Just because something does come up on a scan doesn't mean you're not infected. Everyone should read this.
NEVER install any sort of AV in Safe Mode. They install kernel hooking libraries that will not properly install in Safe Mode, and will cause a buggy installation and possibly fubar your Windows installation.You might need to completely uninstall Malwarebytes before you can reinstall it. You might also want to try installing Malwarebytes in Safe Mode.