I had just uploaded a file at FileFront & this launched a window to an ad called aShopping.com, this tried to launch "~.exe" that COMODO picked up, now although I blocked it after a scan the virus (HIDDENEXT/Crypted) was found in the
C:\Documents and Settings\myprofile\Local Settings\Temporary Internet Files, I have deleted it & all is ok but thought I'd give the warning, a bit poor of FileFront IMO!

Edit: Looks like I may be infected, ever so often when I open a new page with firefox a window opens to here:
http://403.hqhost.net/index.html
thank goodness it's an error message, or is it? any advise welcome.

I think it has infected firefox, this is what opens: