Ransomware Research
Priapos Ransomware
Priapos 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
- Priapos
- First Seen
- March 1, 2017
How Priapos Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
Priapos modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..PRIAPOSRansom Note and Payment Demands
After encrypting files, Priapos displays ransom notes demanding payment for file recovery:
Instructions!!!.htaRansom message:
notes/Instructions!!!.hta.txt
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About This Analysis
This Priapos 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 Priapos.
Last updated: July 30, 2025