I modified Antivirus Scan with F-Prot-Servicemenü http://www.kde-look.org/content/show.php?content=17808
for FP-Linux-Workstation, Version 6.x an the Engine 4.4.4. The name of Command-Line scanner is now fpscan.
This is only the service-menu, you need to have F-Prot antivirus installed on your systemfolder /usr/local/f-prot.
TO INSTALL: extract the content of the tarball and copy the file f-prot_virus_fpscan.desktop into ~/.kde/share/apps/konqueror/servicemenus (just for your user) or in /usr/share/apps/konqueror/servicemenus, /opt/kde/share/apps/konqueror/servicemenus... etc, depending on your distro, to make it system-wide.