Registry Scanner is a fake registry cleaner. Malwarebytes can detect and remove this potentially unwanted application. The full version of the full version would have protected you against the installer. It would have warned you before the application could install itself, giving you a chance to stop it before it became too late. We hope our application and this guide have helped you eradicate this registry cleaner from your computer. You can read here how to check for and, if necessary, remove Scheduled Tasks. You may see this task in your Task Scheduler.”]
Source: https://forums.malwarebytes.com/topic/199296-removal-instructions-for-registry-scanner/