Social engineering has become the dominant method of distribution for fake antivirus software. And most modern browsers, with one exception, do a terrible job of dealing with this type of threat. Current builds of Chrome display a
terrible flaw that puts you at greater risk than its competitors. In my testing, a malware author was able to exploit Chrome in four easy clicks. In stark contrast, Internet Explorer 9 used some new technology to flag the exact same
sites and files as suspicious, providing unmistakable warnings that have been shown to stop 95% of these attacks in their tracks. Ed Bott’s Microsoft Report