microsoft.photos.exe is a program which is most likely NOT a virus. So, if microsoft.photos.exe is on your computer, it is most likely ok, and will NOT cause problems. Even if your system is clean, we still advise you to use a well-known antivirus with a good detection rate, in order to defend your PC against viruses and malware.
This application is usually stored on disk in C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2017.39081.15820.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe.
The MD5 fingerprint for this executable is c7e1c4e319be9427382b86bbe91c7500.
This application is NOT a Windows service. This is good.
This application uses the net to communicate. In this day and age this is quite normal. For example, most of the apps on your computer check for updates. For this, Internet communications are required.
This is a x64 executable. It uses the full capacity of modern computer processors.
microsoft.photos.exe appears to have visible windows. This is good because it doesn't work in some kind of stealth mode. Its activity is clearly shown to you.
A digital signature is missing from this program. The maker did not bother to sign it. This is probably bad.
This program does NOT have an uninstall command set up in registry.