Ransomware Research
Kmufesd Ransomware
Kmufesd is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Kmufesd
- First Seen
- March 1, 2023
How Kmufesd Ransomware Works
File Encryption Patterns
Kmufesd modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..kmufesdRansom Note and Payment Demands
After encrypting files, Kmufesd displays ransom notes demanding payment for file recovery:
HOW TO RESTORE YOUR FILES.TXTRansom message:
notes/HOW TO RESTORE YOUR FILES.TXT
Note locations:
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About This Analysis
This Kmufesd 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 Kmufesd.
Last updated: July 30, 2025