This because site has been removed Status 301 Moved Permanently → http://fetch.scritch.org/%2Bfetch/?url=http%3A%2F%2Fwww.avast.com%2Fvirus-monitor&useragent=Fetch+useragent&accept_encoding= (related to the arrival of the streaming updates ???)

Clean result: http://online.drweb.com/result/?lng=en&chromeplugin=1&url=http%3A%2F%2Fwww.avast.com%2Fvirus-monitor
I get a server not found: http://urlquery.net/report.php?id=1395872486029
benign result: http://zulu.zscaler.com/submission/show/150de7ef17f7020ad620abea87f97715-1395872361
For that particular IP all closed and dead: http://support.clean-mx.de/clean-mx/viruses.php?sort=firstseen%20desc&review=46.4.28.%
See original raw offending content: X-UA-Compatible" content="IE=edge → htxp://fonts.googleapis.com/css?family=Open+Sans:400italic,700,400|Open+Sans+Condensed:700&subset=latin-ext XSS attack via htxps://’ : ‘http://’) + 'stats.g.doubleclick dot net/dc.js
See attached pinpoint analysis capture file for evaluation.

polonus