One of the sites i manage was recently attacked by the joomla pharma virus. Almost impossible to get rid of. Since installing RS Firewall everything is working fine. Had a problem with a looping system check iwith RS Firewall on another site i look after. The support at RS Joomla was above and beyond the call of duty. They went through ALL the extensions on the site to find out what the problem was, must have taken hours and hours and found what was causing the issue.
10/10 for customer service.
Best i have experienced with any extension.
Highly recommend both the products and the company.