The use of web applications has increased steadily over recent years and they are now essential in many areas. These web applications are susceptible to malicious software commonly known as Malware.  The consequences of Malware attack are often devastating to businesses and individuals.. Malware, particularly bots, are getting more and more sophisticated and their number, types and variants released are increasing at an alarming pace.  To counter these threats, there are many malware detection and prevention approaches. These approaches have to be updated continuously to keep up with the growing sophistication of malware. There is a big market for anti-malware as all the organizations and individuals using  the web applications need the protection against malware attacks.