Google hijacked?

Strange coincidence after my last post: Suddenly, I can’t get to Google anymore. It seems to have been replaced by ‘SoGoSearch.com.’
google.gif
Update: Odd. I restarted my computer, and it’s working again. Guess the problem is on my end — which raises another question: is there any way for others to affect the OS X routing table? I’m using OS X 10.4.2, Firefox 1.0.5.