Outdated software. so site suspicious?

Site is not being blocked by avast!

See: http://zulu.zscaler.com/submission/show/c4eba5ef891d3a54794f0e76c4d7ce99-1393715777
See: http://sitecheck.sucuri.net/scanner/?scan=http%3A%2F%2Fdentosluxe.ru%2F
redirect: http://maldb.com/dentosluxe.ru/https://www.virustotal.com/nl/url/015f5bd0c5bd5c9f6fd5e56c57cf409f3b40a496670710e53a44baf24065e3b3/analysis/
http://urlquery.net/report.php?id=9731900 → Detected a Dynamic DNS URL

Detected: https://www.virustotal.com/nl/url/888bac0fa1e167b7506bf801ca44cbc5d657a4090948834a263266a08c4050e6/analysis/1393716364/

WordPress version: WordPress 3.5.1
Wordpress Version 3.5 based on: htxp://dentosluxe.ru//wp-admin/js/common.js
WordPress directory: htxp://dentos-luxe.ru/wp-content
WordPress theme: htxp://dentos-luxe.ru/wp-content/themes/dentos/
WordPress version outdated: Upgrade required.

Javascript Check - suspcious x-pingback: htxp://dentos-luxe.ru/xmlrpc.php ð¡ñ�ð¾ð¼ð°ñ�ð¾…

Included scripts Suspect - please check list for unknown includes → http://zulu.zscaler.com/submission/show/c4eba5ef891d3a54794f0e76c4d7ce99-1393715777

404 error check: Suspicious

Suspicious 404 Page:
.ru/xmlrpc dot php expires: wed, 11 jan 1984 05:00:00 gmt cache-control: no-cache, must-revalidate, max-age=0 pragma: no-

polonus