Ransomware Research
WsIR Ransomware
WsIR is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2022, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- WsIR
- First Seen
- April 1, 2022
How WsIR Ransomware Works
File Encryption Patterns
WsIR modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..WsIRRansom Note and Payment Demands
After encrypting files, WsIR displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note-message.txt
Note locations:
OnceOnCompletionTechnical Indicators
Associated Executable Files
The following executable files are associated with WsIR ransomware:
WsIR1.1(1).exe
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About This Analysis
This WsIR 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 WsIR.
Last updated: July 30, 2025