You can be blacklisted from some search engines if you have malware-infected pages on your website. HAFEATURES can provide the solution. It detects the infected code and show you what the infection is (so you can remove it) before the search engines find it and blacklist you from their search results. Being blacklisted can take a very long time to recover from, so malware scanning is essential if your site relies on search engine traffic.
The word botnet stems from the two words robot and network. A botnet is a collection of Internet-connected programs communicating with other similar programs in order to perform automatic tasks.When infected by a virus/malware, a computer/server can be turned into a Botnet and run automatic programs without you noticing anything. In this case, your computer is called a "zombie".