Software protection often relies on physical USB dongles to prevent unauthorized use. A Virtual USB MultiKey driver creates a "Root" device in the Windows Device Manager that tricks protected software into believing a physical key is present by reading emulated data (dumps) from the Windows Registry. 2. Technical Architecture The driver operates at the kernel level as a system device. Driver Files: Typically includes multikey.sys and an associated file (e.g., multikey.inf mukeydrv.inf Device Path: Once installed, it appears under System devices as "Virtual USB MultiKey". Hardware ID: Often identified by the hardware ID ROOT\MULTIKEY Emulation Support: