TeslaCrypt includes several known versions with various extensions for encrypted files to include: .ecc, .ezz, .exx, .xyz, .zzz, .aaa, .abc, .ccc, .vvv, as described described here
. At least one of the new variants was disguised as CryptoWall
Any files that are encrypted with TeslaCrypt
will have the .ecc
extension appended to the end of the filename and leave .html, .txt files (ransom notes) named HELP_RESTORE_FILES.txt. Any files that are encrypted with Alpha Crypt
(TeslaCrypt renamed) will have the .ezz
extension appended to the end of the filename and leave .html, .txt files (ransom notes) named HELP_TO_SAVE_FILES.txt, RECOVERY_FILES.txt.
Any files that are encrypted with the newer variant of TeslaCrypt
will have the .exx
extension appended to the end of the filename. The .aaa/.abc/.ccc/.vvv variants leave .html, .txt, files (ransom notes) with names like RECOVERY_FILE_*****.txt, restore_files_*****.txt, recover_file_*****.txt, Howto_RESTORE_FILES_*****.txt, howto_recover_file_*****.txt, _how_recover_*****.txt, how_recover+****.txt (where * are random characters).
A repository of all current knowledge regarding TeslaCrypt
, Alpha Crypt
and newer variants is provided by Grinler
(aka Lawrence Abrams
), in this topic: TeslaCrypt and Alpha Crypt Ransomware Information Guide and FAQ
Information about and support for decrypting files affected by Alpha Crypt & TeslaCrypt ransomware can be found in this topic:
Since version 5 there is no way to decrypt the newer TeslaCrypt variants
(.xyz, .zzz, .aaa, .abc, .ccc, .vvv) without Tesla's private key or a purchased decryption key. It is no longer possible to get the encryption key from Tesla's request without Tesla's private key...since there is no private key anymore, it can't be used to decrypt files. See here
for possible decryption information with each version.
There are ongoing discussions in these topics where you can ask questions and seek further assistance.
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 one of those topic discussions, particularly the last if dealing with one of the newer variants. 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.
The BC Staff