Ransomware Research

Ztax Ransomware

Ztax is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2024, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Ztax
First Seen
October 1, 2024

How Ztax Ransomware Works

Targeted Files

Full extension -> .id-C63F241F.[taxz@cock.li].Ztax

File Encryption Patterns

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

File extensions added after encryption:

..Ztax

Ransom Note and Payment Demands

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

filemanual.txt

Ransom message:

notes/manual.txt

Note locations:

RootDiscsDesktop
fileInfo.hta

Ransom message:

notes/manual.txt

Note locations:

StartUpRoaming

Technical Indicators

Associated Executable Files

The following executable files are associated with Ztax ransomware:

  • payload.exe

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About This Analysis

This Ztax 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 Ztax.

Last updated: July 30, 2025

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What is Ztax Ransomware? | Elastio