Ransomware Research
Horros Ransomware
Horros is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Horros
- First Seen
- April 1, 2018
How Horros Ransomware Works
File Encryption Patterns
Horros modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..horrosTechnical Indicators
Associated Executable Files
The following executable files are associated with Horros ransomware:
FileEncrypter.exemyfile.exe
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About This Analysis
This Horros 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 Horros.
Last updated: July 30, 2025