It looks like you're looking for the (often a generic USB 2.0 to RJ45 adapter based on common chipsets like AX88179 , SR9800 , RTL8152 , or DM9621 ).
, users have debated whether these cheap adapters are actually "BadUSB" devices designed to inject malware. The Truth: ky-888 usb ethernet driver
: If your device uses an ASIX processor (such as the AX88179 or AX88772), drivers are available on the ASIX Support Site . KY-888 USB Ethernet adapter driver It looks like
Open Device Manager , right-click the unknown device, go to Properties > Details , and select Hardware Ids . Look for VID_0B95&PID_7720 or similar. 0B95 is the vendor ID for ASIX. The Truth: ASIX Chipset : If your device