Software Expressions

How to make a bootable thumb drive virus scanner for NTFS

Some friends were experiencing problems with a virus (run32dll - possibly WhisperB-worm), while searching for the best approach to resolve this issue I came across this really simple and impressive article. I guess I’m rather old-school when it comes to viruses and haven’t dealt much with them for many years. Back in the DOS days you would create a boot disk with your virus software. You would boot up on the clean boot disk, and run the scan on C:. There was nothing else to it. It seems to be rather more complicated these days - and I’m not sure it needs to be. For one thing, how can you download virus scanning software and run it on a machine with a virus? How can you run a Windows virus scanning software on a machine where when Windows starts up it already has the virus loaded. This was evidently the problem in this case because the virus scanners that were downloaded picked up no viruses. Indeed the virus software had cleverly intercepted the scanner. It was obvious because during the scan the machine would reboot. The scanning software couldn’t even download all it’s updated virus signatures…
http://askthegeek.kennyhart.com/2005/12/how-to-make-bootable-thumb-drive-virus.html