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Virus and Anti-virus - Coggle Diagram
Virus and Anti-virus
Symptoms
Runs more slowly
Stops responding
Disk(drives) are inaccessible
Crashes
Unusual Errors
Distorted menus
Program disappears
Strange sounds randomly appear
Cannot print correctly
New icons appear
Types
Boot sector
Program Virus
Macro computer virus
Multipartite virus
Polymorphic virus
Computer Viruses
Man-made
Destructive software program
Form multiple copies inside other computers
A virus
May corrupt / Delete data
What Viruses Cannot Do
Infect CD-ROMs or written document
Infect compressed files
Unless the file is infected
Physical damage
Macintosh viruses dont infect DOS/Windows
How Does a Virus Spread
Whenever you start up the infected application
Once it's copied onto a computer memory
Some stay active till the computer is shutted down
Some operates everytime
Other harmful programs
Worms
Trojan Horses
Logic Bombs
Spyware