Ransomware Research
Protect3 Ransomware
Protect3 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Protect3
- First Seen
- July 1, 2023
How Protect3 Ransomware Works
File Encryption Patterns
Protect3 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..protect3Ransom Note and Payment Demands
After encrypting files, Protect3 displays ransom notes demanding payment for file recovery:
How_to_back_files.htmlRansom message:
notes/How_to_back_files.html
Note locations:
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About This Analysis
This Protect3 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 Protect3.
Last updated: July 30, 2025