Not really got time to investigate fully.
Download the free f-prot from
here also get the latest defs.
You should be able to create a bootable cd with your win98 setup disk, which will give you access to your CD-rom.
Create a Win98 Setup disk.
Copy the ntfs reader from the created floppy for NTFS Reader.
Put on a CD with F-Prot
Either create a bootable CD with Nero with your win98 floppy this will give you access to your CD-Rom, even though it's booted off it.
Or boot with floppy and load NTFS reader then F-Prot and scan your hdd.
Can't verify if above will work not tested this out yet, use a cd-rw in case it doesn't.
Also try the original ubcd as this will scan ntfs hdd's but I don't think it has write capabilities, which means it can't remove virus's
Also try
http://www.dslreports.com/forum/remark,11803878~mode=flat the public Anti-Virus from here.