Ransomware Research
Pr0tector Ransomware
Pr0tector is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Sorebrect.
Quick Facts
- Ransomware Family
- Pr0tector
- First Seen
- March 1, 2017
- Known Aliases
- Sorebrect
How Pr0tector Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
Pr0tector modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..pr0tectRansom Note and Payment Demands
After encrypting files, Pr0tector displays ransom notes demanding payment for file recovery:
READ ME ABOUT DECRYPTION.txtRansom message:
notes/READ ME ABOUT DECRYPTION.txt
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About This Analysis
This Pr0tector 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 Pr0tector.
Last updated: July 30, 2025