Ransomware Research

LockerGoga Ransomware

LockerGoga is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2019, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Worker32.

Quick facts

Ransomware Family
LockerGoga
First Seen
January 1, 2019
Known Aliases
Worker32

How LockerGoga ransomware works

File encryption patterns

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

Extensions added after encryption
.locked

Ransom note and payment demands

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

fileREADME-NOW.txt
notes/README-NOW.txt
Location: EveryFolder
fileREAD-ME-NOW.txt
notes/READ-ME-NOW.txt
Location: RootDirectory
fileREADME_LOCKED.txt
notes/README_LOCKED.txt
Location: Desktop
fileleer.txt
notes/leer.txt
fileCommand&Control.txt
notes/Command&Control.txt

Technical indicators

Associated executable files

The following executable files are associated with LockerGoga ransomware:

About this analysis

This LockerGoga 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 LockerGoga.

Last updated: December 30, 2025

Detection coverage

Elastio detects LockerGoga inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify LockerGoga 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.

See How the Hunt Engine WorksRequest a Demo

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What is LockerGoga Ransomware? | Elastio