My bad, the SurfaceProUeFI_20500FA file is a .cap.
That's one that I have. Where all did it go? It looks like the download is just copied directly without being "unpacked" further. So, how would it be used? My guess would be parametericly, which then would be another reason for getting your WMI database fixed.
PS>cd\
PS>LS -RE -Fi *.cap -Fo -EA:SilentlyContinue | ft LastWriteTime, Length, FullName -AutoSize -Wrap
LastWriteTime Length FullName
------------- ------ --------
2018-07-10 19:07:36 C:\Users\Rob\AppData\Local\Packages\Microsoft.Windows.CapturePicker_cw5n1h2txyewy
2018-02-17 09:14:50 659456 C:\Users\Rob\Downloads\SurfacePro2_Win10_160501_2\SurfacePro2_Win10_160501_2\Firmware\EC\SurfaceProEC_240150.cap
2018-02-17 09:14:50 909312 C:\Users\Rob\Downloads\SurfacePro2_Win10_160501_2\SurfacePro2_Win10_160501_2\Firmware\SAM\SurfaceProSAM_2040450.cap
2018-02-17 09:14:50 16781312 C:\Users\Rob\Downloads\SurfacePro2_Win10_160501_2\SurfacePro2_Win10_160501_2\Firmware\UEFI\SurfaceProUEFI_20500FA.cap
2018-07-10 19:33:20 C:\Users\Robert\AppData\Local\Packages\Microsoft.Windows.CapturePicker_cw5n1h2txyewy
2014-04-10 22:22:06 659456 C:\Windows\Firmware\SurfaceProEC_240150.cap
2015-11-18 00:27:28 909312 C:\Windows\Firmware\SurfaceProSAM_2040450.cap
2015-04-14 00:46:34 16781312 C:\Windows\Firmware\SurfaceProUEFI_20500FA.cap
2014-04-10 22:22:06 659456 C:\Windows\System32\DriverStore\FileRepository\surfaceproec.inf_amd64_6745a8f966a5f1a7\SurfaceProEC_240150.cap
2015-11-18 00:27:28 909312 C:\Windows\System32\DriverStore\FileRepository\surfaceprosam.inf_amd64_f96802d31b5b2b4c\SurfaceProSAM_2040450.cap
2015-04-14 00:46:34 16781312 C:\Windows\System32\DriverStore\FileRepository\surfaceprouefi.inf_amd64_c28d4717715eed35\SurfaceProUEFI_20500FA.cap
2018-07-10 18:46:43 C:\Windows\SystemApps\Microsoft.Windows.CapturePicker_cw5n1h2txyewy