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Help for my file for this variant online


Raditya
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2 hours ago, Raditya said:

Error: No key for New Variant online ID: chEql9SXLKTV9Gx7GYkdkF36ayG4vmf6WSsVueWF
Notice: this ID appears to be an online ID, decryption is impossible

Hello, @Raditya

This is not a bug in the program. Thus, the decryptor informs that it does not have a key and that decryption is impossible because the encryption key was generated on the ransomware server and transmitted to the computer to encrypt the files. It cannot be hacked by enumerating all the combinations, for the entire period of human life.

Next, I'll tell you what you should do as soon as possible and how else you can try to get some files back.

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What to do? Everything is lost?
If there is currently no way to decrypt files, but in the future, in theory, extortionists can publish keys to all of their victims. This does not happen often, but this year we have seen such cases several times.

Why did this happen?

This 'STOP Ransomware' enters the PC due to the fact that the computer is poorly protected. People often use free antivirus programs with the 'Free' label in the name. None of these programs will protect PC from programs similar to 'STOP Ransomware', because basic protection is not capable of this feat.
If users used comprehensive protection of the 'Internet Security' class, then it would help protect PC from ransomware attacks.

There is no 100% protection against malware, but what the 'Free' antivirus gives is 1-2 percent protection. 

After this attack, PCs could have stayed other malware elements. This maybe be an info-stealer, miner, backdoor, and something else. Therefore, it is urgent to conduct a full check and destroy malware.

Use comprehensive anti-virus software such as Emsisoft Anti-Malware to effectively remove the malware. 
You can get a free trial 30-days version of Emsisoft Anti-Malware here: https://www.emsisoft.com/en/home/antimalware/

It will help you clean your PC from other malware for free.

!!! You need to neutralize all malicious files in the system. This should be done as quickly as possible. 

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Only after neutralizing all malicious files ...

This is not the decryption, it is the recovery of certain types of files using the features of these files.

1) If you have encrypted ZIP/RAR archives, you can partially recover them. Only 1-2 files are damaged there. Remove the extension that the ransomware added to the archives, and extract the files in the usual way. Everything except 1-2 files will be fixed. If there is only 1 file in the archive, then it will most likely be unrecoverable.

2) There is an alternative (additional) way to recover some media files:
WAV, MP3, MP4, M4V, MOV, 3GP.

https://www.disktuna.com/media_repair-file-repair-for-stop-djvu-mp3-mp4-3gp

But before trying the alternative variant with media files, it is recommended that you make a copy of the encrypted files. Something will be restored better, something will be restored worse. 

Some types of files can be opened (restored) using the application in which they were created. To do this, you must first remove the extension added by the ransomware. Then can try to open the file from the program in which it was created. If you open audio and video files in the editor, it will restore the structure, and upon closing it will offer to save the changes in the file.

3) If you have PDFs or files of other e-books, then they may suffer in part if they were not protected from manual modification. Therefore, after removing the added extension, they can be partially read (~ 80%).

Unfortunately, it is not yet possible to recover files created in MS Office applications due to their sensitivity to any damage. They can be easily damaged without encryption. It is easier to recover and read text written on paper or on stone than one created in MS Office.

An alternative method for other files has not yet been found. I understand that this will not be enough, but recovering some of the files is better than losing everything...

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