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

File modification behavior

How Pr0tector alters file modification timestamps is not known.

File encryption patterns

Pr0tector modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • .pr0tect

Ransom note and payment demands

After encrypting files, Pr0tector displays ransom notes demanding payment for file recovery:

fileREAD ME ABOUT DECRYPTION.txt
notes/READ ME ABOUT DECRYPTION.txt

About this analysis

This Pr0tector ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like Pr0tector.

Last updated: April 20, 2023

Detection coverage

Elastio detects Pr0tector inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Pr0tector across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.