Ransomware Research
TeslaCrypt 3.0 Ransomware
TeslaCrypt 3.0 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- TeslaCrypt 3.0
- First Seen
- February 1, 2016
How TeslaCrypt 3.0 Ransomware Works
Targeted Files
Requires C&C
File Encryption Patterns
TeslaCrypt 3.0 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..micro..xxx..ttt..mp3Ransom Note and Payment Demands
After encrypting files, TeslaCrypt 3.0 displays ransom notes demanding payment for file recovery:
/\bRecovery\+[a-z]{5}\.txt\b/Ransom message:
notes/Recovery+eubpm.txt
/\bRecovery\+[a-z]{5}\.html\b//_RECoVERY_\+[a-z]{5}\.html$/Ransom message:
notes/_RECoVERY_+ljdfh.html
Note locations:
EveryFolder/_RECoVERY_\+[a-z]{5}\.png$/Ransom message:
notes/_RECoVERY_+ljdfh.png
Note locations:
EveryFolder/_RECoVERY_\+[a-z]{5}\.txt$/Ransom message:
notes/_RECoVERY_+ljdfh.txt
Note locations:
EveryFolder/\+REcovER\+[a-z]{5}\+\.txt$/Ransom message:
notes/+REcovER+wpiqn+.txt
Note locations:
EveryFolder/\+REcovER\+[a-z]{5}\+\.png$/Ransom message:
notes/+REcovER+wpiqn+.png
Note locations:
EveryFolder/\bRecovery\+[a-z]{5}\.png\b//help_recover_instructions\+[a-z0-9]{3}\.txt/Ransom message:
notes/help_recover_instructions+sns.txt
Note locations:
EveryFolder/help_recover_instructions\+[a-z0-9]{3}\.html/Ransom message:
notes/help_recover_instructions+sns.html
Note locations:
EveryFolder/help_recover_instructions\+[a-z0-9]{3}\.png/Ransom message:
notes/help_recover_instructions+djr.png
Note locations:
EveryFolder/_H_e_l_p_RECOVER_INSTRUCTIONS\+[a-z0-9]{3}\.png/Note locations:
EveryFolder/_H_e_l_p_RECOVER_INSTRUCTIONS\+[a-z0-9]{3}\.txt//_H_e_l_p_RECOVER_INSTRUCTIONS\+[a-z0-9]{3}\.htm/Elastio Can Help You
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About This Analysis
This TeslaCrypt 3.0 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 3.0.
Last updated: July 30, 2025