Ransomware Research

TeslaCrypt 2.x Ransomware

TeslaCrypt 2.x is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2015, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
TeslaCrypt 2.x
First Seen
February 1, 2015

How TeslaCrypt 2.x Ransomware Works

File Encryption Patterns

TeslaCrypt 2.x modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..vvv..ecc..ezz..exx..abc..aaa..zzz..xyz..ccc

Ransom Note and Payment Demands

After encrypting files, TeslaCrypt 2.x displays ransom notes demanding payment for file recovery:

fileHELP_RESTORE_FILES.txt

Ransom message:

notes/HELP_RESTORE_FILES.txt

Note locations:

Desktop
fileHELP_RESTORE_FILES.HTML

Ransom message:

notes/HELP_RESTORE_FILES.HTML

Note locations:

Desktop
fileHELP_TO_DECRYPT_YOUR_FILES.txt

Ransom message:

notes/HELP_TO_DECRYPT_YOUR_FILES.txt

Note locations:

Desktop
file/\bhelp_restore_files_[a-z]{5}\.html\b/

Ransom message:

notes/help_restore_files_pwyfy.html

Note locations:

EveryFolder
file/^restore_files_[a-z]{5}\.txt$/

Ransom message:

notes/restore_files_nluen.txt

Note locations:

EveryFolder
file/^restore_files_[a-z]{5}\.html$/

Ransom message:

notes/restore_files_nluen.html

Note locations:

EveryFolder
file/\bHELP_RESTORE_FILES_[a-z]{5}\.TXT\b/

Ransom message:

notes/HELP_RESTORE_FILES_pwqcy.TXT

Note locations:

EveryFolder
file/\bhelp_restore_files_[a-z]{5}\.txt\b/

Ransom message:

notes/help_restore_files_pwyfy.txt

Note locations:

EveryFolder
file/^how_recover\+[a-z]{3}\.html$/

Ransom message:

notes/how_recover+dtn.html

Note locations:

EveryFolder
file/how_recover\+[a-z]{3}\.txt/

Ransom message:

notes/how_recover+dtn.txt

Note locations:

EveryFolder
screenshot

Ransom message:

notes/HELP_TO_DECRYPT_YOUR_FILES.bmp

Note locations:

Desktop
fileHowto_RESTORE_FILES.bmp

Ransom message:

notes/Howto_RESTORE_FILES.bmp

Note locations:

Desktop
fileHowto_RESTORE_FILES.txt

Ransom message:

notes/Howto_RESTORE_FILES.txt

Note locations:

Desktop
fileHowto_RESTORE_FILES.html

Ransom message:

notes/Howto_RESTORE_FILES.html

Note locations:

Desktop
file/how_recover\+[a-z0-9]{3}.txt$/

Ransom message:

notes/how_recover+uxv.txt

Note locations:

EveryFolder
file/how_recover\+[a-z0-9]{3}.html$/

Ransom message:

notes/how_recover+uxv.html

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with TeslaCrypt 2.x ransomware:

  • qaaaggg.exe
  • calc
  • iinnnnb.exe
  • attqqqc.exe
  • bbccmmm.exe
  • wannacry.exe
  • qanenhe.exe
  • ggiwbmi.exe
  • teslaBeispiel.exe
  • 046.exe
  • mbjinlf.exe
  • bmcncre.exe
  • d65b0160-sample
  • hsssspppx.exe
  • RS_Alphacrypt.exe

Recovery and Decryption Tools

Good news! Decryption tools are available for TeslaCrypt 2.x ransomware:

0

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About This Analysis

This TeslaCrypt 2.x ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like TeslaCrypt 2.x.

Last updated: September 30, 2025

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