Antivirus Software for Windows

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

  • Find out just how much your login box can do for your customer | Auth0 Icon
    Find out just how much your login box can do for your customer | Auth0

    With over 53 social login options, you can fast-track the signup and login experience for users.

    From improving customer experience through seamless sign-on to making MFA as easy as a click of a button – your login box must find the right balance between user convenience, privacy and security.
  • The Secure Workspace for Remote Work Icon
    The Secure Workspace for Remote Work

    Venn isolates and protects work from any personal use on the same computer, whether BYO or company issued.

    Venn is a secure workspace for remote work that isolates and protects work from any personal use on the same computer. Work lives in a secure local enclave that is company controlled, where all data is encrypted and access is managed. Within the enclave – visually indicated by the Blue Border around these applications – business activity is walled off from anything that happens on the personal side. As a result, work and personal uses can now safely coexist on the same computer.
  • 1
    Raspirus

    Raspirus

    A simple hash-based virus-scanner

    Introducing Raspirus, an innovative application designed to address the security concerns of working on offline computers without antivirus protection, particularly those shared among multiple users who frequently utilize personal USB devices for file transfers. By leveraging the power of Raspberry Pi, as well as Windows and other Linux systems, Raspirus provides a comprehensive solution. Through file scanning functionality, Raspirus intelligently examines each file on the USB key, efficiently computing their hashes and cross-referencing them with an extensive signature database to promptly alert users about potential threats, all while minimizing resource consumption on Raspberry Pi 3 devices.
    Downloads: 9 This Week
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  • 2
    Fiesta

    Fiesta

    Easy Antivirus

    Fast antivirus software
    Downloads: 4 This Week
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  • 3
    Shortcut Virus Removal Tool

    Shortcut Virus Removal Tool

    Simple USB Shortcut Virus Removal Tool for Windows

    Shortcut Virus Removal Tool Shortcut Virus Removal Tool is a simple program that cleans shortcut virus from the your removable drive. It's coded using C#. It does delete *.lnk files (shortcuts), it does delete the autorun.inf file and shows all files and folders the virus hided. This tool does not remove the virus running in the background. It does cleans the removable drive. If the shortcuts come back after cleaning with this tool, that could mean that your computer is infected. You need to run a scan with an antivirus/antimalware software. If the antivirus/antimalware does not clean the drive, you can use this tool to quickly do this. The tool does not require administrator rights in the most cases, but if it does not work, try running it as administrator. It requires .NET Framework 4.0 and Windows XP or later.
    Downloads: 2 This Week
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  • 4
    Robolinux

    Robolinux

    MAX Privacy with Robolinux R12.12

    All 3 Robolinux Desktop versions come with new login and grub boot splash screens & LibreWolf browser which has the highest privacy! LibreWolf is a fork of Firefox so you can use its data. The Legacy Bios isos only work in VM's & Non UEFI PC's. Don't miss 50% Off 12+ price only $59.95 Expires Sept 30 2024 The 12+ Sale details Robo UNTRACKER Custom Installer FREE! Save $40 FAAST Boot Custom Installer FREE! Save $40 Backdoor security Custom Installer FREE! Save $40 12 Advanced upgrades! Privacy App installers FREE! Stealth VM for FREE! Save $40 C Drive to VM for FREE! Save $40 The UNTRACKER makes you 100% anonymous on the internet so you can stop being tracked & traced by Evil Governments & Spy Agencies! All Robolinux R12 rolling realease Legacy BIOS & UEFI versions have the newest 5.15 Linux Kernel, compilers & software libraries & applications. Each rock solid R12 version has Long Term Support through 2025 Follower of YASHUA! John Martinson Robolinux.org
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    Downloads: 104 This Week
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  • AI-powered conversation intelligence software Icon
    AI-powered conversation intelligence software

    Unlock call analytics that provide actionable insights with our call tracking software, empowering you to identify what's working and what's not.

    Every customer interaction is vital to your business success and revenue growth. With Jiminny’s AI-powered conversation intelligence software, we take recording, capturing, and meticulous analysis of call recordings to the next level. Unlock call analytics that provide actionable insights with our call tracking software, empowering you to identify what's working and what's not. Seamlessly support your biggest objectives across the entire business landscape with our innovative call tracking system.
  • 5

    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: 168 This Week
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  • 6
    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: 14 This Week
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  • 7
    ComboFix

    ComboFix

    Scan for and remove malware and spyware

    Combofix is a freeware program that scans and removes malware and spyware from computers running Windows XP, Vista, 7, and 8. It was created by sUBs and is designed for advanced users. Combofix can remove malware that other products cannot. It backs up your registry hives, quarantines files, and creates a log of its actions.
    Downloads: 6 This Week
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  • 8
    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: 15 This Week
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  • 9

    Orca AntiVirus

    Orca antivirus for Windows PC, virus and malware cleaner

    Free antivirus for Windows PC, speeds up Windows PC and laptop. Orca antivirus is made to work on all versions of windows above Windows Vista and is capable of detecting viruses and malware. Orca antivirus does not offer any premium and is 100% free
    Downloads: 8 This Week
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  • Powerful small business accounting software Icon
    Powerful small business accounting software

    For small businesses looking for desktop accounting software

    With AccountEdge, business owners can organize, process, and report on their financial information so they can focus on their business. Features include: accounting, integrated payroll, sales and purchases, contact management, inventory tracking, time billing, and more.
  • 10
    phpMussel

    phpMussel

    PHP-based anti-virus anti-trojan anti-malware solution.

