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