RobbinHood Ransomware
RobbinHood is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2019, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Enc_RobbinHood.
Quick facts
How RobbinHood ransomware works
File encryption patterns
RobbinHood modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, RobbinHood displays ransom notes demanding payment for file recovery:
Technical indicators
Associated executable files
The following executable files are associated with RobbinHood ransomware:
- RobinHood.exe
- robinhood.exe
- 0f9cda14-26cf-45aa-9eef-86a8aedb7cbb winlogon.exe BAD!.exe
- steel.exe
- Runtime_Service.exe
- robnr.sys
About this analysis
This RobbinHood 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 RobbinHood.
Last updated: December 30, 2025
Elastio detects RobbinHood inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify RobbinHood 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.
Recent ransomware
Explore other threats in our database