    A PHP script designed to detect trojans, viruses, malware and other threats within files uploaded to your system wherever the script is hooked, based on the signatures of ClamAV and others. Un PHP script pour la détection de virus, logiciels malveillants et autres menaces dans les fichiers téléchargés sur votre système partout où le script est accroché, basé sur les signatures de ClamAV et autres. Einem PHP-Script, um Trojaner, Viren, Malware und andere Bedrohungen in Dateien zu entdecken, die auf Ihr System hochgeladen werden könnten, welches die Signaturen von ClamAV und weitere nutzt. Uno PHP script progettato per la rilevazione di trojan, virus, malware e altre minacce all'interno di file caricati nel sistema ovunque lo script è collegato, basato su firme di ClamAV e altri.
    Downloads: 1 This Week
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  • 11

    Virus-Scan-And-More-VSAM-

    A short batch script that allows a user to scan their pc!

    This is a batch script that allows the user to scan their pc for may different things and much much more! I don't remember a lot about this but it should be able for the user to scan for viruses! (this uses windows defender to work)
    Downloads: 0 This Week
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  • 12
    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: 9 This Week
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  • 13
    messor-opencart

    messor-opencart

    Messor Security - IPS/WAF anti DDOS/bot and more for OpenCart3

    Messor Free open source extension for OpenCart to protect your store. Each network member collects intruders and attacks data and then sends it to central servers, as well as distributes the current database to the rest network participants. The current concept provides real-time protection of your store from the network attacks.
    Downloads: 0 This Week
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  • 14
    USB Shortcut VIRUS remover

    USB Shortcut VIRUS remover

    This simple program removes the shortcut virus from the USB.

    PS. this is not an antivirus !!! This simple program removes the shortcut virus from the USB. This will enable you to have access to the files without clicking on the shortcut icon (this silly one YES!!). You will have to follow these steps: 1- insert your infected USB storage device 2- record the USB drive letter (eg. E: F:) 3- open usb-shortcut-remover.hta file. 4- enter the device letter in the empty text field. 5- click the arrow next to the text field. 6- wait until it is done. 7- access your USB drive. you will find an unnamed folder. 8- access the unnamed folder, you will find all your files. Buy us coffee https://www.buymeacoffee.com/sewagecode
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    Downloads: 397 This Week
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  • 15
    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: 5 This Week
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  • 16
    Lumernite Antivirus

    Lumernite Antivirus

    A simple lightweight Antivirus for Windows Devices

    Downloads: 6 This Week
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  • 17
    SAVI-SAP is a shared library which links between Sophos Scan Interface SAVI and the SAP Virus Scan Interface (offical name: NW-VSI). A SAP application can use the Sophos engine to scan for malicious uploads in HTTP uploads for example.
    Downloads: 0 This Week
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  • 18
    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: 3,900 This Week
    Last Update:
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  • 19
    MultiAntivirus

    MultiAntivirus

    Antivirus and Security Suite for Windows

    Downloads: 0 This Week
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  • 20
    EG Free Antivirus

    EG Free Antivirus

    An open-source security software for Windows to protect from viruses.

    EG Free Antivirus is an open source antivirus software for Windows OS that uses ClamAV as an internal scanning engine for detecting trojans, viruses, malware & other malicious threats. For more information and full features, please visit official website egsoftweb.in
    Downloads: 1 This Week
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  • 21
    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: 2 This Week
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  • 22
    Windows Defender Central v0.5

    Windows Defender Central v0.5

    Windows Defender Central

    A very basic centralized management for Windows Defenders. It is in BETA state, but it is usable. It works only with Windows 10 Defenders. Updated the code: it is now compatible with build 2004 and it uses multithreading to query the machines. It uses PowerShell and SysInternalsSuite(PsExec.exe) to gather the information and it stores the data in a shared network drive (what the computers can access and have write access). It can store the data locally, if needed. What are the "computer name" background colors? -White: idle -Green: querying state -Pink: any other action besides querying -Red: one or more protections are disabled It can't show color on the highlighted row... What is planned? -to see the quarantine -delete from quarantine -whitelist from quarantine What else?
    Downloads: 0 This Week
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  • 23
    Treater Antivirus

    Treater Antivirus

    Cloud antivirus scanner based on machine detection

    Treater Anti-Virus is a free portable anti-virus on demand scanner which does not require the installation and updates of signatures. The application is able to detect and neutralize threats not found by the main protection program, such as Trojans, Ransomware, Worms, Dialers, Adware, Riskware, Pornware, SMS Blocks, etc. The utility does not require installation and can be launched from removable USB/CD drives as a "resuscitator" tool to unlock the computer. During the development, the interface requirements were taken into account, which has an intuitive structure and light colors in the Metro style. Different verification options By default, the antivirus program has the most possible settings and will scan all dangerous and critical system directories that are prone to infection. Unknown objects will be filtered out, and then they will be loaded into the cloud for further analysis. The analysis of the transferred files is carried out with our own original development "COGA"
    Downloads: 2 This Week
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  • 24
    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
    Downloads: 4 This Week
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  • 25
    sws secure assistant
    If you want to scan out the virus quickly, you can use the latest version of Sws Security Assistant, which provides you with the best way to scan the virus. The latest version of Sws Security Assistant allows you to have the best virus. Scanning mode allows you to have the best virus to scan and scan.It is an opensource virus scan,you can find it on github.
    Downloads: 0 This Week
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