hyperv-modules-4.7.0-1-amd64-d software package provides Hyper-V modules, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install hyperv-modules-4.7.0-1-amd64-d
hyperv-modules-4.7.0-1-amd64-d is installed in your system.
Make ensure the hyperv-modules-4.7.0-1-amd64-d package were installed using the commands given below,
$ sudo dpkg-query -l | grep hyperv-modules-4.7.0-1-amd64-d*
You will get with hyperv-modules-4.7.0-1-amd64-d package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | debian-installer udeb packages |
| Package | hyperv-modules-4.7.0-1-amd64-d |
| Version | 4.7.8-1 |
| Description | Hyper-V modules |
| Sub Section | Debian-installer |