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 setup.exe by Krance Development has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Nullsoft Install System installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from savepass.downserver4.com. It is distributed as part of the Brightcircle group of browser-extensions.