[marcovaleriof]

here a free, auto-updating command line based,usefull for working with cron,
antivirus:

link:http://www.norman.com/download_nvc_linux.shtml

avaible in the format:

# RPM package formats = E.g. RedHat/SuSE/Mandrake
# DEB package formats = E.g. Debian/Corel
# tar.gz package formats = E.g. Slackware