unknown_html_RFI_shell malcode on site...

See: https://www.virustotal.com/nl/url/ef6a3159a350537134c595564e102ecd6bdd74cc2f39a585ebd70341d8d7a3eb/analysis/1421536868/
see: Web application version:
Joomla Version 3.3.5 for: htxp://gvc.com.ec/1//media/media/js/mediamanager.js
cPanel version 11.38.2.23 outdated: Upgrade required.
Outdated cPanel Found: cPanel 11.38.2.23
IP badness history: https://www.virustotal.com/nl/ip-address/204.93.168.132/information/
/1/t3-assets/js/js-a4566.js?t=186
Severity: Potentially Suspicious
Reason: Detected procedure that is commonly used in suspicious activity.
Details: Too low entropy detected in string [[‘0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000’]] of length 100 which may point to obfuscation or shellcode.
Threat dump: http://jsunpack.jeek.org/?report=85df40b7169ee556a6bae9c39062407e858cece3 (syntax errors functional group)
Threat dump MD5: CDCF05D1FC31DF74C1FEDEA75080CEDD
File size[byte]: 515476
File type: ASCII
Page/File MD5: 8F2F42883D73EFC3E21D38E08F135BBB
Scan duration[sec]: 62.266000

polonus