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

File modification behavior

Ztax updates file modification timestamps after encryption.

File encryption patterns

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

Extensions added after encryption
  • .Ztax

Ransom note and payment demands

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

filemanual.txt
notes/manual.txt

Location: RootDiscs, Desktop

fileInfo.hta
notes/manual.txt

Location: StartUp, Roaming

Technical indicators

Associated executable files

The following executable files are associated with Ztax ransomware:

  • payload.exe

About this analysis

This Ztax 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 Ztax.

Last updated: October 23, 2024

Detection coverage

Elastio detects Ztax inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Ztax 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.