большинство фри
Bitdefender free edition (www.bitdefender.com)
ClamAV Antivirus, Free (www.clamwin.com)
AVG Antivirus (www.grisoft.com)
Sophos Antivirus offers a free trial version (www.sophos.com)
Avast 4 server edition where you get 60 days for free (www.avast.com)
F-Prot for server (www.f-prot.com)
Bitdefender total security 2009 (beta.bitdefender.com)
Rising AntiVirus 2008 Free Edition (www.rising-global.com)
ServerProtect for Microsoft Windows free trial version (us.trendmicro.com)