The best program that can log my network activities

Hello All,

I'm new here and I'm seeking for the program that can log which processes are using my network connection.
That logs entire transfer through my TCP/IP.

I think that I have virus on my computer that random sends some data (probably emails).

Thanks very much.

Processexplorer and TCPview by sysinternals

http://technet.microsoft.com/en-us/sysinternals/bb897437

wireshark

Hoi. heb je pics?

Nmap.