Ransomware Research

YggLocked Ransomware

YggLocked is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2026, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
YggLocked
First Seen
March 1, 2026

How YggLocked ransomware works

File modification behavior

YggLocked updates file modification timestamps after encryption.

File encryption patterns

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

Extensions added after encryption
  • .locked

Ransom note and payment demands

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

fileREADME_RESTORE.txt
notes/README_RESTORE.txt

Technical indicators

Associated executable files

The following executable files are associated with YggLocked ransomware:

  • update.exe

About this analysis

This YggLocked 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 YggLocked.

Last updated: May 28, 2026

Detection coverage

Elastio detects YggLocked inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify YggLocked 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.