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Files have been encrytped with a ransomware

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#1 lewisn01


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Posted 23 March 2016 - 12:13 AM



My files have been encrypted with a code that needs a key, i.e. cryptolocker (although I have learned this is no longer so this is a copycat)  I have no idea how it happened or when, all of a sudden i couldn't get into my files and I got the ransom message.


can you please help me, I have very little computer knowledge but I will try my best to answer everything for you.


thanks so much for your help


here is a copy of the note I got and also a copy of a few file now.  


I have run

1)ESET Rogue Application Remover

2)Microsoft's Malicious Software Removal tool


Attached File  +REcovER+tjdxl+.txt   2.49KB   2 downloads


Attached File  burpies.pdf   1.9MB   1 downloads


thanks so much again



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#2 quietman7


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Posted 23 March 2016 - 05:55 AM

You are dealing with TeslaCrypt.

TeslaCrypt 3.0 will have the .xxx, .ttt, .micro or .mp3 extension appended to the end of the affected filename and leave files (ransom notes) with names like recovery_file_[random].txt, recover_file_[random].txt, Howto_Restore_FILES.TXT, help_recover_instructions+[3-random].txt, Recovery+[5-random].txt, _ReCoVeRy_+[5-random].txt, Recovery_[5-random].txt, _H_e_l_p_RECOVER_INSTRUCTIONS+[3-random].txt, _recovery_+cryptolocker.txt, RECOVERY.TXT.

TeslaCrypt 4.0 no longer uses an obvious extension for encrypted filenames...although when first released it used the .mp3 extension. TeslaCrypt 4.0 will leave files (ransom notes) with names like RECOVER+[random].TXT, RECOVER[5-random].TXT, recover_file.txt, _rEcOvEr_[5-random].txt and +-HELP-RECOVER-+[5-random]-+.txt.

Currently, there is no way of decrypting TeslaCrypt 4.0 or TeslaCrypt 3.0 .xxx, .ttt, .micro, .mp3 variants unless you pay the ransom since they use a different protection/key exchange algorithm, a different method of key storage and the key for them cannot be recovered. The .xxx, .ttt, micro and .mp3 variants do not have a SharedSecret*PrivateKey so they are not supported by the current version of TeslaViewer. The tool can decrypt TeslaCrypt 3.0 files only if you have the private key acquired from the malware developer after paying the ransom. If infected with any of these extensions, backup all your encrypted files and wait for a possible solution.

There is an ongoing discussion in this topic where you can ask questions and seek further assistance but as noted above there is no solution to fix your encrypted files yet.Rather than have everyone start individual topics, it would be best (and more manageable for staff) if you posted any questions, comments or requests for assistance in that topic discussion. Doing that will also ensure you receive proper assistance from our crypto malware experts since they may not see this thread. To avoid unnecessary confusion...this topic is closed.

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