Computer Viruses         The Basics
What are Computer Viruses?   Codes written by programmers   Replicate within the host computer   Spread via cyber-conta...
How do Computer VirusesSpread?   Opening infected e-mail attachments   Accepting file transfers   Trojan or worm delive...
How do Computer VirusesSpread? (cont)   Downloading or using pirated    programs, images, movies,    music, or other file...
What are the Symptoms?   Unstable functioning of systems or programs   Corrupted files and data   Missing programs or f...
What are the Symptoms? (cont)   Fake anti-virus pop ups           http://www.gamefreakzweb.com/2010_04_01_archive.html
What are the Symptoms? (cont)   Missing desktop icons   Operating system fails to boot   Error messages   Disk space f...
What are the Symptoms? (cont)   Programs fail to launch   Websites are redirected or blocked   Genuine anti-virus compa...
What are the Symptoms? (cont)   Operating system crashes    The Blue Screen of Death          http://the-black-wolf-co-uk...
Computer Viruses                                         Works CitedBlue Screen of Death. PNG. <http://the-black-wolf-co-u...
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Computer viruses

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Transcript of "Computer viruses"

  1. 1. Computer Viruses The Basics
  2. 2. What are Computer Viruses? Codes written by programmers Replicate within the host computer Spread via cyber-contact  E-mail  Downloads  Networking Can be both malicious or benign Have the potential to cause serious damage
  3. 3. How do Computer VirusesSpread? Opening infected e-mail attachments Accepting file transfers Trojan or worm delivery Downloading infected programs or files from the internet, burned discs, USB flash drives, or other removable media
  4. 4. How do Computer VirusesSpread? (cont) Downloading or using pirated programs, images, movies, music, or other files that are infected Downloading programs that come with add-ons that contain viruses Infected Computer networks
  5. 5. What are the Symptoms? Unstable functioning of systems or programs Corrupted files and data Missing programs or files Appearance of unknown programs or files
  6. 6. What are the Symptoms? (cont) Fake anti-virus pop ups http://www.gamefreakzweb.com/2010_04_01_archive.html
  7. 7. What are the Symptoms? (cont) Missing desktop icons Operating system fails to boot Error messages Disk space fullhttp://blog.superuser.com/2012/02/17/wtfriday-what-happens-when-windows-runs-out-of-disk-space/
  8. 8. What are the Symptoms? (cont) Programs fail to launch Websites are redirected or blocked Genuine anti-virus company websites are blocked Slow PC speed
  9. 9. What are the Symptoms? (cont) Operating system crashes The Blue Screen of Death http://the-black-wolf-co-uk.deviantart.com/art/The-Blue-Screen-Saver-of-Death-47473826
  10. 10. Computer Viruses Works CitedBlue Screen of Death. PNG. <http://the-black-wolf-co-uk.deviantart.com/art/The-Blue-Screen- Saver-of-Death-47473826>Edison, George. disk_properties. PNG. <http://blog.superuser.com/2012/02/17/wtfriday-what- happens-when-windows-runs-out-of-disk-space/>OCAL. Compact Disc 2. Rolera, LLC.PNG. < http://www.clker.com/>OCAL. Computer Virus Character. Rolera, LLC.PNG. < http://www.clker.com/>OCAL. Cassette Bones. Rolera, LLC.PNG. < http://www.clker.com/>OCAL. Firefox. Rolera, LLC.JPG. < http://www.clker.com/>OCAL. Mail Attachment. Rolera, LLC.PNG. < http://www.clker.com/>OCAL. USB Thumbdrive. Rolera, LLC.PNG. < http://www.clker.com/>Saadi. Search. Rolera, LLC.PNG. < http://www.clker.com/>Tina. Example 1. Game FreakZ. PNG. <http://www.gamefreakzweb.com/ 2010_04_01_archive.html>Tina. Example 3. Game FreakZ. PNG. <http://www.gamefreakzweb.com/ 2010_04_01_archive.html>

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