The application 4yfcw.exe has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup and installation application, however the file is not signed with an authenticode signature from a trusted source. It runs as a scheduled task under the Windows Task Scheduler triggered by a time event. The installer uses the InstallMonetizer platform which will donwload and install adware toolbars and other potentially unwanted software offers during setup.