Antivirus Software for Linux

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Browse free open source Antivirus software and projects for Linux below. Use the toggles on the left to filter open source Antivirus software by OS, license, language, programming language, and project status.

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    Threshold-based alerts flag problems early, so your team can act before users notice, not after.

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  • 1
    ClamAV

    ClamAV

    Antivirus engine for detecting trojans, viruses and malware

    ClamAV is an open-source antivirus engine developed by Cisco Talos that provides cross-platform malware detection for servers, desktops, and mail systems. Originally designed for Unix environments and email security, it has evolved into a flexible antimalware toolkit capable of identifying millions of viruses, worms, trojans, and other threats. The software includes a command-line scanner, an automatically updating signature database, and a scalable multi-threaded daemon that enables high-performance scanning in production environments. ClamAV is widely used in mail gateways, file servers, and security pipelines because it can inspect compressed archives, common document formats, and executable files. Its bytecode signature system allows advanced detection logic while ensuring signatures are trusted and securely distributed.
    Downloads: 136 This Week
    Last Update:
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  • 2

    dex2jar

    Tools to work with android .dex and java .class files

    Mirrors: * https://bitbucket.org/pxb1988/dex2jar * https://github.com/pxb1988/dex2jar dex2jar contains following compment * dex-reader is designed to read the Dalvik Executable (.dex/.odex) format. It has a light weight API similar with ASM. * dex-translator is designed to do the convert job. It reads the dex instruction to dex-ir format, after some optimize, convert to ASM format. * dex-ir used by dex-translator, is designed to represent the dex instruction dex-tools tools to work with .class files. * d2j-smali disassemble dex to smali files and assemble dex from smali files. different implementation to smali/baksmali, same syntax, but we support escape in type desc "Lcom/dex2jar\t\u1234;" * dex-writer write dex same way as dex-reader.
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    Downloads: 913 This Week
    Last Update:
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  • 3

    Antivirus Live CD

    4MLinux fork including ClamAV scanner

    Antivirus Live CD is an official 4MLinux fork including the ClamAV scanner. It's designed for users who need a lightweight live CD, which will help them to protect their computers against viruses. Ethernet, WiFi, PPP and PPPoE are supported by Antivirus Live CD to enable automatic updates of its virus signature databases. All partitions are mounted during the boot process so that they can be scanned by ClamAV. The Antivirus Live CD ISO images are fully compatible with UNetbootin, which can be used to create an easy-to-use Antivirus Live USB.
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    Downloads: 183 This Week
    Last Update:
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  • 4
    c-icap is an implementation of an ICAP server. It can be used with HTTP proxies that support the ICAP protocol such as the Squid 3.x HTTP proxy server to implement content adaptation/filtering services.
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    Downloads: 225 This Week
    Last Update:
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  • 5
    Robolinux

    Robolinux

    Announcing Robolinux Cinnamon 14.1

    Announcing The New Robolinux Series 14 Mate LTS - 2034 Robolinux is very pleased to announce a completely new 14.1 Mate privacy centered 1inux operating system you can download freely while also offering our users an optional 14+ advanced upgrade which comes with our Untracker and FAAST Boot along with one click popular privacy software installers like Tor and I2p, Wireshark and Bleachbit plus many more for a fair and reasonable price. Robolinux14.1-Mate is ideal for beginners and advanced users. We are proud that it comes with Enoch AI which is TOTALLY 100% PRIVATE, FREE, HONEST & UNCENSORED built into Robolinux Cinnamon 14.1 The Robolinux 14.1 version with rock solid Long Term Support through 2034! requires users to set secure boot in their BIOS. It is currently available in the Cinnamon desktop flavor. we will release series 14 Xfce version in the next two months.For more information please see Readme file. Warmest regards John Martinson Robolinux.org
    Downloads: 28 This Week
    Last Update:
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  • 6
    ANDRAX Hacker's Platform

    ANDRAX Hacker's Platform

    Advanced Ethical Hacking and Penetration Testing Platform

    The most complete and Advanced Penetration Testing and Ethical Hacking Platform dedicated to Advanced Professionals. Developed to bring the power of Offensive Security in the anyone's pocket 100% OPEN SOURCE - ANDRAX is a independent solution for Security professionals who loves Linux
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    Downloads: 109 This Week
    Last Update:
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  • 7
    HOL Guard

    HOL Guard

    Open-source antivirus for AI agents

    HOL Guard is an open-source security layer designed to protect AI agents and their local tool ecosystems at runtime. It evaluates supported actions for secret exposure, prompt injection, unsafe commands, malicious packages, and risky MCP interactions. Safe operations can proceed automatically, while known threats are blocked and ambiguous actions can require human approval. The platform also examines plugins, skills, hooks, package installs, and agent configurations before they are trusted. It integrates with major coding agents including Claude Code, Codex, Cursor, Gemini CLI, OpenCode, and GitHub Copilot CLI. Local operation requires no cloud account, while optional cloud services add synchronized evidence, shared policies, fleet visibility, and team approvals.
    Downloads: 3 This Week
    Last Update:
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  • 8
    ClamTk
    ClamTk is a graphical interface for Clam Antivirus. It is designed to be an easy-to-use, lightweight, on-demand desktop virus scanner for Linux.
    Downloads: 15 This Week
    Last Update:
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  • 9
    Shortcut Virus Remover

