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 77d923fc-4eae-4c3c-b2b8-efa0bb9b5933.exe by Naruto Source has been detected as adware by 7 anti-malware scanners. It runs as a scheduled task under the Windows Task Scheduler triggered to execute each time a user logs in. This file is typically installed with the program Internet Speed Checker by Sailor Project which is a potentially unwanted software program. It is part of the Brightcircle group of web-extensions that inject advertisements in the browser.