Ransomware Research

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

Ransomware Family
Dx31
First Seen
January 1, 2024

How Dx31 ransomware works

File modification behavior

Dx31 updates file modification timestamps after encryption.

File encryption patterns

Dx31 modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • .dx31

Ransom note and payment demands

After encrypting files, Dx31 displays ransom notes demanding payment for file recovery:

fileinfo.txt
notes/info.txt

Location: RootDiscs, Desktop

fileinfo.hta
notes/info.hta

Location: RootDiscs, Desktop

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: February 8, 2024

Detection coverage

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 hunt against your recovery points to confirm.