Internet Safety for StudentsMalicious Programs

By: Mr. BradshawScott City R-1 Schools

What Should We Be Concerned About?

• Malware• Viruses• Worms• Trojan horse• Spyware• Adware

What is Malware

• Any software which gets installed for a bad purpose

• Includes viruses, worms, trojan horses, spyware and adware

What is a Computer Virus?

• Attaches to program or file• Spreads from one computer to another• Can damage computer• Usually an executable• Usually spread through sharing files or e-mails

with attachments

What is a Worm?

• Similar to Virus• Can travel without human interaction• Can replicate itself

What is a Trojan Horse

• Tries to trick you into thinking it’s helpful program

• Will cause damage to your system• Can do bad or REALLY bad things to computer– Can change desktop wallpaper– Can destroy essential computer files– Can open backdoor to computer, allowing people

to hack your computer

Spyware

• Program installed on your machine• Will monitor user activity• Can be used to get important personal

information• Can cause system slowdown

What is Adware?• Program to spy on Internet activity• Provides advertisements to your computer,

without your consent• Usually exists as pop-ups, or other obtrusive

ads

How to Prevent Bad Software

• Protect Yourself• Use Anti-Virus Programs to protect• Run Malwarebytes to remove• BE AWARE OF INTERNET ACTIVITY!

Free Programs to Protect You

• Anti-Virus: AVG• Anti-Virus: Microsoft Security Essentials

(recommended)• Malware Removal: Malwarebytes• Anti-spyware: Spybot• When all else fails: Hijackthis! (and send to

helpful people who know what to do)