Description: NAB Application Activity Monitor Filter Driver. - Norton AntiBot - Symantec Corporation. Filetype : driver A device driver is a program that let windows to control your hardware(printer,sound card,monitor,cdrom,modem,mouse,etc.). Each hardware component in your computer requires a driver, otherwise it cannot be used by windows 98/2000/xp/vista.Update drivers of your PC will improve system performance and stability Product name: Norton AntiBot Description: NAB Application Activity Monitor Filter Driver. Manufacturer: Symantec Corporation.