MSDN article The following sample VBScript code will verify a Signed file: Dim Signer, File, ShowUI, FileOK Set Signer = CreateObject(“Scripting.Signer”) File = “c:\newfile.wsf” ShowUI = True FileOK = Signer.VerifyFile(File, ShowUI) If FileOK Then WScript.Echo File & ” is trusted.” Else WScript.Echo File & ” is NOT trusted.” End If