@ Tech
He is using avast5, avastSvc.exe is an avast5 file.
@ wonder
You don't understand how avast works, a) it doesn't initiate connections and b) the avastSvc.exe is the main scanning engine and controls all shield activity. So what you are seeing is the web shield redirection of http traffic so it can scan the content. You should see a corresponding decline in your browser bandwidth use as the traffic is redirected through the web shield proxy.