Free Downloadable AntiVirus Utilities
BitDefender 8 Free Edition
BitDefender 8 Free Edition is a basic on-demand virus scanner, which is available for Windows and Linux.
Abtrusion Protector
Abtrusion Protector is an intrusion and virus protection software. Only software that you have safely installed is allowed to start. It is free for non-commercial, personal use in a non-network environment and requires Windows NT 4.0, Windows 2000 or Windows XP.
Clam AntiVirus
Clam AntiVirus is a GPL anti-virus toolkit for UNIX. The main purpose of this software is the integration with mail servers (attachment scanning). The package provides a flexible and scalable multi-threaded daemon, a command line scanner, and a tool for automatic updating via Internet. The programs are based on a shared library distributed with the Clam AntiVirus package, which you can use with your own software. Most importantly, the virus database is kept up to date .
ClamWin Free Antivirus
ClamWin is a Free Antivirus for Microsoft Windows 98/Me/2000/XP/2003. It provides a graphical user interface to the Clam AntiVirus engine. If features a scanning schedular, automatic updates, an addin for Outlook Express and shell integration for the standalone scanner. It does not include an on-access real-time scanner.
Malicious Software Removal Tool
The Microsoft Windows Malicious Software Removal Tool checks computers running Windows XP, Windows 2000, and Windows Server 2003 for infections by specific, prevalent malicious software—including Blaster, Sasser, and Mydoom—and helps remove any infection found. When the detection and removal process is complete, the tool displays a report describing the outcome, including which, if any, malicious software was detected and removed.
AVG Free Edition
AVG Free Edition is available for free to home users. AVG Free Edition is for private, non-commercial, single home computer use only. AVG Free Edition cannot be installed on server operating systems (such as Windows Server 2003).
F-Prot Antivirus
Free versions for home users of Linux, FreeBSD, Solaris. There is also a command line DOS scanner, but the Windows version is not free.
AntiVir Personal Edition (Downloadable Antivirus Program)
The private and individual use of the AntiVir Personal Edition is completely free of charge for Windows 95/98/Me & NT/2000/XP.
McAfee AVERT Stinger
Stinger is a stand-alone utility used to detect and remove specific viruses and worms, including Lovsan. It is not a substitute for full anti-virus protection, but rather a tool to assist administrators and users when dealing with an infected system.
avast! 4 Home Download
avast! Home is now free of charge for HOME users for NON-COMMERCIAL use. (Windows)
VCatch Basic Version 5
According to the website: "VCatch is a virus protection software. When VCatch is active it will check all the files sent or downloaded to your computer via Email and Web applications. In the event that VCatch detects that a file is suspected to be a virus, the software automatically deletes the file and notifies you."