FastMP3Search [dot] com [dot] ar offers
mp3s for download. Visitors who go there
are told they need to install a plugin,
which according to stopbadware.org is
bundled "with a ton of adware, Trojan
horses, and other forms of badware - none
of which is disclosed to the user."

http://www.stopbadware.org/reports/r...=fastmp3search

In addition, an FTC complaint has been filed
against the company.