Ransomware Research

Reetner Ransomware

Reetner is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2017, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Reetner
First Seen
June 1, 2017

How Reetner Ransomware Works

Ransom Note and Payment Demands

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

fileUnlock_My_Files.html

Ransom message:

notes/Unlock_My_Files.html

Note locations:

UserFolders
screenshot

Ransom message:

notes/wallpaper.bmp

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with Reetner ransomware:

  • Noter.exe

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About This Analysis

This Reetner 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 Reetner.

Last updated: October 30, 2025

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What is Reetner Ransomware? | Elastio