@thetanooki
it is a script which added automatically before </body> tag in every file contains that closing body tag.
UPDATE : they replied to my mail. they said my system has virus and it is affecting it. but fact is my system is virus free. once again i am telling i have so many accounts in other hosts. why they are not affected. and why this account only getting repeated attention.
i asked them these questions. waiting for their reply
i just sent a support ticket,waiting for replay. may i know any one here got this script attack before closing body tag </body>
ofcourse, i have cleaned it completely 4 times till now., but it was attacking again and again.,,
i have latest bitdefender antivirus working perfectly, i have so many sites in many hosts. But getting affect only for these 2 blogs. Remaining sites are working fine in other hosts.