situs Antivirus

www.avira.com/en/support-vdf-update-info
www.avg.com/id-id/download-update
http://support.kaspersky.com/kis7/update?qid=20827442
www.symantec.com/business/security_response/definitions/download/detail.jsp?gid=n95
www.avast.com/download-update