What is it?
Windows Management Service -winmgmt.exe
What does winmgmt.exe do?
Direct quote from THIS MS Doc:
A core component of client management. This process starts when the first client application connects, or when management applications request its services.
Search MS for more info: Link
The original winmgmt.exe from Microsoft gets placed at C:WINDOWSSystem32winmgmt.exe . if you find it anywhere else then you should be suspicious for sure.
You'll want to keep an eye on this google search for any known viruses. Currently there've been 0 reports. Everything in that search isn't related to this particular file.