Ransomware Research

RabboLock Ransomware

RabboLock 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. Security researchers also track this malware under the aliases: R4bb0l0ck, RabboLock Dutch.

Quick facts

Ransomware Family
RabboLock
First Seen
June 1, 2017
Known Aliases
  • R4bb0l0ck
  • RabboLock Dutch

How RabboLock ransomware works

File modification behavior

RabboLock updates file modification timestamps after encryption.

File encryption patterns

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

Extensions added after encryption
  • .R4bb0l0ck

Ransom note and payment demands

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

fileLEES_MIJ.txt
notes/LEES_MIJ.txt

Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with RabboLock ransomware:

  • hidden-tear.exe
  • R4bb0l0ck Ransomware.exe
  • HiddenTear.exe
  • R4bb0l0ck Ransomware.bin
  • R4bb0l0ck.exe
  • RabboLock.exe

About this analysis

This RabboLock 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 RabboLock.

Last updated: April 25, 2023

Detection coverage

Elastio detects RabboLock inside your data and backups.

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