Some websites reporting common error code contain adware
Web surfers are accustomed to seeing a 404 error message when they try to reach a website that is not available. But now hackers are using that common occurrence to their advantage by creating fake sites containing the error message to load spyware and adware, security researchers said today.
One particular site - http://404dnserror(dot)com - "tries to install an ActiveX control and the installation message communicates that page is not available as it's blocked by adware/spyware," said Bhaskar Krishna on the McAfee Avert Labs blog today. News - IT Security News - SC Magazine UK
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