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2 replies to this topic

#1 Maneeshks88


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Posted 18 March 2016 - 08:28 AM

I have a windows 2008 r2 server.Now i am facing a virus issue.some files are appeared as extension .mp3.

What i will do.I have a full backup of server.


Do i need to reformat every thing or is there any other way.

please help.

Edited by hamluis, 18 March 2016 - 10:05 AM.
Moved from Introductions to General Security - Hamluis.

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#2 Captain_Chicken


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Posted 18 March 2016 - 10:18 AM

Welcome to bc!

First step is I would disconnect this server from the internet just in case. Then format the drive and restore from backups. Is there a ransom note?

Please upload an example encrypted file here: bleepingcomputer.com/mrc

Edited by Captain_Chicken, 18 March 2016 - 10:20 AM.

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#3 quietman7


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Posted 18 March 2016 - 08:17 PM

Any files that are encrypted with TeslaCrypt 3.0 will have the .xxx, .ttt, .micro or .mp3 extension appended to the end of the affected filename. TeslaCrypt 4.0 had the .mp3 extension appended to the end of the affected filename when first released but currently it does not change the extension.

Currently, there is no way of decrypting TeslaCrypt 3.0 .xxx, .ttt, .micro, .mp3 variants or TeslaCrypt 4.0 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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