Ransomware Research
Attack Ransomware
Attack 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
- Attack
- First Seen
- April 1, 2023
How Attack Ransomware Works
Targeted Files
Stripes encryption (every 0x2000 bytes)
File Encryption Patterns
Attack modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..attack7Ransom Note and Payment Demands
After encrypting files, Attack displays ransom notes demanding payment for file recovery:
how_to_back_files.htmlRansom message:
notes/how_to_back_files.html
Note locations:
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About This Analysis
This Attack 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 Attack.
Last updated: July 30, 2025