Ransomware Research

Chenliuming Ransomware

Chenliuming is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2023, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Chenliuming
First Seen
April 1, 2023

How Chenliuming Ransomware Works

Targeted Files

Written in Visual Basic https://www.joesandbox.com/analysis/877232/0/html#deviceScreen

File Encryption Patterns

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

File extensions added after encryption:

./\.[a-z]{16}\b/

Ransom Note and Payment Demands

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

fileread_for_your_files.txt

Ransom message:

notes/read_for_your_files.txt

Note locations:

DesktopProgramData
fileread_for_your_files.ini

Ransom message:

notes/read_for_your_files.txt

Note locations:

RootDiscs
screenshot

Ransom message:

notes/1.bmp

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with Chenliuming ransomware:

  • g.exe
  • setup.bmp

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About This Analysis

This Chenliuming 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 Chenliuming.

Last updated: July 30, 2025

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