System security components
com.miui.guardprovider
Removing this package will very likely break any app installation/update.
Before removing, disable security things in MIUI security app.
On HyperOS this module is responsible for showing the 'Install via USB' prompt when installing apps via ADB (enabled through developer options, requires Mi account the first time).
Guard Provider security app
The app includes 3 different antivirus brands built in that the user can choose (Avast, AVL and Tencent).
This app notably performs a virus scan of any apps you want to install.
A serious vulnerability was found in 2019.
You may want to remove this app from a privacy stance.