C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
Properties -
Size: 440 KB (451,072 bytes)
Version: 10.0.10586.0
Dated: 10/30/2015 3:19 AM
Language: English (United States)
MD5: 679d4a662b57b0079fbd409dab6cc830
Manually scanned with Avast version 12.2.2276 (build 12.2.3126.2) - No threat detected.
Official download and install from Microsoft?