I don't know if this is relevant or not but thought I'd mention it. After using Norton/Symantec products since Windows 95 came out I thought I'd try the free "Sympatico" version of McAfee Internet Security, my Symantec Internet Security subscription runs out in two days. All goes well, I open my browser and after a few seconds on UT a scary pop-up comes up saying something like "Whoa, are you sure you want to visit this site, it has been know to have..." (I forget the rest, but it was a warning). I clicked on yes, meaning yes I want to stay on the site and everything is fine of course.
Thought I'd pass it on, I'm on Win 7, McAfee Internet Security & Firefox 25.0.1 plus I installed the McAfee site advisor "Add-on" for Firefox when prompted.