Khalil Felder added 12 points and five boards for the Golden Grizzlies (14-14, 9-4 Horizon League), who hit 52.9 percent from the field overall and 57.7 percent from the free throw line.
Hooper sank a trio of 3-pointers and scored 11 points total during the first half to help Oakland to a 43-33 lead at the break.
Wright State took the lead, 57-56, early in the second half on a 13-8 run sparked by Grant Benzinger who scored nine points in the surge. Oakland answered with a 14-5 run capped by a Hooper 3 to go back on top, 70-62, with 3:32 remaining and held on for the win.
Benzinger had a career-high 31 points to lead the Raiders (11-16, 3-10).