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 internet speed checker-buttonutil64.dll by Porter Studio Plus has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This file is typically installed with the program Internet Speed Checker by Sailor Project which is a potentially unwanted software program. The ButtonUtil module (64-bit version) uses the Crossrider web extension platform and will perform a number of helper integration 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.