Ransomware Research

ZeroLocker Ransomware

ZeroLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2014, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
ZeroLocker
First Seen
August 1, 2014

How ZeroLocker Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..encrypt

Ransom Note and Payment Demands

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

message

Ransom message:

notes/note.txt

Note locations:

Login

Technical Indicators

Associated Executable Files

The following executable files are associated with ZeroLocker ransomware:

  • Task Manager.exe
  • zero.exe
  • Zerolocker.exe
  • zerolocker.exe
  • Trojan.Ransom.ZeroLocker.exe
  • zerolocker
  • 588.json
  • binary
  • myfile.exe
  • zer.exe
  • juhu.exe
  • d8b81df4-24ed-468e-b076-1d4db6f6ce1f.d2
  • file-7309804_exe
  • 5.exe
  • WinUpd32.exe

Elastio Can Help You

Don't let ZeroLocker ransomware take over your data

Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.

Learn MoreRequest a Demo

About This Analysis

This ZeroLocker 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 ZeroLocker.

Last updated: October 30, 2025

Recent Ransomware

Explore other threats in our database

View all ransomware