Ransomware Research
Sirattacker Ransomware
Sirattacker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Sirattacker
- First Seen
- February 1, 2023
How Sirattacker Ransomware Works
File Encryption Patterns
Sirattacker modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./\.[a-z\d]{4}$/Ransom Note and Payment Demands
After encrypting files, Sirattacker displays ransom notes demanding payment for file recovery:
How to Recovery.batRansom message:
notes/How to Recovery.bat
Note locations:
EveryFolderRansom message:
notes/blf1rsw3f.jpg
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Sirattacker ransomware:
ETH 200.exesvchost.exefile.exe
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About This Analysis
This Sirattacker 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 Sirattacker.
Last updated: July 30, 2025