Usbstor Diskgeneric-usb-flash-disk--7.76 May 2026

Devices showing as Generic USB Flash Disk with an odd revision like 7.76 are often problematic. Here are the typical issues users face:

For advanced users only: Some generic USB controllers (like Phison, Alcor, or SiliconGo) with firmware version 7.76 are vulnerable to firmware corruption. You need:

Warning: Incorrect flashing will permanently brick the drive. Usbstor Diskgeneric-usb-flash-disk--7.76

This string is a formatted identifier used by the Windows Operating System (specifically the usbstor driver) to interact with a mass storage device.

Context: You would typically find this string in the Windows Registry under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\USBSTOR or in forensic tools like FTK Imager or OSForensics. Devices showing as Generic USB Flash Disk with

You will most likely encounter "Usbstor Diskgeneric-usb-flash-disk--7.76" in the following situations:

This identifier follows the standard Windows pattern for USB flash drives: This string is a formatted identifier used by

Usbstor → Indicates the device is managed by the USB storage driver (usbstor.sys).
DiskGeneric → Manufacturer-reported name; "Generic" suggests a low-cost, unbranded, or third-party controller.
usb-flash-disk → Device type (flash memory over USB).
7.76 → Firmware or controller revision number. Unusually high (typical values: 1.00, 2.00, 5.00) — may indicate a cloned or counterfeit controller ID.

The identifier Usbstor Diskgeneric-usb-flash-disk--7.76 appears in several critical areas of Windows:

To understand the whole, we must first understand the parts. The string Usbstor Diskgeneric-usb-flash-disk--7.76 is not random; it follows Microsoft’s Plug and Play (PnP) hardware identification naming convention.

Below is a structured troubleshooting guide, from simple to advanced.