Virus writers have been gaming Google's "sponsored links" -- the paid ads shown alongside search engine results. They are aiming to get their malicious software installed on computers whose users click onto ad links after searching for legitimate sites such as BBBonline.org, the official Web site of the Better Business Bureau.
"Google sponsored links not safe?", Exploit Prevention Lab's Blog
If you have your G-Mail Account, refer to below:
"Google helps phishers", Kaspersky Analyst's Diary