Open Source Antivirus Software
Sort By:
Antivirus Software
View 154 business solutionsBrowse 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.
-
$300 Free Credits for Your Google Cloud ProjectsLaunch your next project with $300 in free Google Cloud credits—no strings attached. Test, build, and deploy without risk. Use your credits across the entire Google Cloud platform to find what works best for your needs. After your credits are used, continue with always-free tier services. Only pay when you're ready to scale. Sign up in minutes and start exploring.
-
Stop vibe-debugging.AppSignal's MCP server hands Claude, Cursor, or Zed your real errors, traces, and the deploy that shipped them. AI writes the fix; you review the diff.
-
1
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. -
2
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. -
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. -
4
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. -
Secure File Transfer for Windows with Cerberus by RedwoodCerberus supports unlimited users and connections on a single IP, with built-in encryption, 2FA, and a browser-based web client — all deployable in under 15 minutes with a 25-day free trial.
-
5
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.
-
6
Shortcut Virus Removal Tool
Powerful and Easy to Use USB Shortcut Virus Removal Tool for Windows
Shortcut Virus Removal Tool (SVRT) 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 five different languages: English, German, Turkish, Arabic and Indonesian. This tool requires .NET Framework 4.0 and Windows XP or later. -
7
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.
-
8
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 -
9
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 -
Our Free Plans just got better! | Auth0You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
-
10
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.
-
11
-
12
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.
-
13
Thunderbird Anti Virus v4.11
Thunderbird Anti Virus Free Scanner v4.11
Thunderbird Anti-Virus v4.11: Enhanced Security & Performance Experience even greater peace of mind with Thunderbird Anti-Virus v4.11. Building on the robust foundation of our v4 series, this update introduces refined detection capabilities and deeper system optimization. Version 4.11 features an upgraded scanning core that delivers faster performance and more precise identification of modern cyber threats, ensuring your device remains shielded without compromising system speed. Key Features: Real-Time Protection: Enhanced, low-impact monitoring for faster threat neutralization. Intelligent Scanning: Improved heuristic engines for superior Zero-Day threat detection. Deep System Optimization: Optimized tools for thorough registry cleaning and intelligent cache management for maximum speed. Streamlined Interface: Refined, user-centric design for seamless security control. -
14
Thunderbird Anti Virus v4.3
Thunderbird Anti Virus Free Scanner v4.3
Thunderbird Anti-Virus v4.3: Quantum Defense & Ultra-Streamlined Operations Lock down your system with the cutting-edge defense of Thunderbird Anti-Virus v4.3. Combining adaptive AI security protocols with aggressive optimization tools, version 4.3 ensures absolute system integrity without forcing you to sacrifice a single frame of performance. This landmark update introduces a hyper-velocity defense matrix engineered to neutralize zero-day exploits instantly while keeping your environment lightweight, agile, and completely fortified. Engine Capabilities: Predictive Threat Intercept: A seamless, zero-footprint scanner backed by an upgraded cloud firewall to block sophisticated malware and network intrusions on the fly. Multi-Tiered Diagnostics: Instant flexibility with specialized scanning pipelines for active memory tracking, rapid checks, or comprehensive drive-wide audits. -
15
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! -
16
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. -
17
Thunderbird Anti Virus v4.2
Thunderbird Anti Virus Free Scanner v4.2
Thunderbird Anti-Virus v4.2: Next-Gen Guard & Hyper-Velocity Optimization Lock down your system with the cutting-edge defense of Thunderbird Anti-Virus v4.2. Combining lethal AI security protocols with aggressive optimization tools, version 4.2 ensures absolute system integrity without forcing you to sacrifice a single frame of performance. This landmark update brings an automated real-time defense matrix designed to intercept zero-day exploits instantly, keeping your environment lightweight, clean, and completely fortified. Engine Capabilities: Autonomous Threat Intercept: A seamless, zero-footprint scanner backed by an integrated firewall to block emerging malware and network intrusions on the fly. Multi-Tiered Diagnostics: Instant flexibility with specialized scanning pipelines for active memory tracking, rapid checks, or comprehensive drive-wide audits. -
18
Removes most common pen drive viruses such as autorun.inf, new folder.exe, bha.vbs, ravmon.exe, etc.....
-
19
optiSCAN
Scanner antivirus gratuit (ClamAV + YARA) pour Windows
🛡️ optiSCAN — Antivirus gratuit pour Windows 10/11 Scanner antivirus combinant ClamAV (GPL-2.0) et les règles YARA-Forge pour détecter virus, malwares et comportements suspects. Interface Material Design, entièrement en français. Fonctionnalités : - Analyse à la demande — fichiers, dossiers ou disque entier - Clic droit dans l'Explorateur Windows pour scanner instantanément - Mise en quarantaine et nettoyage des menaces - Mises à jour automatiques des signatures ClamAV et YARA - Ajouter le dossier optiSCAN manuellement comme exclu de l'analyse après installation - Export PDF des rapports d'analyse - Aucun compte requis — aucune publicité — aucune télémétrie Prérequis : Windows 10 (v1809+) ou Windows 11 · .NET 8 Desktop Runtime Licence : Freeware — usage personnel et redistribution à l'identique autorisés. Modification et commercialisation interdites. Auteur : Dona By https://sourceforge.net/u/donaby -
20
Thunderbird Anti Virus v4.4
Thunderbird Anti Virus Free Scanner v4.4
Thunderbird Anti-Virus v4.4: Quantum Defense & Ultra-Streamlined Operations Lock down your system with the cutting-edge defense of Thunderbird Anti-Virus v4.4. Combining adaptive AI security protocols with aggressive optimization tools, version 4.4 ensures absolute system integrity without forcing you to sacrifice a single frame of performance. This landmark update introduces a hyper-velocity defense matrix engineered to neutralize zero-day exploits instantly while keeping your environment lightweight, agile, and completely fortified. Engine Capabilities: Predictive Threat Intercept: A seamless, zero-footprint scanner backed by an upgraded cloud firewall to block sophisticated malware and network intrusions on the fly. Multi-Tiered Diagnostics: Instant flexibility with specialized scanning pipelines for active memory tracking, rapid checks, or comprehensive drive-wide audits. System Refiner: Built-in advanced registry and cache cleaning modules to maximize PC health. -
21
USBRescueX
Rescue and clean your hard disk or USB memory, delete broken shortcuts
USBRescuex in its version 2.1 is a computer program category in utility software for files and folders, which its main function is the recovery of hidden files, read-only and corrupted our device (either USB memory devices, removable storage or hard disk). Besides recover those important files for you , eliminates the famous RECYCLER virus , which is the basis of other USB flash drives for viruses , this virus is the main wrongdoer in your USB/Storage Device/Device Storage space Removable memory/disk hard, as the virus will hide all your files and folders , creating false shortcuts and reproducing more viruses to your computer and other USB/removable Devices/Hard Drives storage. The USBRescueX is a lightweight program easy to use and takes up very little space in your computer memory , and is portable version, optimized to run on any windows operating system than Windows XP or higher . -
22
After Death Antivirus
Scan flash drives for autorun and shortcut viruse
After Death is a handy and reliable program designed to detect autorun files on Flash drives, cleaning their traces thoroughly. By doing so, the application prevents such infections from restoring themselves the next time you insert the Flash drive into the computer. In addition, files that have been hidden by viruses will be made visible again. -
23
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. -
24
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 -
25
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.
