This is not something new, but just something to share, especially in light of the fact that Zango owns HotBar.
First, we see this ad placed through Fastclick on a well-trafficked website.

The ad ultimately goes to this page:
As you can see, there is a note that there will be ad-supported software. Note the “Safe Download …Click Run to ensure safe download”.

Have you read these related articles?
Newsletter: