Hi, I am Van. I'm an Independent Advisor and a Windows user like you. I'll be glad to help you today.
Yes, it is normal, those are SID generated by the system. The one in the screenshot is a Capability SID which grants the app permission to access or use certain resources in the system. Kindly check the link below for more detail about SID.
https://docs.microsoft.com/en-us/troubleshoot/w...
Best regards,
Van