Various virus killers are out there. Here is a, probably incomplete, list of those available.
Killer is distributed by Pineapple Software. Who can be reached at:-
Pineapple Software, 352 Green Lane, Ilford, Essex IG3 9JS England. Tel. +44 (208) 599 1476 Fax +44 (208) 598 2343 via email:-email@example.com firstname.lastname@example.org or email@example.com
Or if you need a German version of the program you can contact Uffenkamp Computer Systeme at:
Gartenstr. 3, D-32130 Enger. Tel. +49 (5224) 978075 Fax +49 (5224) 978076 via email:- firstname.lastname@example.org or email@example.com
Early versions (up to 1.26) are PD, but should not be used now as they are ineffective against the new crop of viruses that have subsequently appeared since it's release.
Slayer is a freeware virus killer available from Kiwisoft. It can be downloaded from http://www.kiwisoft.co.uk/software/slayer/
It has the advantages over !Killer in that it is free, and also it is very fast.
This is a shareware product released by Paul Vigay. It can be downloaded from Paul's www site at http://www.vigay.com/software/vzap.html
and is updated as and when new viruses are discovered.