Ransomware Research
FXS Ransomware
FXS is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2021, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- FXS
- First Seen
- October 1, 2021
How FXS Ransomware Works
Targeted Files
marker at [0] offset
File Encryption Patterns
FXS modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
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About This Analysis
This FXS 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 FXS.
Last updated: July 30, 2025