Today, the more network connections that a company has, the more likely that an outsider finds out a way to intrude the network. Use of remote access and wireless networks might deploy against the network. Organizations that use any one of these are twice as likely to have detected attempts to penetrate their network as those do not. One of the countermeasures that is taken to lessen security penetration, is the antivirus, which should be named a malware scanner as it can detect different malware including worms and Trojans, not only viruses. This study is evaluating of the efficiency of...