Download Moon Secure Antivirus – Free Open-Source Virus Protection for Windows

Moon Secure Antivirus is a free, open-source antivirus solution for Windows that provides reliable protection against viruses, trojans, worms, and other malware. Built on the ClamAV engine, it offers real-time file system monitoring, on-demand scanning, and automatic virus definition updates to keep your system secure.

The program features a clean, user-friendly interface that makes it accessible even for non-technical users. It runs quietly in the background, scanning files as they are accessed and alerting you immediately when a threat is detected. Quarantine functionality lets you isolate suspicious files safely without deleting them outright.

Moon Secure Antivirus is a solid lightweight security option for users who want free, open-source antivirus protection with a straightforward interface and automatic updates.

Key Features

• Real-time file system protection that scans files on access to block threats instantly
• On-demand full system, quick, or custom folder scans
• Powered by the ClamAV virus detection engine with a large and frequently updated signature database
• Automatic virus definition updates to stay protected against the latest threats
• Quarantine system to isolate detected threats safely for review or removal
• System tray integration for background protection with minimal resource usage
• Free and open-source with no subscription or license fees

How to Install

1. Click the download button below to get the Moon Secure Antivirus installer.
2. Run the installer and follow the on-screen setup wizard to complete installation.
3. Allow the program to download the latest virus definitions during the initial setup.
4. Moon Secure Antivirus starts automatically and begins monitoring your system in the background.
5. Run a full scan from the main interface to check your entire system for existing threats.