Ransomware Research

SilentAnonymous Ransomware

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

Quick Facts

Ransomware Family
SilentAnonymous
First Seen
January 1, 2024

How SilentAnonymous Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..SILENTATTACK

Ransom Note and Payment Demands

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

fileSilent_Anon.txt

Ransom message:

notes/Silent_Anon.txt

Note locations:

EveryFolder
screenshot

Ransom message:

notes/zq79ccxip.jpg

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with SilentAnonymous ransomware:

  • silent_attack.exe
  • darkred.exe

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About This Analysis

This SilentAnonymous 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 SilentAnonymous.

Last updated: October 30, 2025

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