To configure the installation process for .deb and .rpm packages, you can create a response file named /etc/default/virtualbox. The automatic generation of the udev rule can be prevented with the following setting:

INSTALL_NO_UDEV=1

The creation of the group vboxusers can be prevented as follows:

INSTALL_NO_GROUP=1

If the following line is specified, the package installer will not try to build the vboxdrv kernel module if no module fitting the current kernel was found.

INSTALL_NO_VBOXDRV=1