1 Spyware, Adware, and Browser Hijacking. ECE 41122 Agenda What is Spyware? What is Adware? What is Browser Hijacking? Security concerns and risks Prevention,

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Presentation transcript:

1 Spyware, Adware, and Browser Hijacking

ECE Agenda What is Spyware? What is Adware? What is Browser Hijacking? Security concerns and risks Prevention, detection, and recovery Lab discussion

ECE Spyware A program that secretly monitors your actions Technology that collects information about a person or organization without their knowledge Most spyware is focused on vulnerabilities in Microsoft applications (Internet Explorer)

ECE How is Spyware spread? Viruses can place spyware in a computer Installation of new program Web browsing  Cookies are considered by some to be a form of spyware  Deceptive pop-up windows

ECE Adware Application used to display advertisements to computer users Many adware programs contain spyware to track and target users Generally spread through freeware programs funded by advertising Examples: AIM, Hotmail, WeatherBug

ECE Browser Hijacking Covers a range of malicious software used to manipulate web browser software Generally the settings of your web browser are modified  change your home page  add new sites to your favorites Prevent access to certain website Disable anti-virus and anti-spyware software

ECE Gator Ad Insertion Network (GAIN) The widest spread form of adware “free programs” install different variants of this ad serving software These advertisements provide revenue for the company called Claria Claria is just the latest name change for this extremely hated company

ECE Symptoms Computer seems to have a mind of its own  Computer is running slower  Hard drive is spinning even when system is not in use  Other changes are noticeable that users did not make Annoying advertisements  Notice when pop-ups occur (online or offline)

ECE Prevention Use secure browser and application settings  Correctly setup ActiveX components Be careful of what you download Close suspicious pop-ups and programs correctly Avoid file sharing applications Use pop-up blockers and spyware prevention applications Firewalls

ECE Detection and Removal Easiest method is with spyware scanning and removal tools  Spybot S&D  Ad-aware  HiJack This Manual removal  Editing the registry  Add/Remove programs Removal from a clean environment  Bart PE

ECE Anti-Spyware Software Scans the local storage devices for known spyware and adware definitions Allows users to quarantine and then remove any detected files Different types of anti-spyware software focus in on different areas of vulnerabilities Spybot S&D, Ad-aware, and HiJack This are some of the more popular anti-spyware software

ECE Bart PE (Preinstalled Environment) Bart’s Bootable Windows CD used for various maintenance tasks Provides a complete Win32 environment to work from  Graphical Interface  File system support  Network Support Excellent in assisting with recovery and scanning of systems

ECE Lab Outline Introduce spyware into your system Perform various scans and recovery exercises using different methods  Automated removal through anti-spyware software  Manual removal – registry editing, Bart PE Test some preventive software and techniques Future additions: Browser Hijacking

ECE Questions?