Le contenu du eval ligne 22 de http://nopaste.nl/jvnEwEpL5a donne ça :
/*

(function(){function h(e){try{cookieArray=[];for(var b=/^\s?incap_ses_/,d=document.cookie.split("\x3b"),c=0;c<d.length;c++)key=d[c].substr(0,d[c].indexOf("\x3d")),value=d[c].substr(d[c].indexOf("\x3d")+1,d[c].length),b.test(key)&&(cookieArray[cookieArray.length]=value);cookies=cookieArray;digests=Array(cookies.length);for(b=0;b<cookies.length;b++){for(var g=e+cookies[b],c=d=0;c<g.length;c++)d+=g.charCodeAt(c);digests[b]=d}res=e+"\x2c\x64\x69\x67\x65\x73\x74\x3d"+digests.join()}catch(k){res=e+"\x2c\x64\x69\x67\x65\x73\x74\x3d"+encodeURIComponent(k.toString())}e=
res;g=new Date;g.setTime(g.getTime()+2E4);document.cookie="\x5f\x5f\x5f\x75\x74\x6d\x76\x63\x3d"+e+("\x3b\x20\x65\x78\x70\x69\x72\x65\x73\x3d"+g.toGMTString())+"\x3b\x20\x70\x61\x74\x68\x3d\x2f"}function l(e){for(var b=[],d=0;d<e.length;d++){var c=e[d][0];switch(e[d][1]){case "\x65\x78\x69\x73\x74\x73\x5f\x62\x6f\x6f\x6c\x65\x61\x6e":try{"\x75\x6e\x64\x65\x66\x69\x6e\x65\x64"!=typeof eval(c)?b[b.length]=encodeURIComponent(c+"\x3d\x74\x72\x75\x65"):b[b.length]=encodeURIComponent(c+"\x3d\x66\x61\x6c\x73\x65")}catch(g){b[b.length]=encodeURIComponent(c+"\x3d\x66\x61\x6c\x73\x65")}break;case "\x65\x78\x69\x73\x74\x73":try{b[b.length]=encodeURIComponent(c+"\x3d"+typeof eval(c))}catch(k){b[b.length]=encodeURIComponent(c+
"\x3d"+k)}break;case "\x76\x61\x6c\x75\x65":try{b[b.length]=encodeURIComponent(c+"\x3d"+eval(c).toString())}catch(h){b[b.length]=encodeURIComponent(c+"\x3d"+h)}break;case "\x70\x6c\x75\x67\x69\x6e\x73":try{p=navigator.plugins;pres="";for(a in p)pres+=(p[a].description+"\x20").substring(0,20);b[b.length]=encodeURIComponent("\x70\x6c\x75\x67\x69\x6e\x73\x3d"+pres)}catch(l){b[b.length]=encodeURIComponent("\x70\x6c\x75\x67\x69\x6e\x73\x3d"+l)}break;case "\x70\x6c\x75\x67\x69\x6e":try{for(i in a=navigator.plugins,a)if(f=a[i].filename.split("\x2e"),2==f.length){b[b.length]=encodeURIComponent("\x70\x6c\x75\x67\x69\x6e\x3d"+f[1]);break}}catch(m){b[b.length]=
encodeURIComponent("\x70\x6c\x75\x67\x69\x6e\x3d"+m)}}}return b=b.join()}var m=[["\x6e\x61\x76\x69\x67\x61\x74\x6f\x72","\x65\x78\x69\x73\x74\x73\x5f\x62\x6f\x6f\x6c\x65\x61\x6e"],["\x6e\x61\x76\x69\x67\x61\x74\x6f\x72\x2e\x76\x65\x6e\x64\x6f\x72","\x76\x61\x6c\x75\x65"],["\x6f\x70\x65\x72\x61","\x65\x78\x69\x73\x74\x73\x5f\x62\x6f\x6f\x6c\x65\x61\x6e"],["\x41\x63\x74\x69\x76\x65\x58\x4f\x62\x6a\x65\x63\x74","\x65\x78\x69\x73\x74\x73\x5f\x62\x6f\x6f\x6c\x65\x61\x6e"],["\x6e\x61\x76\x69\x67\x61\x74\x6f\x72\x2e\x61\x70\x70\x4e\x61\x6d\x65","\x76\x61\x6c\x75\x65"],["\x70\x6c\x61\x74\x66\x6f\x72\x6d","\x70\x6c\x75\x67\x69\x6e"],["\x77\x65\x62\x6b\x69\x74\x55\x52\x4c","\x65\x78\x69\x73\x74\x73\x5f\x62\x6f\x6f\x6c\x65\x61\x6e"],["\x6e\x61\x76\x69\x67\x61\x74\x6f\x72\x2e\x70\x6c\x75\x67\x69\x6e\x73\x2e\x6c\x65\x6e\x67\x74\x68\x3d\x3d\x30","\x76\x61\x6c\x75\x65"],["\x5f\x70\x68\x61\x6e\x74\x6f\x6d","\x65\x78\x69\x73\x74\x73\x5f\x62\x6f\x6f\x6c\x65\x61\x6e"]];try{h(l(m)),document.createElement("\x69\x6d\x67").src="\x2f\x5f\x49\x6e\x63\x61\x70\x73\x75\x6c\x61\x5f\x52\x65\x73\x6f\x75\x72\x63\x65\x3f\x53\x57\x4b\x4d\x54\x46\x53\x52\x3d\x31\x26\x65\x3d"+Math.random()}catch(n){img=document.createElement("\x69\x6d\x67"),img.src="\x2f\x5f\x49\x6e\x63\x61\x70\x73\x75\x6c\x61\x5f\x52\x65\x73\x6f\x75\x72\x63\x65\x3f\x53\x57\x4b\x4d\x54\x46\x53\x52\x3d\x31\x26\x65\x3d"+
n}})();

*/
Je n'ai pas le temps plus déoffusquer mais en tout cas, il y a du traitement de cookie et la création d'une images.
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