More problems for United Information, aka classmates.com
Kimberley has all the information - she has found some malicious advertisements hosted by United Information that have been around for a very long time:
are different in format to those I wrote about yesterday.
The SWFs are protected (although that is easy enough to remove), they are encrypted, and they do not seem to contain a link an to iexplorer-security.org URL. In addition, the campaign URL is an older style:
There is a lot more to be gleaned from this incident, but that will have to wait until I have more time in a few hours.