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notes/note.txt
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
File modification behavior
Karmen updates file modification timestamps after encryption.
File encryption patterns
Karmen modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- .grt
Ransom note and payment demands
After encrypting files, Karmen displays ransom notes demanding payment for file recovery:
Technical indicators
Associated executable files
The following executable files are associated with Karmen ransomware:
- joise.exe
- NOTHERSPACE_USE.exe
- ko.exe
About this analysis
This Karmen ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like Karmen.
Detection coverage
Elastio detects Karmen inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Karmen across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.