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
How Attackuk ransomware works
File encryption patterns
Attackuk modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Attackuk displays ransom notes demanding payment for file recovery:
notes/How_to_back_files.html
Technical indicators
Associated executable files
The following executable files are associated with Attackuk ransomware:
- y47.exe
About this analysis
This Attackuk ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like Attackuk.
Last updated: December 30, 2025
Elastio detects Attackuk inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Attackuk across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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