Ransomware Research

0XXX Ransomware

0XXX is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2021, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
0XXX
First Seen
June 1, 2021

How 0XXX ransomware works

File modification behavior

How 0XXX alters file modification timestamps is not known.

File encryption patterns

0XXX modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • .0xxx

Ransom note and payment demands

After encrypting files, 0XXX displays ransom notes demanding payment for file recovery:

file!0XXX_DECRYPTION_README.TXT
notes/!0XXX_DECRYPTION_README.TXT

About this analysis

This 0XXX 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 0XXX.

Last updated: August 25, 2022

Detection coverage

Elastio detects 0XXX inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify 0XXX 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.