Do you know what UltimateCleaner is?
UltimateCleaner, a Winfixer and SystemDoctor clone, is a misleading computer security and cleanup application often downloaded and installed by a Trojan. UltimateCleaner launches on Windows startup and pops fake error messages and other security warnings in order to deceive you and trick you into purchasing the full version of the program for removal. UltimateCleaner may display excessive advertising while you surf the Web. Additionally, UltimateCleaner installs other spyware that may come bundled. The latest version of this software is Ultimate Cleaner 2007.
Non-Techie terms: Spyware makers create programs like UltimateCleaner to extort money from you. UltimateCleaner does not detect spyware. UltimateCleaner is the spyware you should avoid and not give out any personal information.