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Hi, I have been hit by a strain of ransomeware with the file extension .muslat


Are there any known decrypters for these files?

I have managed to remove the malware itself and am now left with the encrypted files. Please help. Regards. Ryan

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extension .muslat


This is the result of an attack a new variant of STOP Ransomware.

I have been tracking the malicious work of this program since December 2017, this is earlier than many antivirus programs. Some of them announced the discovery of one of the variants of this Ransomware only in August 2018, when there was a massive attack on residents of many countries. Unfortunately, this attack continues.
Now on the forum a lot of victims from different variants of this Ransomware. In some cases, the files can be decrypted. This is possible only in case where the files were encrypted with offline keys and an instance of the malware was detected.


ID Ransomware can confirm that, and can let you know if STOPDecrypter can recover your files. 

Demonslay335  (the developer of the STOPDecrypter) collects information from the victims, writes data and tries to update the STOP Decrypter. After that, victims can try to decrypt the files.

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You say you removed the malicious program, but it can leave behind itself hidden copies that attack the PC in the same way.

We recommended to check PC before trying to decrypt the files and make sure that no such components have been left behind, so following the instructions at the link below to get us logs from FRST so that one of our experts can make sure there is nothing malicious now on your computer/

Please attach the log files FRST saves to a reply to this topic.

It is recommended to send the log files FRST as soon as possible. 

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