Ransomware Research
Satyr Ransomware
Satyr is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Satyr
- First Seen
- April 1, 2018
How Satyr Ransomware Works
Targeted Files
https://app.any.run/tasks/bcc47822-824b-4ad4-9dc8-786c9ba0794b/
File Encryption Patterns
Satyr modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..SatyrRansom Note and Payment Demands
After encrypting files, Satyr displays ransom notes demanding payment for file recovery:
READ ME.txtRansom message:
notes/READ ME.txt
Note locations:
DesktopRansom message:
notes/note.txt
Note locations:
OnceOnCompletionTechnical Indicators
Associated Executable Files
The following executable files are associated with Satyr ransomware:
SF.exeSatyr.exe
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About This Analysis
This Satyr 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 Satyr.
Last updated: July 30, 2025