Ransomware Research

Janelle Ransomware

Janelle is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2021, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Janelle
First Seen
September 1, 2021

How Janelle Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..aes..aes.JANELLE

Ransom Note and Payment Demands

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

fileReadme.txt

Ransom message:

notes/Readme.txt

Note locations:

Desktop
fileindex.html

Ransom message:

notes/index.html

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with Janelle ransomware:

  • Click.exe
  • AmazonValidatorbyCodeX.exe

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About This Analysis

This Janelle 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 Janelle.

Last updated: October 30, 2025

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