    Shortcut Virus Remover

    Sample and fast software to remove Shortcut Virus

    Shortcut Virus Remover is an easy to use application, capable of detecting the presence of the Shortcut threat. The software can easily fix the damage done by the virus, thus restoring all the icons in the selected drive. The application is lightweight and requires only that you select the drive you wish to clean.
    Downloads: 9 This Week
    Last Update:
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  • 10
    ClamSAP exists of two 'C' shared libraries which link between ClamAV and the Virus Scan Interface (VSI) of SAP (offical name: NW-VSI). A SAP application can use the ClamAV engine to scan for malicious uploads in HTTP uploads for example.
    Downloads: 7 This Week
    Last Update:
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  • 11
    Pendisk Cleaner

    Pendisk Cleaner

    Remove Viruses Found On Pendrives Like The Shortcut Virus

    remove viruses found on pendrives like the shortcut virus udaravideo.exe and other viruses that anti virus softwares does not detect...
    Downloads: 4 This Week
    Last Update:
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  • 12
    Fiesta

    Fiesta

    Easy Antivirus

    Fast antivirus software
    Downloads: 3 This Week
    Last Update:
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  • 13
    LSG - Linux SecureGuard

    LSG - Linux SecureGuard

    Professional antivirus solution developed for Linux systems.

    Professional antivirus solution developed for Linux systems. Protects your Linux servers and desktop systems with real-time protection, network security and advanced threat detection features.
    Downloads: 3 This Week
    Last Update:
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  • 14
    php-clamav
    PHP ClamAV - ClamAV Interface for PHP5 Scripts PHP-ClamAV is a PHP5 extension that allows to incorporate virus scanning features on your PHP5 scripts. It uses the Clam AV API for virus scanning.
    Downloads: 1 This Week
    Last Update:
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  • 15
    USB Paranoiac

    USB Paranoiac

    USB Security Scanner on Linux

    This program allows you to examine suspicious USB storage devices before plugging them into your Windows computer. This is not an antivirus; it does not have heuristic or automatic detection-cleanup features. Just so you know, executable files are worth your attention. You decide whether they're dangerous or not. https://github.com/shampuan/USB-Paranoiac
    Downloads: 1 This Week
    Last Update:
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  • 16
    AdwCleaner
    AdwCleaner is a free tool that will scan your computer and efficiently removes Adware (ads softwares), PUP/LPI (Potentially Undesirable Program), Toolbars, Hijacker (Hijack of the browser's homepage). It also features anti adware host that will help to prevent advertising software from installing on your machine. It works with a Search and Delete mode. It can be easily uninstalled using the mode "Uninstall". AdwCleaner is now part of the Malwarebytes family. We at Malwarebytes are big fans too. That's why we've asked Jerome Boursier, Corentin Chepeau, and the rest of the AdwCleaner team to join us. We're now working together to make a malware-free existence a reality for everyone. Don't worry--we will maintain, support, and keep AdwCleaner free for everyone. We believe in its mission, and will be integrating its technology into Malwarebytes products in the future. Learn more about the acquisition.
    Downloads: 2 This Week
    Last Update:
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  • 17
    Gian Virus Defender 9.1
    A powerful OpenSource Antivirus for your PC, includes: context menu extension, system cleaner, Tray Menu Mode, Integrated GUI, Fast Scanner, Real-Time Virus Remover, Autorun.inf Removal and Registry Virus Remover., system configuration, secured file
    Downloads: 2 This Week
    Last Update:
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  • 18
    This project is made with batch scripting. This tool is a virus removal tool that has many tools that are freeware and not open source in it but for obvious reasons why it's not. It also has a scanning feature have many viruses and Malware.
    Downloads: 2 This Week
    Last Update:
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  • 19
    Defa Protect HTML5 Video From Download

    Defa Protect HTML5 Video From Download

    Prevent and Protect Your HTML5 Video, Music , Audio From Download Free

    Defa Protector is A Simple PHP and Wordpress Plugin To Protect and Prevent Video Save As From Browser and Some Video Grabber. There is 100% Guaranteed Protection and There might be some tradeoff but If you care about Digital Rights Management of Your Video and Music Content. This Project is for you. Defa Protector 6.7.1 Revamp Code For Better Performance To The Bone. We almost rewritten this project from scratch.
    Downloads: 1 This Week
    Last Update:
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  • 20

    Secure Home

    Project to protect important files and config files/directories

    Project to protect important files, such like ~/.profile, directories, like ~/bin and secret files. Also, it could be use to share files on the same computer.
    Downloads: 1 This Week
    Last Update:
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  • 21
    BypassHash

    BypassHash

    This tool downloads an executable and bypasses hash-based virus checks

    This tool downloads an executable, ELF (Linux) and PE (Windows), modify metadata to bypasses hash-based virus checks and protect against identification with metadata (like rich headers, timestamps, ...).
    Downloads: 0 This Week
    Last Update:
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  • 22
    A Bash script for downloading and installing additional Clamav definition files.
    Downloads: 0 This Week
    Last Update:
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  • 23
    Clam AntiVirus Client Library provides a simple API to the ClamAV daemon. ClamAVC does not require ClamAV to be installed. ClamAVC communicates with clamd using clamd's documented protocol using either TCP or a local Unix domain socket.
    Downloads: 0 This Week
    Last Update:
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  • 24
    The clamav-unofficial-sigs script provides a simple way to download, test, and update third-party signature databases provided by Sanesecurity, SecuriteInfo, MalwarePatrol, OITC, etc. The package also contains cron, logrotate, and man files.
    Downloads: 0 This Week
    Last Update:
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  • 25
    CyberDemon is highly experimental prototype of the antivirus engine and is based on a new model of artificial neuron (cyberneuron).
    Downloads: 0 This Week
    Last Update:
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