Ransomware Research
Styver Ransomware
Styver is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Styver
- First Seen
- February 1, 2018
How Styver Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
Styver modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..styverRansom Note and Payment Demands
After encrypting files, Styver displays ransom notes demanding payment for file recovery:
HELP ME PLS.txtRansom message:
notes/HELP ME PLS.txt
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About This Analysis
This Styver 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 Styver.
Last updated: July 30, 2025