Hello,
attached picture shows, what’s detected on the page.
Avast complains about using certain extensions (such as “sharethis”), which use bad practice (hidden links). Either disable them, or delete the code that hides the links (function …ViewState() { var a=0,m,v,t,z,x=new Array(‘9091968376’…)

More info can be found here: http://forum.joomla.org/viewtopic.php?t=795946

Milos