Link to the official site is http://www.avast.com/internet-security

avast! Internet Security provides complete antivirus, anti-spyware, antispam, and firewall protection, complemented by avast! SafeZone™ and new hybrid cloud technologies, for best protection against viruses, spyware, and other types of malware in 2012.

This one is not my software. I did not create it. I got it from a friend and i liked it so i am uploaded it. Credits goes to the guy who cracked it. Thanks.