You can remove ExsTraSavings from your PC with the help of an adware removal tool. For this operation, I would like to recommend you AdwCleaner. You can download it for free through the application's page at Software Informer. Once it's downloaded, launch it and press on Scan. After the scan is finished, press Clean and reboot the computer. After the computer is rebooted, the ExsTraSavings will be removed.