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

File Encryption Patterns

TmrCrypt0r modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..TMRCRYPT0R

Ransom Note and Payment Demands

After encrypting files, TmrCrypt0r displays ransom notes demanding payment for file recovery:

fileКАК РАСШИФРОВАТЬ ФАЙЛЫ.txt

Ransom message:

notes/КАК РАСШИФРОВАТЬ ФАЙЛЫ.txt

Note locations:

EveryFolder
message

Ransom message:

notes/note.txt

Note locations:

OnceOnCompletion

Technical Indicators

Associated Executable Files

The following executable files are associated with TmrCrypt0r ransomware:

  • hOa0Rf2piJEds4R.exe
  • z1xg82dcbdyiwuoc8324ydf8hsafhlsvhusfdg.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: October 30, 2025

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