Freeware Antivirus Program

Free USB Disk Security is a free tool to secure the contents of your USB drive to prevent the spread of a virus in your files. A review of Free USB Disk Security has also been published.
Download Free USB Disk Security (from Antivirus Software)

1.13 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | Free

For all those experiencing the damaging effects of a virus infection, Avira's researchers have prepared a free removal tool, which can be used to eliminate major distinct threats..
Download Avira AntiVir Removal Tool (from Antivirus Software)

0.35 MB | For Windows 7, Windows 8 / Vista / XP / NT | Free

Rising Antivirus protects your computers against all types of viruses, Trojans, Worms, Rootkits and other malicious programs..
Download Rising Antivirus Free Edition (from Antivirus Software)

free rising antivirus 2012
52.91 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | Free

The free ZoneAlarm Antivirus + Firewall is the combination of ZA's popular free firewall and a new antivirus application which may be better categorized as anti-spyware, anti-malware and antivirus combined into one simple application. A review of ZoneAlarm Antivirus has also been published.
Download ZoneAlarm Antivirus (from Antivirus Software)

2.04 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | Free

Some of the more effective viruses and malware infections can disable antivirus applications including Malwarebytes Anti-malware; Malwarebytes Chamelion is a tool which can install Malwarebytes Anti-Malware bypassing any virus infections blocking the installation. A review of Malwarebytes Chameleon has also been published.
Download Malwarebytes Chameleon (from Antivirus Software)

4.6 MB | For Windows 7, Windows 8 / Vista / XP | Free

Kaspersky Virus Removal Tool is a no-frills antivirus tool which does as its title suggests: removes virus infections from the user's system. A review of Kaspersky Virus Removal Tool has also been published.
Download Kaspersky Virus Removal Tool (from Antivirus Software)

128 MB | For Windows 7, Windows 8 / Vista / XP | Free

Baidu Antivirus is the free antivirus application developed by a large Chinese company with a large online presence in Asia. A review of Baidu Antivirus has also been published.
Download Baidu Antivirus (from Antivirus Software)

1.4 MB | For Windows 7, Windows 8 / Vista / XP | Free

Tencent PC Manager includes the largest security cloud base all of the world and claims to be a powerful antivirus engine..
Download Tencent PC Manager (from Antivirus Software)

148 MB | For Windows 7, Windows 8 / Vista / XP | Free

This is the free version of Comodo Antivirus. A review of Comodo Antivirus has also been published.
Download Comodo Antivirus (from Antivirus Software)

81.9 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | Free

Taking a nod from AVG's free antivirus program, PC Tools has also come up with their free antivirus and whether or not it was created to help promote their paid solutions, we think it is a pretty stable antivirus program with protection against many known common threats. A review of PC Tools AntiVirus Free has also been published.
Download PC Tools AntiVirus Free (from Antivirus Software)

40.3 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | Free

To uninstall Malwarebytes Anti-Malware from your computer, please use our Malwarebytes Clean Uninstall Tool, mbam-clean..
Download Malwarebytes Anti Malware Cleanup Utility (from Antivirus Software)

314 KB | For Windows 7, Windows 8 / Vista / XP | Free

If you're not in the market for an antivirus program because of the high costs of yearly updates, you might be interested in checking out Immunos. A review of Immunos has also been published.
Download Immunos (from Antivirus Software)

2.71 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | Free

Autorun Eater was born due to the increase of malwares using the 'autorun..
Download Autorun Eater (from Antivirus Software)

1.36 MB | For Windows 7, Windows 8 / Vista / XP | Free

Bitdefender Free is an excellent free alternative compared to other full packages available out there for users, but Bitdefender seems to go that extra mile by providing real-time protection and HTTP-based virus prevention. A review of Bitdefender Antivirus Free has also been published.
Download Bitdefender Antivirus Free (from Antivirus Software)

0.15 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | Free

RectorDecryptor is a free release by Kaspersky (the antivirus author) which helps remove the nasty Trojan-Ransom. A review of RectorDecryptor has also been published.
Download RectorDecryptor (from Antivirus Software)

637 KB | For Windows 7, Windows 8 / Vista / XP | Free