Ransomware Research
Onyx Ransomware
Onyx is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Onyx
- First Seen
- August 1, 2016
How Onyx Ransomware Works
Targeted Files
Fake NOSAMPLE
Ransom Note and Payment Demands
After encrypting files, Onyx displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
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About This Analysis
This Onyx 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 Onyx.
Last updated: July 30, 2025