Ransomware Research
Cassetto Ransomware
Cassetto is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Cassetto
- First Seen
- August 1, 2018
How Cassetto Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
Cassetto modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..cassettoRansom Note and Payment Demands
After encrypting files, Cassetto displays ransom notes demanding payment for file recovery:
IMPORTANT ABOUT DECRYPT.txtRansom message:
notes/IMPORTANT ABOUT DECRYPT.txt
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About This Analysis
This Cassetto 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 Cassetto.
Last updated: July 30, 2025