Spyware:Spyware is a type of malware that is installed surreptitiously on personal computers to collect information about users, their computer or browsing habits without their informed consent.
Registry Cleaner Pro is a fake Windows registry cleaner, promoted through the use of Trojans. These Trojans display fake security alerts and notifications about various dangerous infections and privacy issues. Of course, these infections and computer security threats are all fake and shouldn�t be treated seriously. Furthermore, Registry Cleaner Pro is advertised on various untrusted websites and via fake online ads or scanners. While running, RegistryCleaner Pro will be configured to scan the system each time you turn on your computer. It will display numerous fake infections and security or privacy issues in order to scare you into purchasing the program.
Technical details (How to remove Registry Cleaner Pro(pop up))