Ransomware Research
Fake Sodinokibi Ransomware
Fake Sodinokibi is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2022, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Fake Sodinokibi
- First Seen
- February 1, 2022
How Fake Sodinokibi Ransomware Works
File Encryption Patterns
Fake Sodinokibi modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..4agrfsh5tx7./\.[a-z0-9]{11}$/Ransom Note and Payment Demands
After encrypting files, Fake Sodinokibi displays ransom notes demanding payment for file recovery:
/^[a-z0-9]{11}-HOW-TO-DECRYPT\.txt$/Ransom message:
notes/4agrfsh5tx7-HOW-TO-DECRYPT.txt
Note locations:
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About This Analysis
This Fake Sodinokibi 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 Fake Sodinokibi.
Last updated: July 30, 2025