What happens when you go into Settings, Apps , Choose the app and try uninstallung it @starshine
Does any notification pop up.
This link may help > https://fixyourandroid.com/about/svc-agent/
If you tap on the icon and choose show system Apps it should show to uninstall.
If not you may need to back up and factory reset however if the app is somehow baked into your back up you may need to set the phone up as new and not use your back up.
You can get your apps from the Playstore in your MyLibrary.
I'd also suggest to change all your passwords especially for sensative ones sjchbas Internet banking.
Remove passwords from your Samsung Pass section too.
If I can be of any further help then please don't hesitate. Take care. 😎
Daily Driver > Samsung Galaxy s²² Ultra 256Gb in Phantom Black.
The advice I offer is my own and does not represent Samsung’s position.
I'm here to help.
@starshine: While I don't know the exact function of SVC Agent, I have spoken with some of my colleagues, and they have confirmed that it is also present on their Samsung devices. As @Fiona26 has also verified that it is on her partners device, and her own, it is likely to be a standard feature of the Android OS.