maps.exe is a program which is most likely NOT a virus or malware. So, if maps.exe is on your system, it is most likely ok, and will NOT cause problems. Even if your system is clean, it is still recommended to use a good antivirus with a good track record, in order to defend your system against potential security problems.
Normally, this application is found in C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1706.2001.0_x64__8wekyb3d8bbwe\Maps.exe.
The MD5 checksum for this program is 138833c8dbfa469dce0e9344abdc9649.
This application is NOT a Windows service. This is very good.
This program uses the net to communicate. Today this is quite normal. For example, most of the programs on your computer check for new updates. For this, Internet communications are required.
64-bit code has been detected. This application can exploit the full power of a modern computer processor.
maps.exe appears to have visible windows. This is good because it doesn't run in a kind of invisible mode. Its operation is clearly shown to you.
A digital signature is missing from this program. The maker did not sign it. This is probably bad.
This application does NOT have a removal routine stored in registry.