RagnarLocker Ransomware
RagnarLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: RagnarLocker 2.0, RagnarLocker Doxware, RagnarLocker NextGen.
Quick facts
How RagnarLocker ransomware works
File encryption patterns
RagnarLocker modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, RagnarLocker displays ransom notes demanding payment for file recovery:
notes/RGNR_B9355F59.txt
notes/!!!_READ_ME_623A4A83_!!!.txt
Technical indicators
Associated executable files
The following executable files are associated with RagnarLocker ransomware:
- uu94ctvp4f6TPpgoPS.exe
- o0j5mWgpcow7k2uQj05egTmZsPm.exe
- delq99j61FkgZTWpMioun7.exe
- VSERV.EXE
- malware.exe
- ransom1.eexe
- Ezb6GQGXGXYUaFY.exe
- Ragnar.exe
- true.bin
- 9yeblsbyyEUb7wRn1.exe
- FRSQK5LCWFef60L.exe
- VSD.EXE
- 001200000005379C_winscp.exe_sample.exe
- Sofreg.exe
- CWT_company_ragnar_locker.exe
- ragnar.exe
- ragnarlocker.exe
- sasas.bin.exe
About this analysis
This RagnarLocker 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 RagnarLocker.
Last updated: December 30, 2025
Elastio detects RagnarLocker inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify RagnarLocker 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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