Browse free open source Antivirus software and projects 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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  • 1
    ClamWin

    ClamWin

    Antivirus software with virus scanning and virus definition updates

    Looking for free Open Source Antivirus for Windows? Download ClamWin Free Antivirus and get free virus scanning and free virus definition updates. Free Antivirus software for Windows, using the well-respected ClamAV scanning engine. Includes virus scanner, scheduler, virus database updates, context menu integration to MS Windows Explorer and Add-in to MS Outlook. Also features easy setup program.
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    Downloads: 2,468 This Week
    Last Update:
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  • 2
    Shortcut Virus Removal Tool

    Shortcut Virus Removal Tool

    Powerful and Easy to Use USB Shortcut Virus Removal Tool for Windows

    Shortcut Virus Removal Tool Shortcut Virus Removal Tool is a powerful, portable, easy to use and safe program for fixing USB drives, external HDD / SSD drives and computers infected with shortcut virus. With only one click, you can remove shortcut virus from your computer and USB disk drive. It can restore files hidden by a virus and remove suspicious shortcuts and files from your USB drive and computer. It can repair registry and undo unwanted changes made by malware. It can also delete autorun virus from your USB drive. It has a very simple interface. You just have to select your USB drive from list and click Clean button. If the tool does not work, please right click and "Run as Administrator." The tool currently supports three languages: English, German and Turkish. This tool requires .NET Framework 4.0 and Windows XP or later.
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    Downloads: 1,040 This Week
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  • 3

    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: 270 This Week
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  • 4
    Clam sentinel is a program that detects file system changes and automatically scans the files added or modified using ClamWin. Require the installation of ClamWin. For Microsoft Windows 98/98SE/Me/2000/XP/Vista, Windows 7 and Windows 8.1.
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    Downloads: 174 This Week
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    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: 296 This Week
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  • 6

    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: 219 This Week
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  • 7
    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
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    Downloads: 94 This Week
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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: 53 This Week
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  • 9
    A tool to block viruses in USB flash/disk from auto-running. When a USB disk is inserted, this tool not only locks the "autorun.inf" file, but also locks all the autorun-related virus and other suspicious files.
    Downloads: 26 This Week
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  • 10
    CyberGod KSGMPRH

    CyberGod KSGMPRH

    Open-Source antivirus for Windows

    This is an effective tool which is capable of detecting thousands and thousands of malware in your PC, including the shortcut virus to nasty ransomware, The database is regularly updated. See the video for how to use this tool. Version: 1.3 MD5: 707D4BE2AA4547A542A7EEFDB7BC4C4D SHA-1: 899B80928DF59C5745B56480DAA6A51E7F65CB18A4 Source code MD5: 38B3A08D62E7ADD2EE30FCA375207499 IMPORTANT: =========== FULL VERSION : https://sourceforge.net/projects/cybergod-ksgmprh/ NOTE: ===== If this tool has helped you consider supporting it please http://bit.ly/supportCyberGodKSGMPRH via paypal http://bit.ly/CyberGodSecurityDonate
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    Downloads: 16 This Week
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  • 11
    RogueKiller

    RogueKiller

    The next generation virus killer. Remove unknown malware

    The next generation virus killer. Remove unknown malware, stay protected. Free virus cleaner for everyone. Thanks to its powerful engine RogueKiller is able to find known and unknown malware, of all kind. Search and clean viruses, ransomware, trojans and other malware. Powered with innovative Artificial Intelligence and Cloud signatures engine, RogueKiller is the best virus removal tool. Try our free virus cleaner now for free ! RogueKiller antimalware software is shipped with state-of-the-art malware protection. The real time protection stops infected programs before they execute. Don't let malicious software setup, stop them before they do harmful actions! Protect your important documents against corruption and theft. With the increasing threat of Ransomware, it's very important to keep your documents secured. Don't be the next victim of a thousand dollars ransom, turn RogueKiller anti ransomware protection on!
    Downloads: 68 This Week
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  • 12
    Spybot Search and Destroy

    Spybot Search and Destroy

    Protect your computer against malware

    Spybot - Search & Destroy is an anti-spyware and privacy protection tool that has been providing quality security solutions since the early 2000's. Spybot S&D provides complete anti-malware and anti-spyware protection as the System Scan aims to detect and remove all kinds of threats from your Windows PC. These include Adware, Spyware, Trojans and many more. Spybot's Immunization feature keeps you safe online by preventing access to malicious sites and blocks tracking cookies. Spybots Forensics Detectives are constantly on the look out for the latest forms of malware and continuly adding new detection rules.
    Downloads: 38 This Week
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  • 13
    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: 32 This Week
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  • 14
    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: 30 This Week
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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: 6 This Week
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  • 16
    HydraDragonAntivirus

