Ransomware Research
BSS Ransomware
BSS is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2019, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- BSS
- First Seen
- January 1, 2019
How BSS Ransomware Works
File Encryption Patterns
BSS modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..bss_lockedRansom Note and Payment Demands
After encrypting files, BSS displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
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About This Analysis
This BSS 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 BSS.
Last updated: July 30, 2025