PC Tools AntiVirus Free Edition 3.6

Respected antivirus now in its free version.

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Powerful antivirus developed by Kaspersky, free.

Protect your computer from possible threats from USB devices.

An easy-to-use and very efficient antivirus

Search for all kinds of virtual pests with this excellent Russian antivirus.

Open source anti-malware security software designed to detect and remove malware and other threats.

Microsoft's free antivirus in Portuguese