Hi Aj
This problem involves a tracking cookie, apparently a 'behavioural' cookie.
This explains how 'behavioural' advertising works. I have known about this type of thing before, in passing, as a friend works in an industry that uses it. I just had not understood how devious it is (or smart, depending how you view it), until I started checking this out. Certainly looks annoying.
Here is some information on Tribalfusion.
That site links to
this download which is tested spy-ware free (use free-ware version). I would imagine that other anti-spyware programs would remove it also.
To stop the same happening once you've gotten rid of Tribalfusion you need to block cookies from your computer.
Internet explorer:
here or [broken link removed]
Mozilla: have a look at
this
Also use addons on Mozilla as per Technologist (plus Adblock plus)
Mozilla more secure++ than Internet Explorer.
Hopefully this will help (not expert advise, unfortunately, just experience based, but I would hope this will help you sort the pop-ups out).
Apologies for the multiple links,
Regards
Nicola
PS as per Technologist's post: some 'anti-spyware' programs are indeed spyware: I would suggest you google any program before you download, and also use Mcafee site-adviser to monitor for dodgy sites (marked red if suspect site). You need also to do a spy-ware search to make sure nothing else nasty lurking on your computer.
Also AdAware seems less effect now than it had previously, from personal experience, and from reviews that I have read,maybe time to investigate another anti-spyware program?