Ransomware Research

Starcat Ransomware

Starcat 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
Starcat
First Seen
December 1, 2024

How Starcat Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..starcat

Ransom Note and Payment Demands

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

filerecover files,view here.txt

Ransom message:

notes/recover files,view here.txt

Note locations:

Desktop
filestar_cat.txt

Ransom message:

notes/star_cat.txt

Note locations:

RootDirectory
screenshot

Ransom message:

notes/temp.jpg

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with Starcat ransomware:

  • 2622375.exe
  • Starcatransomware.exe
  • jxmbcfgrcu.exe

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About This Analysis

This Starcat 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 Starcat.

Last updated: October 30, 2025

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