    HydraDragonAntivirus

    Dynamic and static analysis with Sandboxie for Windows, including EDR

    Dynamic and static analysis with Sandboxie for Windows, including EDR, ClamAV, YARA-X, custom machine learning AI, behavioral analysis, NLP-based detection, website signatures, Ghidra, Suricata, Sigma, and much more than you can imagine
    Downloads: 17 This Week
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  • 17
    clamwin portable

    clamwin portable

    portable zipped version of the free and open source antivirus ClamWin

    portable zipped version of the free and open source antivirus ClamWin. ClamWin is a Free Antivirus program for Microsoft Windows 10 / 8 / 7 / Vista / XP / Me / 2000 / 98 and Windows Server 2012, 2008 and 2003. ClamWin Free Antivirus is used by more than 600,000 users worldwide on a daily basis. It comes with an easy installer and open source code. You may download and use it absolutely free of charge. Just unzip and run \bin\ClamWin.exe http://www.clamwin.com https://sourceforge.net/projects/clamwin
    Downloads: 16 This Week
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  • 18
    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: 12 This Week
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  • 19
    EG ClamNet Antivirus

    EG ClamNet Antivirus

    A simple antivirus that provide a graphical interface for ClamAV

    EG ClamNet Antivirus provides a graphical user interface for ClamAV Executables. EG ClamNet antivirus is simple and user friendly antivirus (currently for Windows OS ) that uses ClamAV as an internal scanning engine to detect trojans, viruses, malware and other known malicious threats. It can be installed on the existing default windows antivirus (Windows Defender) and compatible with it as extra protection. 1) Antivirus & Internet Security: EG ClamNet Antivirus is powered by ClamAV which has fast scanning, detects over 9 millions viruses, malware, worms and trozens. It also protects from MS Office macro viruses, mobile malware, other threats (including known ransomware). 2) Cleaner: EG ClamNet Antivirus has an additional feature of effective cleaning of junk files. With this feature you can optimize your system, increase memory space and system speed by cleaning junk files. Cleaning such junk files improves your system's security and speed-up your system.
    Downloads: 11 This Week
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  • 20
    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: 9 This Week
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  • 21
    Removes most common pen drive viruses such as autorun.inf, new folder.exe, bha.vbs, ravmon.exe, etc.....
    Downloads: 9 This Week
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  • 22
    Cleanzone AntiVirus

    Cleanzone AntiVirus

    Cleanzone is a beta-stage antivirus offering multi-layered protection

    CleanZone is an advanced antivirus solution designed to provide multi-layered protection for your device. It offers real-time scanning, heuristic detection to identify emerging threats, USB protection, and customizable security features. With its comprehensive approach, CleanZone ensures your device is safeguarded against viruses, malware, phishing attacks, and other online threats, providing peace of mind and optimal performance for all your computing needs.
    Downloads: 9 This Week
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  • 23
    ClamSentinel Portable

    ClamSentinel Portable

    ClamSentinel Portable is a real-time scanner for ClamWin Portable

    Original author: Andrea Russo and Robert Scroggins ClamSentinel Portable is ClamSentinel, configured and launched according to the PortableApps.com Format. It uses ClamWin's virus database, so ClamWin is required. If you have ClamSentielPortable next to ClamWinPortable, then ClamSentinel will detect ClamWin's database. For example, if ClamSentinelPortable is installed in folder A (/A/ClamSentinelPortable/App,etc) and ClamWinPortable is also in folder A (/A/ClamWinPortable/App,etc), then it will detect it.
    Downloads: 7 This Week
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  • 24
    An open source browser with antivirus, system cleaning, file folder locking, social networking, movie viewing, chatting and parental website block features.
    Downloads: 8 This Week
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  • 25
    ClamGuard

    ClamGuard

    Free and opensource antivirus solution based on ClamAV.

    Free and opensource antivirus solution based on ClamAV. Fully written in Python using PySide6. Source code hosted on GitHub at https://github.com/5trange/ClamGuard Linux packages coming soon.
    Downloads: 6 This Week
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