Ransomware Research
FBLocker Ransomware
FBLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- FBLocker
- First Seen
- May 1, 2018
How FBLocker Ransomware Works
File Encryption Patterns
FBLocker modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..facebookRansom Note and Payment Demands
After encrypting files, FBLocker 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 FBLocker ransomware:
svchost.exemyfile.exeFBLocker.exesvchost.exe.bin
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About This Analysis
This FBLocker 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 FBLocker.
Last updated: July 30, 2025