This is part of the Sendori web browser toolbar and extension that will modify the browser's default search provider, DNS, and home page functions. The application altonavTray.exe, “altonav Notification Icon” by altonav has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is set to automatically execute when any user logs into Windows (through the local user run registry setting) with the name ‘Altonav Tray’. This file is typically installed with the program Altonav.