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. How do Computer Viruses
Spread?
Opening infected e-mail attachments
Accepting file transfers
Trojan delivery
Downloading infected programs or files from the
internet, burned discs, USB flash drives, or other
devices
4. How do Computer Viruses
Spread? (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. 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. What are the Symptoms? (cont)
Fake anti-virus pop ups
http://www.gamefreakzweb.com/2010_04_01_archive.html
7. What are the Symptoms? (cont)
Missing desktop icons
Operating system fails to boot
Error messages
Disk space full
http://blog.superuser.com/2012/02/17/wtfriday-what-happens-when-windows-runs-out-of-disk-space/
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. 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. Computer Viruses
Works Cited
Blue 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>