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 application 8583.exe by NightWish Center (Bright Circle Investments) has been detected as adware by 20 anti-malware scanners. It is built using the Crossrider cross-browser extension platform. While the file utilizes the Crossrider framework and delivery services, it is not owned by Crossrider. It is also typically executed from the user's temporary directory. It is distributed as part of the Brightcircle group of browser-extensions.