VXUG Ransomware
VXUG is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2023, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Vx-underground.
Quick facts
How VXUG ransomware works
File encryption patterns
VXUG modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, VXUG displays ransom notes demanding payment for file recovery:
notes/Buy Black Mass Volume II.hta
notes/Buy Black Mass Volume I.txt
notes/how_to_decrypt.hta
Technical indicators
Associated executable files
The following executable files are associated with VXUG ransomware:
- AntiRecuvaAndDB.exe
About this analysis
This VXUG 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 VXUG.
Last updated: December 30, 2025
Elastio detects VXUG inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify VXUG 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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