McAfee Site Advisor

McAfee Site Advisor helps protect you from malware when searching the web.  It integrates with things like Google Search Results and Facebook to warn you about sites that might be hosting Malware, and it is free.  Just go to the site and click the Free Download button

Note:  SiteAdvisor will try to change your default search provider during installation.  In order to keep your current default search provider, when prompted: uncheck “Enable Secure Search” and uncheck “Make Secure Search my browser’s default search engine” during installation.