Here the website was reported to be infested and found to have outdated CMS software, and the website was reported reinfected, and now again:
http://sitecheck.sucuri.net/scanner/?scan=http%3A%2F%2Fwww.hetplatteputje.nl
Joomla Version: 1.6.1
Joomla Version 1.5.18 - 1.5.26 for: htxp://www.hetplatteputje.nl/media/system/js/caption.js
Joomla Version 1.5.18 to 1.5.26 for: htxp://www.hetplatteputje.nl/language/en-GB/en-GB.ini
Joomla version outdated: Upgrade required.
PHP-includer-N trojam OVERDUE! on IP: http://support.clean-mx.de/clean-mx/viruses?id=16386400
which avast! is detecting of-course: https://www.virustotal.com/nl/file/816aa8307c1e060a7cb254e3fc4403d826940d624f6535a4014dd1f3c8040c25/analysis/
Read about this here: https://www.badwarebusters.org/main/itemview/34432 analysis comments there from Bruce Jackson from www.websicherheit.at
External links are checked to be clean.
This would have stopped most browsers from going to site: http://safebrowsing.clients.google.com/safebrowsing/diagnostic?site=hetplatteputje.nl
but it seems now site has been cleansed: http://www.hetplatteputje.nl/ → http://sitecheck2.sucuri.net/results/www.hetplatteputje.nl/
See: http://zulu.zscaler.com/submission/show/6269aac49640a9a97745b612d40600df-1394383941
polonus