Explorer 8, Win XP Pro OS.
First hit I ever got with Security Essentials, been running it for a long time.
Always recheck with Malwarebytes once a month and will also run Kaspersky tdsskiller at the same time.
Do you have google web accelerator, or any other addons installed?
If you did not click on that link, there is some program on you computer that prefetched that page when you visited the main page.
Running AVG full scan right now. Will let you know what it highlights.