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     Amiga Virus Encyclopedia    
     Gurke Bootvirus 
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     Name         : Gurke

     Other name   : Unknown 4
     
     Type         : Bootblock
     
     Size         : 1024 bytes

     Original     : -

     Symptoms     : No Sypmtoms

     Discovered   : 8 may 2020
     
     Origin       : -

     Way to infect: Boot infection

     Rating       : Middel

     Kickstarts   : 1.3 - Yes
                    2.0 - Yes
                    3.1 - Yes

     Damage       : Overwrites Bootblock

     Symptomatic  : 12 operations detected
                    
     Information  : The checksum changes with each mutation

     Comments     : cmd read from disk:
                    cmp.b  #1,$1D(A1)

                    cmd write to disk:
                    cmp.b  #3,$1D(A1)
                    
                    cmd.format to disk:
                    cmp.b  #$0B.$1D(A1)
                    
     Text in virus: -
     
     Picture      : Displays a picture with the test 'GURKE'
     
     Removal      : VirusZ III, and also Xvs.library must be installed
                    
     Credit       : Thanks to CrashDisk for sending this to Virus Help Team
     
     Test made by : Jan Andersen, Virus Help Team
     

     Picture of the Graffiti Virus:
          
     
     Ascii of Unknown 4 bootblock virus: