Ransomware Research
Cyron Ransomware
Cyron is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Cyron
- First Seen
- August 1, 2017
How Cyron Ransomware Works
File Encryption Patterns
Cyron modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..CYRONRansom Note and Payment Demands
After encrypting files, Cyron displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletionTechnical Indicators
Associated Executable Files
The following executable files are associated with Cyron ransomware:
lkjl488ylk4840yao409890yp.exeFILE_24
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About This Analysis
This Cyron 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 Cyron.
Last updated: July 30, 2025