Ransomware Research
FSHealth Ransomware
FSHealth is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- FSHealth
- First Seen
- March 1, 2023
How FSHealth Ransomware Works
Targeted Files
Full extenstion -> .[<ID{24}>][fshealth@outlookpro.net].locked
File Encryption Patterns
FSHealth modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..lockedRansom Note and Payment Demands
After encrypting files, FSHealth displays ransom notes demanding payment for file recovery:
How_to_decrypt_my_files.htmlRansom message:
notes/How_to_decrypt_my_files.html
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with FSHealth ransomware:
svchost.exesvchost.ex_
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About This Analysis
This FSHealth 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 FSHealth.
Last updated: July 30, 2025