It acts as a filter or virtual hub driver, allowing local systems to "see" and interact with USB devices plugged into remote computers as if they were local. Security Context: It has been identified in security reports due to a Denial of Service (DoS)
is a third-party driver that provides virtual USB hub functionality to facilitate remote device connections. Key Characteristics of fusbhub.sys
Locate your remote desktop client (such as the or VMware Horizon) and click Uninstall . Reboot your computer completely.
Just before his heart reached 100% CPU usage, he managed to yank the physical connection. The world went dark. The Aftermath fusbhubsys
To understand the inner workings of fusbhub.sys, let's dive into the technical aspects of the USB hub architecture.
: Installs a specialized virtual root hub.
Example JSON device entry
If the registry key denies deletion, look at the associated .inf file name listed inside the entry (e.g., oem9.inf ).
The core function of a USB hub driver is to act as a for your computer's USB ports. Its primary duties include:
: The system may freeze or crash during power-state changes (like going into Sleep mode) if the driver cannot properly communicate with the USB hardware. Troubleshooting and Fixes It acts as a filter or virtual hub
Check Event Viewer for system logs mentioning usbhub.sys or usbport.sys . Look at Device Manager – yellow exclamation marks on USB controllers indicate driver problems.
While the standard Windows operating system relies on the native usbhub.sys to manage physical USB hubs, the prefix in fusbhub.sys typically denotes a custom or proprietary system extension—most notably used by enterprise-grade remote access software like HP Anyware (formerly Teradici PCoIP). Its job is to handle the redirection and routing of USB peripherals between a physical machine and a virtual machine/remote server.
Driver corruption, incompatible USB devices, outdated Windows updates, or hardware conflicts with external USB hubs. Reboot your computer completely