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
How RabboLock ransomware works
File encryption patterns
RabboLock modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, RabboLock displays ransom notes demanding payment for file recovery:
notes/LEES_MIJ.txt
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: December 30, 2025
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 scan against your recovery points to confirm.
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