Ransomware Research

Cronus Ransomware

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

Quick Facts

Ransomware Family
Cronus
First Seen
July 1, 2024

How Cronus Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

./\.[0-9a-zA-Z]{5}$/

Ransom Note and Payment Demands

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

filecronus.txt

Ransom message:

notes/cronus.txt

Note locations:

EveryFolder
screenshot

Ransom message:

notes/PhUAOckNL.jpg

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with Cronus ransomware:

  • p000.exe
  • cronus2.ttf

Elastio Can Help You

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About This Analysis

This Cronus 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 Cronus.

Last updated: July 30, 2025

Cronus Ransomware - Detectable by Elastio