Ransomware Research
RansomHOS Ransomware
RansomHOS is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- RansomHOS
- First Seen
- August 1, 2017
How RansomHOS Ransomware Works
Targeted Files
Base64 encoded cc6e58cb6f5e0841b9eb501c9ffc8b9c025b55c5596e31480934c60475df7f6b -> doesnt change filenames
File Encryption Patterns
RansomHOS modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..hosRansom Note and Payment Demands
After encrypting files, RansomHOS displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletionTechnical Indicators
Associated Executable Files
The following executable files are associated with RansomHOS ransomware:
ENCODE.exe랜섬호스.exe랜섬호스.exe
Elastio Can Help You
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About This Analysis
This RansomHOS 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 RansomHOS.
Last updated: July 30, 2025