Ransomware Research
Karmen Ransomware
Karmen is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Karmen
- First Seen
- March 1, 2017
How Karmen Ransomware Works
Targeted Files
Requires C&C to send and receive data Ransom note message started from another executable (downloaded from the WEB)
File Encryption Patterns
Karmen modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..grtRansom Note and Payment Demands
After encrypting files, Karmen displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Technical Indicators
Associated Executable Files
The following executable files are associated with Karmen ransomware:
joise.exeNOTHERSPACE_USE.exeko.exe
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About This Analysis
This Karmen 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 Karmen.
Last updated: July 30, 2025