Dx31 Ransomware
Dx31 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2024, this ransomware has been actively targeting systems worldwide.
Quick facts
How Dx31 ransomware works
File encryption patterns
Dx31 modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Dx31 displays ransom notes demanding payment for file recovery:
notes/info.txt
notes/info.hta
Technical indicators
Associated executable files
The following executable files are associated with Dx31 ransomware:
- BackupService.exe
About this analysis
This Dx31 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 Dx31.
Last updated: December 30, 2025
Elastio detects Dx31 inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Dx31 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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