Makers of popular Norton Antivirus product.

Produces the McAfee VirusScan line of antivirus software, as well as various specialized products for home and business users. Also offers managed security services for home and business users.

The complex anti-virus protection for your computer.

avast! complete anti virus protection for all computers with a fast incremental update. Several versions available Home, Professional, Network, Enterprise, Groupware, and Firewall edition.

Makers of Kaspersky Anti-Virus and related security products (Formerly known as AVP)

Provides security and anti-virus software for small businesses and home computing.

Free on-line virus scanner. This site will scan your computer for viruses directly from the web page, using an ActiveX applet.

Virus Encyclopedia site maintained by Symantec, makers of the popular Norton AntiVirus product.

Offers a variety of antivirus products, including specialized handheld device, peer-to-peer, and email scanners

Product information, news, support, and information on viruses.

Antivirus software package targeted at business customers

Trend Micro issues regular advisories regarding new viruses, including a guide to avoiding them in the first place. Site covers risk factor of the newest viruses. lists top ten virus and offers a security alert archive.

Free anti-virus programs, software and tools, including specific fixes for many difficult to remove viruses & trojans

Software featuring combined firewall, anti-virus and peer-to-peer protection.

Provides protection against viruses endangering your PC, running on various platforms from Microsoft Windows 95 / 98 / ME / NT / 2000 / XP, a number of UNIX operating systems and major mail servers.

F-Prot Antivirus for Windows, DOS, Linux and other platforms.

Antivirus software package with plugins for many popular IM programs.

Vet Anti-virus. A Computer Associates company.

Up to date and in-depth descriptions of the most common viruses by Panda Software, makers of Panda Antivirus Platinum.

An e-mail content-checking, anti-virus and e-mail exploit-detection solution for Exchange and SMTP servers.

A searchable database of virus descriptions, from the provider of F-Secure range of anti-virus software.