Ransomware Research

ZZART3XX Ransomware

ZZART3XX is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2024, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
ZZART3XX
First Seen
February 1, 2024

How ZZART3XX ransomware works

File modification behavior

ZZART3XX updates file modification timestamps after encryption.

File encryption patterns

ZZART3XX modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • .EzByZZART3XX
  • .shadowcrypt

Ransom note and payment demands

After encrypting files, ZZART3XX displays ransom notes demanding payment for file recovery:

fileOpen.txt
notes/Open.txt

Location: EveryFolder

fileReadMe.txt
notes/ReadMe.txt

Location: Desktop

screenshot
notes/60yfgeree.jpg

Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with ZZART3XX ransomware:

  • FL Studio 2024.exe
  • svchost.exe

About this analysis

This ZZART3XX 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 ZZART3XX.

Last updated: July 15, 2026

Detection coverage

Elastio detects ZZART3XX inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify ZZART3XX 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.