Users are redirected to a spoofed copy of Google's front page with a large message claiming "You WON $400.00 !!!". Users are presented with instructions for collecting their prize money. These instructions direct users to enter their credit card number and shipping address. Once the information has been collected, users are directed to Google's legitimate website.
More information on the alert issues on November 8th at Websense.
The reason I post this now, is because we have some forum coverage of it at DigitalPoint Forums.