Ransomware Research
Proxima Ransomware
Proxima is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Proxima
- First Seen
- January 1, 2023
How Proxima Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
Proxima modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..ProximaRansom Note and Payment Demands
After encrypting files, Proxima displays ransom notes demanding payment for file recovery:
Proxima_Readme.txtRansom message:
notes/Proxima_Readme.txt
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About This Analysis
This Proxima 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 Proxima.
Last updated: July 30, 2025