Ransomware Research

Bad Rabbit Ransomware

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

Quick facts

Ransomware Family
Bad Rabbit
First Seen
October 1, 2017

Ransom note and payment demands

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

fileREADME.txt
notes/README.txt
Location: EveryFolder
message
notes/note.txt
Location: Boot

Technical indicators

Associated executable files

The following executable files are associated with Bad Rabbit ransomware:

About this analysis

This Bad Rabbit ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like Bad Rabbit.

Last updated: December 30, 2025

Detection coverage

Elastio detects Bad Rabbit inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Bad Rabbit across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.

See How the Hunt Engine WorksRequest a Demo

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