Windows 10: Wuauserv registry keeps getting deleted everytime i restart.

So recently my brother who plays a lot of games happened to download a suspicious program from the internet.

After that windows update and windows security stopped working.

Ive been trying to search online for help but none of those solutions seem to work.
Windows update and windows defender antivirus seems to be deleted from services and i cant find them on registry either.
I tried adding wuauserv manually with working registry and windows update started to work but not for long.
As soon i as i restarted my computer, those registries were gone. I even tried resetting my pc but windows update and windows defender doesnot work at all.
I can send you the link of the program he installed as well if youd like.
I hope some of you can help me.

:)

 

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I am getting very frustrated with gpu-z

Thanks for the suggestions, everyone.

I have been trying to delete this program for 2 days solid. I've gone into the Admin. Tools>Startup, I've tried the Norton Start up list, I've combed all through the hard drive, but it is not there. It is in the registry, but it will NOT DELETE! I can't believe this. Not even deletion through the registry can take this thing off my system. I'm gonna try a restore, because that's about the only thing I haven't tried yet. But if it can't be deleted through the registry, I'm not that hopeful for Restore to affect it. I'll post my results.