Ransomware Research
blackZluk Ransomware
blackZluk is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2024, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- blackZluk
- First Seen
- September 1, 2024
How blackZluk Ransomware Works
File Encryption Patterns
blackZluk modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..blackZlukRansom Note and Payment Demands
After encrypting files, blackZluk displays ransom notes demanding payment for file recovery:
#RECOVERY#.txtRansom message:
notes/#RECOVERY#.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with blackZluk ransomware:
ff9b155b365dd09203582cdc96cfed50N.exeencryptor.exe
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About This Analysis
This blackZluk 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 blackZluk.
Last updated: July 30, 2025