USBUtil is a homebrew software application designed for Windows computers. Its primary purpose is to prepare USB flash drives or external hard drives to be read by the PlayStation 2 using Open PS2 Loader (OPL).
For most “dead” drives:
Note: Since this is freeware/homebrew, it should always be free. If a site asks for payment, it is a scam. Usbutil 2-2 English Free Download