This adware is a web browser extension that will inject advertising in the browser in the form of unwanted banners and text-links which may link to malware sites and install unwanted software. The module my screen saver-buttonutil.dll by Brightcircle Investments Limited has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The ButtonUtil module (32-bit version) uses the Crossrider web extension monetization toolkit and will perform a number of helper integration activities on the user's web browser's as well as the Window's Shell in order to install the addon. It is part of the Brightcircle group of web-extensions that inject advertisements in the browser.