How to remove "mrxdavv.sys" virus file.?

Recently my computer was infected with a virus and i thought i removed it using malwarebytes but everytime it says that one file cant be deleted and will be on reboot but it never is "mrxdavv.sys" i actually disconnected the internet from the computer since if its on that file brings all the other ones back. i really need help getting rid of this file thanks in advance to anyone who can help.