Ransomware Research

Zeus Ransomware

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

Quick Facts

Ransomware Family
Zeus
First Seen
December 1, 2024

How Zeus Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

./\.[0-9a-z]{4}$/

Ransom Note and Payment Demands

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

fileread_it.txt

Ransom message:

notes/read_it.txt

Note locations:

EveryFolder
screenshot

Ransom message:

notes/407w2qd8d.jpg

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with Zeus ransomware:

  • Zeus.exe
  • bmmyfk.exe
  • rftqdc.exe
  • wrobgk.exe
  • kztkcc.exe
  • svchost.exe

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About This Analysis

This Zeus 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 Zeus.

Last updated: July 30, 2025

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