Often referred as a gadget or snippet, the file extension widgets are the background utility which looks for specific information on the internet and collects it in particular locations. It is a Java script application which runs in Mac operating systems or MS windows and is portable as well. Usually these applications solve some simple tasks like displaying the number of unread emails in your inbox, current weather forecast, stock prices, etc. and don’t need to have additional compilation to execute and install it.
As applications running on this extension are prone to spyware, some security concerns have been raised about file extension widget. Just like any other program code, widget can as well be used for malevolent purposes such as tricking unsuspecting users install inappropriate adware. An indication would be the disappearance of the Widgets icon from the system tray. However, Widget itself is not a virus neither is it a Trojan or malware and one does not need to worry much when deciding to install it in on their computer.