Google Security Team on one of its blog post tells that, listen to the all warnings on search results and on browsers even the source is trusted one. Because for surely those trusted sites will be under attack. The Security team is confident about the warnings given by scanners. here is the post published on Online Security Blog This week in particular, a lot of web users have become vulnerable. A number of live public exploits were attacking the latest versions of some very popular browser plug-ins. Our automated detection systems encounter these attacks every day, e.g. exploits against PDF (CVE-2010-2883), Quicktime (CVE-2010-1818) and Flash (CVE-2010-2884). We found it interesting that we discovered the PDF exploit on the same page as a more “traditional” fake anti-virus page, in which users are prompted to install an executable file. So, even if you run into a fake anti-virus page and ignore it, we suggest you run a thorough anti-virus scan on your machine. We and others have ...