$ProcessName='MsMpEng'
$ServiceName='WinDefend'

$p=Get-Process $ProcessName -ErrorAction SilentlyContinue
$os=Get-CimInstance Win32_OperatingSystem

if($p){
    $u=(Get-Date)-$p.StartTime
    $su=(Get-Date)-$os.LastBootUpTime
    $c=Get-CimInstance Win32_Process -Filter "ProcessId=$($p.Id)"
    $svc=Get-CimInstance Win32_Service -Filter "Name='$ServiceName'"
    $path=if($svc){$svc.PathName -replace '^"([^"]+)".*$','$1'}
    $vi=if($path -and (Test-Path $path)){[System.Diagnostics.FileVersionInfo]::GetVersionInfo($path)}
    $r=[uint64]$c.ReadTransferCount
    $w=[uint64]$c.WriteTransferCount
    $o=[uint64]$c.OtherTransferCount

    [PSCustomObject]@{
        'Process Name'=$p.ProcessName
        'Display Name'=$vi.FileDescription
        'Executable'=$path
        'CPU Time'="{0:N4} s"-f $p.CPU
        'Working Set'="{0:N1} MB"-f($p.WorkingSet64/1MB)
        'Private Memory'="{0:N1} MB"-f($p.PrivateMemorySize64/1MB)
        'I/O Read'="{0:N2} MB"-f($r/1MB)
        'I/O Write'="{0:N2} MB"-f($w/1MB)
        'I/O Total'="{0:N2} MB"-f(($r+$w+$o)/1MB)
        'Page Faults'=$c.PageFaults
        'System Uptime'="{0}d {1:00}h {2:00}m {3:00}s"-f$su.Days,$su.Hours,$su.Minutes,$su.Seconds
        'Process Uptime'="{0}d {1:00}h {2:00}m {3:00}s"-f$u.Days,$u.Hours,$u.Minutes,$u.Seconds
    }
}