This driver is a functional hub filter used to enable or USB redirection . It is commonly bundled with professional-grade software such as:
Some Teradici (HP) remote desktop solutions bundle this for USB redirection. Common Issues and Security UsbHub3.sys Blue Screen Error: 6 Solutions fusbhubsys
Managing the power states (sleep/wake) of connected peripherals. This driver is a functional hub filter used
Boards using Fairchild or ASMedia chips for extra USB 3.0/3.1 ports. fusbhubsys