Page 16 - Computer Genius Class 06
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Protecting Your Computer From a Computer Malware

                  Malware, or malicious software, is a software made to cause harm to your system. A malware gets
                  installed on a computer  ithout appro al  rom the computer s o ner.

                  Types of Malwares

                  There are different types o  mal are  each ha ing uni ue characteristics.  et s find out.



                                                                         Worm
                                                   Virus




                                                             MALWARE            Trojan
                                                                                Horse




                                                                            Adware
                                                      Spyware



                      Virus:   computer  irus is a program that is a le to copy itsel   hen it is run.  t gets acti ated
                     each time the program or file to  hich it is attached is opened or e ecuted.  t is the most common
                     type o  mal are.  t can spread itsel   y in ecting other programs or files.  t affects the original
                     program, causing it to not work properly.
                      Worm:    orm is similar to  irus  ut it can copy itsel  and spread rapidly to any de ice attached.
                        orm does not need any program to acti ate it.
                      Trojan  Horse:     tro an  horse  is  a  dangerous   irus.   t  represents  itsel   as  help ul  so t are
                     program.  nce the user clic s on it to agree to run it  it gains access to sensiti e data and then
                     modifies   loc s  or deletes the data.  t cannot copy itsel   rom one computer to another.
                      Spyware:     spy are  steals  important  in ormation  and  data  on  the  de ice   such  as  account
                     pass ords or  an  details.  t o ser es the user s acti ity  ithout their  no ledge.

                      Adware:  n ad are trac s user s  ro ser and do nload history and  eeps popping ad ertisements
                     on the screen.





                            n 1     the first  irus  as  ritten  or  indo s  ased   s  y t o  rothers
                            asit and  m ad Faroo   l i   rom  a istan   ho  ere only 1  and 2  years old
                           respecti ely  at the time. They named it   rain .



                  The Most Dangerous Malwares Known

                     Wabbit Virus  1     ma es multiple copies o  itsel  until the system slo s do n and crashes.
                      ILOVEYOU Virus  2      or ed  y sending a  a e  lo e letter  that loo ed li e a harmless te t file.



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