Adware: Typically, adware components install alongside a shareware or freeware application and bring targeted advertisements to your computer. These advertisements create revenue for the software developer. Adware displays web-based advertisements through pop-up windows or through annoying advertising banners. Browser Helper Object: A Browser Helper Object (BHO) may appear as a helpful browser toolbar within Microsoft Internet Explorer (IE). Malicious BHO’s can change your default home page to point to some other site or send histories of your web-browsing habits to third-parties for the purposes of targeted advertising. Browser Hijackers: Browser hijackers can alter your browser settings or change your default home page to point to some other site. They are also capable of sending your personal information to third-parties. Because they can appear as part of IE itself, hijackers can go undetected by firewall software. Dialers: Generally, dialers are software designed to dial phone numbers. Some dialers connect to Internet Service Providers (ISPs) and are designed to provide genuine assistance. However, malicious dialers can attempt to connect you to long-distance or toll numbers without your consent, resulting in expensive phone bills. Keyloggers: These are programs that run in the background on your computer and are capable of recording every...