Ransomware Research
Crypthus Ransomware
Crypthus 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
- Crypthus
- First Seen
- June 1, 2025
How Crypthus Ransomware Works
File Encryption Patterns
Crypthus modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..crypthusRansom Note and Payment Demands
After encrypting files, Crypthus displays ransom notes demanding payment for file recovery:
crypthus.notice.txtRansom message:
notes/crypthus.notice.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Crypthus ransomware:
go-remover.exe
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About This Analysis
This Crypthus 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 Crypthus.
Last updated: September 30, 2025
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