Ransomware Research
Qilin Ransomware
Qilin is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2024, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Qilin
- First Seen
- October 1, 2024
How Qilin Ransomware Works
Targeted Files
https://www.halcyon.ai/blog/new-qilin-b-ransomware-variant-boasts-enhanced-encryption-and-defense-evasion c:\Users\user\AppData\Roaming\
File Encryption Patterns
Qilin modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..gBBQsRxAcQ..jipRansom Note and Payment Demands
After encrypting files, Qilin displays ransom notes demanding payment for file recovery:
README.txtRansom message:
notes/README.txt
Note locations:
EveryFolderElastio Can Help You
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About This Analysis
This Qilin 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 Qilin.
Last updated: July 30, 2025