VirusTotal is a free service offered by
Hispasec Sistemas meant to scan a
single suspicious file. You upload the file using their web site and it scans
the file with 27 different anti-virus programs. Sample1Sample2 (both open in
Internet-Security from Symantec.
This scans every file it can find. There is no way to limit it to one
directory or just the C disk, for example.
Panda Software has two free online scanners.
Both are ActiveX based so they only work in Internet Explorer, not in Firefox.
Both scan for viruses and Spyware. The older one is ActiveScan.
The newer one is available at www.nanoscan.com.
The new one is sometimes called NanoScan and other times called TotalScan. As
of March 2007 NanoScan is in beta and the website says there will be a Firefox
compatible version in April 2007. ActiveScan requires an email address before
scanning, TotalScan does not. ActiveScan will remove viruses.
Trend Micro. Works with IE (using ActiveX) or Firefox
(using Java). Java
version of Housecall. Housecall used to be great, but it has been broken for months (as of
December 2006). In March 2007 Brian Krebs
said that he found the program annoying and had it crash while scanning. I
haven't been able to get a scan even started in a very long time.
The PersonalEdition Classic of Avira AntiVir offers free virus protection
for Windows 2000/XP/Vista 32Bit and for Linux/FreeBSD/Solaris. It's the one with the cute red umbrella.
Avira also offers paid versions that come with anti-spyware and anti-adware software.
McAfee AVERT Stinger is a free
program you download to your PC that detects and removes some viruses. It is not a substitute for full anti-virus protection, but rather a tool to assist
you when dealing with an infected system.
stand-alone anti-virus software as well as an entire security suite. However,
they don't target consumers, the minimum quantity they offer is five.
Earthlink customers can get free anti-virus software from EarthLink as part
of their Protection Control Center
Question: Two e-mail messages were returned to me because they couldn't be delivered due to viruses they contained. But I didn't send these messages. Someone has been using my e-mail address. An antivirus scan didn't show anything
wrong. How can I stop this?
Walter Mossberg, the Wall Street Journal, June 24, 2004
Colleges Move to Thwart Internet Viruses
AP September 4, 2003. At one school, students cited for infectious computers must show proof they've been fixed before they can log
back onto the campus network.
Fight Against Viruses May Move to Servers
The Washington Post August 28, 2003. Computer viruses are becoming so aggressive and sophisticated that they may soon be able to elude anti-virus programs installed on individual