A client of mine has a domain listed on a few search engines. When 'found' on Google/Yahoo/AOL, it redirects to that Win Anti-Spyware (but actually is spyware) site.
When you go directly to the client's site (bypassing search engines listed), it works fine.
Who does one contact about this? The search engine peoples? have read Google is impossible to contact, etc.
ps. btw - how did this happen?