That site is not owned by Google. What made you think it was? Google most likely requested that the owners redirect users to Google.com is why the domain acts as it does, however Google does not own it and its hosted on a server that malware authors are using with other domains too.

You're PC is infected with multiple malware/viruses. 1 of the viruses is called Norton. So first remove that Norton virus by going to Add Remove programs, then go to http://avast.com/ to install a virus scanner, and scan for viruses. The ostatic website is clean.

Hotmail the biggest web service? Just cause you have 5 billion spam email accounts doesnt make it the biggest, Id say its one the biggest used for disposable email spam accounts. Id say gmail is trumping Hotmail.