When I go to Google.com and click one of the search results, it forwards me to a different page than what I clicked. And when I use the Google search box in Firefox, it forwards me to a fake Google page that is just a bunch of advertisments.
Every once in a while, ad-aware blocks svchost.exe from accessing a malicious website. This is the URL of the website that is being blocked by ad-aware in the svchost.exe process, and also when I click a link on the Google search results: 188.8.131.52
Here's the hijackthis.log: http://www.mydatadump.com/hijackthis.log