Ransomware Research
Coom Ransomware
Coom is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Coom
- First Seen
- February 1, 2020
How Coom Ransomware Works
File Encryption Patterns
Coom modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..coomRansom Note and Payment Demands
After encrypting files, Coom displays ransom notes demanding payment for file recovery:
READ_IT.txtRansom message:
notes/READ_IT.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Coom ransomware:
EmailExtractor.execontract.scrSuper Email Validator.exe
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About This Analysis
This Coom 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 Coom.
Last updated: July 30, 2025