hier.
  46. 1 point
    Hi, Migrating to ECC is completely stress-free anyway, as it's migration procedure is robust and easy. 1. Yes. When you create a new workspace (without assigning a license) and download the small 2mb webinstaller and run it on some devices where EAM is installed, it will apply a trial licence, disconnect from EEC and connect the devices to the workspace. By default, all new devices will be connected to the 'new computers' group, but you could also create a token per protection group and download the webinstaller from there. Devices then will be automatically assigned to that policy group. If you later want to assign a license to the workspace, all connected devices will get that license applied. 2. As soon as you assign a license to a workspace, all EEC connected devices will automatically disconnect from EEC and connect to ECC -new computers' group. Users will see a dialog where they need to confirm the switch to ECC, for security reasons. 3. yes. As i explained, there is no need to reinstall EAM. Another option is to run a2start /applytoken={token} on each client, via cmdline. It has the same effect as running the webinstaller+token on each device: check if EAM is installed, if so, apply the token and connec to to the workspace, of not, download latest MSI installer, install EAM and connect to the workspace. Hope this helps. Cheers
  47. 1 point
    Thank You to EMSI Team I have retrieve all my data without any lost by using the EMSI STOP DJUV utility from id 0188yTllsd8TwbCMGuw5Ei5PlymKj0pldFtsUYeGxci3YGlbt1 Thank you for whole the team and thank you for your Head. Regards, Imran zafar
  48. 1 point
    I have read the following article : Based on that article , I understand that we have to make an encrypted backup on a CLOUD storage driver for our safety. Then , we have to wait for new solutions and updates for removing and decrypting the .derp files.
  49. 1 point
    FYI: I've split our posts into a new topic so that we are no longer hijacking someone else's topic with an unrelated discussion.
  50. 1 point
    @fajar313 Good news for you. This ID was added to the STOPDecrypter and now you can decrypt the files with the new version of the STOPDecrypter. https://download.bleepingcomputer.com/demonslay335/STOPDecrypter.zip
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