sıkıntı olan dosyayı buldum virustotal ile taratıp

http://prntscr.com/b8lqe5

burda zararlı kod nerede acaba

işin garibi wordpress orjinal dosyasında da bunu shell olarak görüyor
Alıntı
-/*!
- * Masonry v2 shim
- * to maintain backwards compatibility
- * as of Masonry v3.1.2
- *
- * Cascading grid layout library
- * http://masonry.desandro.com
- * MIT License
- * by David DeSandro
- */
!function(a){"use strict";var b=a.Masonry;b.prototype._remapV2Options=function() {this._remapOption("gutterWidth","gutter"),this._r emapOption("isResizable","isResizeBound"),this._re mapOption("isRTL","isOriginLeft",function(a){retur n!a});var a=this.options.isAnimated;if(void 0!==a&&(this.options.transitionDuration=a?b.protot ype.options.transitionDuration:0),void 0===a||a){var c=this.options.animationOptions,d=c&&c.duration;d& &(this.options.transitionDuration="string"==typ eof d?d:d+"ms")}},b.prototype._remapOption=function(a, b,c){var d=this.options[a];void 0!==d&&(this.options[b]=c?c(d):d)};var c=b.prototype._create;b.prototype._create=function (){var a=this;this._remapV2Options(),c.apply(this,argumen ts),setTimeout(function(){jQuery(a.element).addCla ss("masonry")},0)};var d=b.prototype.layout;b.prototype.layout=function() {this._remapV2Options(),d.apply(this,arguments)};v ar e=b.prototype.option;b.prototype.option=function() {e.apply(this,arguments),this._remapV2Options()};v ar f=b.prototype._itemize;b.prototype._itemize=functi on(a){var b=f.apply(this,arguments);return jQuery(a).addClass("masonry-brick"),b};var g=b.prototype.measureColumns;b.prototype.measureCo lumns=function(){var a=this.options.columnWidth;a&&"function"==typeof a&&(this.getContainerWidth(),this.columnWidth=a(th is.containerWidth)),g.apply(this,arguments)},b.pro totype.reload=function(){this.reloadItems.apply(th is,arguments),this.layout.apply(this)};var h=b.prototype.destroy;b.prototype.destroy=function (){var a=this.getItemElements();jQuery(this.element).remo veClass("masonry"),jQuery(a).removeClass("masonry-brick"),h.apply(this,arguments)}}(window);