Never Ending Security

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theZoo – A repository of LIVE malwares for your own joy and pleasure


theZoo is a project created to make the possibility of malware analysis open and available to the public. Since we have found out that almost all versions of malware are very hard to come by in a way which will allow analysis we have decided to gather all of them for you in an available and safe way. theZoo was born by Yuval tisf Nativ and is now maintained by Shahak Shalev.

theZoo is open and welcoming visitors!


theZoo’s purpose is to allow the study of malware and enable people who are interested in malware analysis or maybe even as a part of their job to have access to live malware, analyse the ways they operate and maybe even enable advanced and savvy people to block specific malwares within their own environment.

Please remember that these are live and dangerous malware! They come encrypted and locked for a reason! Do NOT run them unless you are absolutely sure of what you are doing! They are to be used only for educational purposes (and we mean that!) !!!

We recommend running them in a VM which has no internet connection (or an internal virtual network if you must) and without guest additions or any equivalents. Some of them are worms and will automatically try to spread out. Running them unconstrained meaning the you will infect yourself or others with vicious and dangerous malwares!!!


theZoo – the most awesome free malware database on the air Copyright (C) 2015, Yuval Nativ, Lahad Ludar, 5fingers

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see

Documentation and Notes


theZoo’s objective is to offer a fast and easy way of retrieving malware samples and source code in an organized fashion in hopes of promoting malware research.

Root Files:

Since version 0.42 theZoo have been going dramatic changes. It now runs both CLI and ARGVS modes. You can call the program with the same command line arguments as before. The current default state of theZoo runtime is the CLI. The following files and directories are responsible for the application’s behaviour.


The conf folder holds files relevant to the particular running of the program but are not part of the application. You can find the EULA file in the conf and more.


Contains .py and .pyc import files used by the rest of the application


The actual malwares samples – be careful!


Malware source code :)

Directory Structure:

Each directory is composed of 4 files:

  • Malware files in an encrypted ZIP archive.
  • SHA256 sum of the 1st file.
  • MD5 sum of the 1st file.
  • Password file for the archive.

Structure of maldb.db

maldb.db is the DB which theZoo is acting upon to find malwares indexed on your drive. The structure is as follows:

  • UID – Determined based on the indexing process.
  • Location The location on the drive of the malware you have searched for.
  • Type – Sorts the different types of malware there are. So far we sort by: Virus, Trojans, Botnets, Ransomeware, Spyware
  • Name – Just the name of the malware.
  • Version – Nothing to say here as well.
  • Author – … I’m not that into documentation…
  • Programming Language – The state of the malware as for source, bin or which type of source. c/cpp/bin…
  • Date – See ‘Author’ section.
  • Architecture – The arch the platform was build for. Can be x86, x64, arm7….
  • Platform – Win32, Win64, *nix32, *nix64, iOS, android and so on.
  • Comments – Any comments there may be about the item.
  • Tags – Tags matching the item.

An example line will look as follow:


Bugs and Reports

The repository holding all files is currently

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