SourceWhen he discovered that Nmap was being distributed by C|Net's Download.com site bundled up with a proprietary trojan installer that installed a sketchy toolbar, changed the users' default search engine to Microsoft Bing, and changed their home page to Microsoft's MSN, Nmap developer "Fyodor" raised the alarm and began warning users left and right.
It took less than a day for Download.com to react and quietly switch their Nmap downloads back to the software's real installer, and for Microsoft to contact him and explain that they weren't aware of the fact that they were sponsoring CNET to trojan open source software. They put the blame on one of their distribution partners, and said that it has suspended operations with C|Net until this issue has been solved.
A Guy