welcome to the forum. look like a false threat acording to the virustotal report here.
http://www.virustotal.com/url-scan/report.html?id=9ff3156ba6a1ff3767ccf9323a1b1e96-1315540934 only bitdefender seems to react on it.
check this site to report your site as a false url detection
http://www.avast.com/contact-form.php?loadStyles
good luck