pctools threatfire forum

I was just trying to visit PCTools threatfire forums and Avast blocks it as a malware danger site. I find this hard to believe. Would appreciate any explanation/information.

Yep, its not blocking the forum though, is it? (its not for me)

Appears to be advert-related.

The URL from the avast warning

This page seems to be 1 hidden external link found.
http://www.UnmaskParasites.com/security-report/?page=alphawebhost.com

urlQuery - suspicious
http://urlquery.net/report.php?id=18760