[DJ Mogarych]

Можно через 7-zip:

Код:

$7z = 'C:\Program Files\7-Zip\7z.exe'
$report = @()
dir C:\temp\*.exe |% {
    $obj = [pscustomobject]@{
        Path = $_.fullname
        Checksum = (& $7z h -scrcsha256 $_.fullname) -match 'for data' -replace '.*\s+' -as [string]
    }
$report += $obj
}

Код:

# Выгрузка в CSV
$report |export-csv c:\temp\checksum.csv -Encoding utf8 -Delimiter ';' -NoTypeInformation

gc c:\temp\checksum.csv

"Path";"Checksum"
"C:\temp\DjVuLibre-3.5.28_DjView-4.12_Setup.exe";"16c0a63926d0380280f35c8d9570efe01032c03c262ba61aa72a341b8cb58469"
"C:\temp\handheld_quake_setup.exe";"cdc755bd5052d3b7a4d837e579d932baef2162fcad001479f2214b1506bb43ee"
"C:\temp\LibreELEC.USB-SD.Creator.Win32.exe";"3730ee946845d59d85926d7f55b3149b3ba3fc8db8d2bec319f3c3c635ba9775"