Ransomware Research

Pojie Ransomware

Pojie is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2020, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Pojie
First Seen
July 1, 2020

How Pojie Ransomware Works

Targeted Files

Ransom note name -> 52pojie-DECRYPT----{time_stamp}.txt

File Encryption Patterns

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

File extensions added after encryption:

..52pojie..itunes

Ransom Note and Payment Demands

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

file/^52pojie-DECRYPT----[0-9]{13}\.txt$/

Ransom message:

notes/52pojie-DECRYPT----1667527732511.txt

Note locations:

EveryFolder
file/^itunes-DECRYPT----[0-9]{13}\.txt$/

Ransom message:

notes/itunes-DECRYPT----1629448014845.txt

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with Pojie ransomware:

  • csrsse.exe
  • 1.jpg
  • itunes.exe
  • CQA.exe

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About This Analysis

This Pojie 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 Pojie.

Last updated: July 30, 2025

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