if you think it is a virus, it is usually best to do a clean install (considering you don't have important files there)
wooden chasm
if you think it is a virus, it is usually best to do a clean install (considering you don't have important files there)
by booting into the flash drive's install media, fully erasing everything on your disk from your installer and then reinstall (and maybe backup what you care about in the drive)
and then just install