Kazaa was accused of bundling adware, spyware and malware with their software. PUPs include spyware, adware, and fraudulent dialers. However, Norton AntiVirus 2009 Classic does not include spyware or adware detection. Some versions of the software were described as spyware and adware. The Classic edition cannot find or remove adware and spyware. Past versions of RealPlayer have been criticized for containing adware and spyware. SP displays virtual awards for products free of adware, spyware and commercial tie-ins. Many BitTorrent programs are open-source software; others are freeware, adware or shareware. Circle.1 can also operate as adware and perform phishing attacks. Users may be asked to install search toolbars or adware programs during installation. Trend Micro and Symantec have both classified the software as adware. Bullzip PDF Printer is available in a free version that comes with an adware toolbar. In October the company purchased AdwCleaner, a Windows program used to clean adware from computers. A previous installer of SourceForge included adware and PUP installers. Many of the games that required a download contained TryMedia Adware.