Ransomware Research

Bluerose Ransomware

Bluerose is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2019, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Bluerose
First Seen
December 1, 2019

How Bluerose Ransomware Works

Ransom Note and Payment Demands

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

filebrehrose.txt

Ransom message:

notes/brehrose.txt
screenshot

Ransom message:

notes/brehrose.png

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with Bluerose ransomware:

  • Virus Rat v7.0.exe
  • vt-upload-iBTvf
  • file-5437735_exe
  • bluerose_virus.exe
  • BlueroseVirus.exe

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About This Analysis

This Bluerose 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 Bluerose.

Last updated: September 30, 2025

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