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     Amiga Virus Encyclopedia
     Dotty Virus
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     Name         : Dotty

     Aliases      : No Aliases

     Clones       : Genetic Protector

     Type         : Bootblock
     
     Size         : 1024 bytes

     Symptoms     : No Symptoms

     Discovered   : 17 january 1992

     Way to infect: Boot infection

     Rating       : Less Dangerous

     Kickstarts   : 1.2
                    1.3
                    2.0

     Damage       : Overwrites boot

     Visible text : In the top you can read:
                    - -*< Dotty by P.A.L >*- -

                    In the end of the bootblock you can read:
                    Made by the mysterous RT for P.A.L.
                    (People Against Lamness)   Watch for your
                    mousepointer. It might go nuts or fuck up
                    your screen   Greetz only to the BEST OF
                    THE BEST: Vision. Skid Row. Kefrens. Flash.
                    Scoopex. Fica.     

     Comments     : The  Dotty  virus  copies  always  to  the same memory
                    address => $7F000. It uses the DoIO()-Vector to infect
                    other  disks.  Furthermore  the  virus  uses the KICK-
                    Vectors to stay resident in memory. 

                    If  the  virus  infects  a disk,  a  new patch will be
                    installed  in  the  Vec5-Vector => $94(A6). This patch
                    checks if a special value reaches 21000. If this value
                    is  now reaching 21000 (^see above) the virus executes
                    a GFX-Routine. But this routine is sooo LAME coded (HA
                    HAHA) that you will only getan ENDLESS-LOOP.

     Removal      : Kickstart 1.2 & 1.3 : VT-Schutz v3.17
                    Kickstart all others: VirusZ III with Xvs.library installed
     
     Test made by : Safe Hex International
     
     
     Ascii of Dotty virus: