[[email protected] ~]$ pacman -Ss virus
extra/clamav 0.97.4-2
    Anti-virus toolkit for Unix
extra/kdeplasma-addons-wallpapers-virus 4.8.1-1 (kde kdeplasma-addons)
    Virus
community/p3scan 2.3.2-6
    Fully transparent POP3/SMTP proxy with Anti-Virus and SPAM protection
[[email protected] ~]$ yaourt -Ss virus
extra/clamav 0.97.4-2
    Anti-virus toolkit for Unix
extra/kdeplasma-addons-wallpapers-virus 4.8.1-1 (kde kdeplasma-addons)
    Virus
community/p3scan 2.3.2-6
    Fully transparent POP3/SMTP proxy with Anti-Virus and SPAM protection
aur/antivir 3.1.3.5_0-1 (132)
    Avira's Personal UNIX Workstation Antivirus
aur/antivir-resident 2.1.12_19-5 (6)
    Avira's Personal UNIX Workstation Antivirus with AvGuard
aur/arcacmd 2007.03.19-4 (5)
    antivirus from ArcaBit (Poland)
aur/avast 1.3.0-4 (178)
    Avast4workstation antivirus (Home/Non-Commercial Only)
aur/avg-free r855_a3656-1 (Out of Date) (39)
    AVG free anti-virus for private, non-commercial, single home computer use 
    only
aur/bitdefender 7.6-6 (32)
    BitDefender's Personal UNIX Workstation Antivirus
aur/clamassassin 1.2.4-3 (7)
    A simple virus filter wrapper for ClamAV.
aur/clamav-devel 20101009-1 (Out of Date) (5)
    Anti-virus toolkit for Unix, development version.
aur/clamav-git 20100923-1 (0)
    Anti-virus toolkit for Unix, GIT version.
aur/clamfs 1.0.1-4 (13)
    A user-space anti-virus protected file system
aur/clamsmtp 1.10-1 (16)
    SMTP filter that allows you to check for viruses using the ClamAV 
    anti-virus software.
aur/clamtk 4.38-1 (315)
    ClamTk is a GUI front-end for ClamAV using gtk2-perl. It is designed to be 
    an easy-to-use, lightweight, point-and-click desktop virus scanner for 
    Linux.
aur/claws-clamav-devel-plugin 3.5-3 (2)
    This plugin provides the clamav-devel antivirus plugin
aur/claws-clamav-plugin 3.5-1 (19)
    This plugin provides the clamav antivirus plugin
aur/drweb-cli 6.0.2.1-1 (9)
    Dr. Web Antivirus
aur/esets 3.0.22-1 (2)
    ESET Mail Security provides comercial Antivirus and Antispam.
aur/fprot 6.0.3-2 (Out of Date) (53)
    Frisk Software International's Antivirus for Linux Workstations
aur/havp 0.92a-1 (10)
    Http AnviVirus Proxy.
aur/klamav 0.46-5 (127)
    An anti-virus manager for KDE that's based on the ClamAV scanning engine
aur/kvirustotal 0.30.0-1 (10)
    Online antivirus and anti-phishing tool
aur/malwaredetect 0.1-1 (4)
    Submits a file's SHA1 sum to VirusTotal to determine whether it is a known 
    piece of malware
aur/nautilus-bitdefender 1.0.0-1 (6)
    BitDefender Antivirus Scanner for Unices extension for Nautilus
aur/nautilus-clamscan 0.2.2-1 (8)
    Antivirus scanning for Nautilus
aur/penguin-pills 0.3.1-1 (4)
    A graphical interface for use with multiple linux command line anti-virus 
    scanners.
aur/redirfs-bin 0.6-1 (0)
    Redirecting FileSystem with Anti-Virus Filter - Binaries
aur/redirfs-lib 0.6-1 (0)
    Redirecting FileSystem with Anti-Virus Filter - Libraries
aur/redirfs-modules 0.6-1 (Out of Date) (0)
    Redirecting FileSystem with Anti-Virus Filter - kernel modules
aur/sqlgrey 1.6.8-4 (2)
    Postfix greylisting policy service with auto-white-listing written in Perl 
    with SQL database as storage backend. Greylisting stops 50 to 90 % junk 
    mails (spam and virus) before they reach your Postfix server (saves BW, 
    user time and CPU time).
aur/squidclamav 6.5-1 (5)
    is an antivirus redirector for Squid proxy based on the Awards winnings 
    ClamAv anti-virus toolkit. Using it will help you securing your home or 
    enterprise network web traffic. SquidClamav is the most efficient Squid 
    Redirector antivirus tool for HTTP traf
aur/squidwall 0.4d-1 (8)
    A fast, small and secure squid redirector with url/content filtering and 
    antivirus scanning.
aur/viruskiller 1.03-2 (24)
    Shoot 'em up. An arcade game that relies on quick reflexes, luck and your 
    file system...
[[email protected] ~]$