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

Targeted Files

Encrypts every 512kb (0x80000 bytes) leer.txt location -> AppData\Roaming

File Encryption Patterns

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

File 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

Ransom message:

notes/README-NOW.txt

Note locations:

EveryFolder
fileREAD-ME-NOW.txt

Ransom message:

notes/READ-ME-NOW.txt

Note locations:

RootDirectory
fileREADME_LOCKED.txt

Ransom message:

notes/README_LOCKED.txt

Note locations:

Desktop
fileleer.txt

Ransom message:

notes/leer.txt
fileCommand&Control.txt

Ransom message:

notes/Command&Control.txt

Technical Indicators

Associated Executable Files

The following executable files are associated with LockerGoga ransomware:

  • worker32
  • myfile.exe
  • bdf36127817413f625d2625d3133760af724d6ad2410bea7297ddc116abc268f_wQkb8SOVnc.bin
  • svch0st.4553.exe
  • svch0st.5817.exe
  • svch0st.11077.exe
  • svchub.16016.exe
  • pchgdage
  • hvwfcsky
  • hvwfcsky1377.bin - Kopya.exe
  • hvwfcsky1377.bin.exe
  • hvwfcsky8521.exe
  • yxugwjud4180.exe
  • yxugwjud
  • LockerGoga ransomware
  • LockerGoga
  • LockerGoga ransomware.exe
  • LockerGoga.exe
  • yxugwjud6698.exe
  • tgytutrc
  • tgytutrc4486.exe
  • tgytutrc3026.exe
  • tgytutrc7876.exe
  • tgytutrc3128.exe
  • tgytutrc2183.exe
  • tgytutrc2858.exe
  • tgytutrc8190.exe
  • tgytutrc850.exe
  • tgytutrc9489.exe
  • tgytutrc8025.exe
  • tgytutrc3842.exe
  • tgytutrc6216.exe
  • tgytutrc1068.exe
  • tgytutrc1758.exe
  • locker-goga-ransomware
  • tgytutrc9440.exe
  • LockerGoga.bin
  • c97d9bbc80b573bdeeda3812f4d00e5183493dd0d5805e2508728f65977dda15 (1)
  • tgytutrc7290.exe
  • zzbdrimp
  • zzbdrimp2939.exe
  • CryptoLocker
  • encrypt
  • a la papa.exe
  • updater.exe
  • Updater.exe
  • e0c23318-030e-4ae9-80f0-43e9bfd4759c

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About This Analysis

This LockerGoga ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like LockerGoga.

Last updated: July 30, 2025

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