H Enrique_hyd,
I am Dave, I will help you with this.
That registry key contains the entries for the uninstallers for software installed on your PC
DXMRuntime - DirectX Media Runtime
DirectDrawEx - Direct Draw Runntime
MPlayer2 is a hot fix from the pre-installed Windows Media player
The only one that may be dangerous is MobileOptionPack it does seem to be related to a trojan
Have you performed a full scan of your PC with Defender or your preferred anti-virus?