Ransomware Research
TmrCrypt0r Ransomware
TmrCrypt0r is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- TmrCrypt0r
- First Seen
- June 1, 2023
How TmrCrypt0r Ransomware Works
Targeted Files
Skips first 0x75 bytes
File Encryption Patterns
TmrCrypt0r modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..TMRCRYPT0RRansom Note and Payment Demands
After encrypting files, TmrCrypt0r displays ransom notes demanding payment for file recovery:
КАК РАСШИФРОВАТЬ ФАЙЛЫ.txtRansom message:
notes/КАК РАСШИФРОВАТЬ ФАЙЛЫ.txt
Note locations:
EveryFolderRansom message:
notes/note.txt
Note locations:
OnceOnCompletionTechnical Indicators
Associated Executable Files
The following executable files are associated with TmrCrypt0r ransomware:
hOa0Rf2piJEds4R.exez1xg82dcbdyiwuoc8324ydf8hsafhlsvhusfdg.exe
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About This Analysis
This TmrCrypt0r 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 TmrCrypt0r.
Last updated: July 30, 2025