Ransomware Research
Knoth Ransomware
Knoth is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2025, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Knoth
- First Seen
- June 1, 2025
How Knoth Ransomware Works
File Encryption Patterns
Knoth modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..knothRansom Note and Payment Demands
After encrypting files, Knoth displays ransom notes demanding payment for file recovery:
联系我吧!!!!!!!!!!.txtRansom message:
notes/联系我吧!!!!!!!!!!.txt
Note locations:
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About This Analysis
This Knoth 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 Knoth.
Last updated: September 30, 2025
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