SEP Detects same executable file with two different malware name

SEP is detecting same executable file with two different Risk name. Please help us understand  why this happens.

Log 1:

Infection Path:
c:\Users\XXXX\Downloads\ue_chinese_22.10.0.12@81_94683.exe

Risk name: WS.Malware.2

Log 2:

Infection Path:
C:\Users\XXXX\Downloads\ue_chinese_22.10.0.12@81_94683.exe

Risk Name:  Trojan.Gen.2

Note: Drive letter is upper case in the second log. I searched regarding couldn't come to conclusion whether it is bug or some other thing in windows ( Ref:  hxxp://www.ghisler.ch/board/viewtopic.php?t=12796 )