Ransomware Research
Attackuk Ransomware
Attackuk is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Attackuk
- First Seen
- April 1, 2023
How Attackuk Ransomware Works
File Encryption Patterns
Attackuk modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..attackukRansom Note and Payment Demands
After encrypting files, Attackuk displays ransom notes demanding payment for file recovery:
How_to_back_files.htmlRansom message:
notes/How_to_back_files.html
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Attackuk ransomware:
y47.exe
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About This Analysis
This Attackuk 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 Attackuk.
Last updated: July 30, 2025