i got a virus in ma kingston usb ?

i dont know the type of virus its just made my usb scrap m not able to copy anything in the usb also not able to delete or format the usb when m trying to do soo it shows write protected error and also all of my stuff (folders and files) name changes into machine codes or something like that also when i click to open folder it shows an error "the file name, directory name or volume label syntax is incorrect"... plz help me to sort out the problem