This week, we’ve upped the ante: we’re launching a new zero-tolerance policy toward all bundled adware. That means every time you download software from Download.com, you can trust we’ve tested it and found it to be adware-free–period. (See how we test.)
另外他們也在 How do you test for adware and spyware? 說明了如何測試軟體是否有 Adware 或是 Spyware：
Every time a new file is submitted to the CNET Download.com site through Upload.com, our editors download, install, and scan the program using up to three industry-standard anti-spyware tools: currently these include Lavasoft Ad-Aware, Webroot Spy Sweeper, and PC-Tools Spyware Doctor. If the program is identified by any of these programs as containing adware, we will decline to list it on Download.com. We also virus-scan every listing in the course of uploading it to our secure servers, and routinely review and rate the majority of products for overall quality.
Nice job, CNET :)