Powershell script to find executables in Public folder

$erroractionPreference="stop"

$pcs = Get-ADComputer -Filter "Name -like '*'" | select-object name

$pccount = $pcs.Count

$counter = 1

foreach ($pc in $pcs) {

    $computername = $pc.name

    if(Test-Connection -ComputerName $computername -Count 1 -Quiet){

        Try

        {

            $path = "\\" + $computername + "\c$\users\public"

            Write-Host $counter" of "$pccount" Searching "$path

            $files = Get-ChildItem -Path $path | Where-Object {$_.Name -match "\.(exe|jar|msi|zip|js|vbs|ps1|bat|py|rar|hta)$" } | select fullname

            foreach($file in $files){

                Get-FileHash -Algorithm md5 $file.FullName | select Path, @{l=",";e={","}}, Hash | Format-Table -AutoSize

            }

        }

        Catch

        {

        Write-Host $counter" of "$pccount" Search Error "$computername

        }

    }

    else{

        Write-Host $counter" of "$pccount" Search Connection Failure "$computername

    }

    $counter++

}