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Amiga Virus Encyclopedia
Obelisk Virus
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======= Computer Virus Catalog 1.2: OBELISK Virus (5-June-1990) =======
Entry...............: OBELISK Virus
Alias(es)...........: ---
Virus Strain........: ---
Virus detected when.: August 1988
              where.: Elmshorn, FRG
Classification......: system virus (bootblock), resident
Length of Virus.....: 1. length on storage medium: 1024 byte
                      2. length in RAM           : 1024 byte
--------------------- Preconditions -----------------------------------
Operating System(s).: AMIGA-DOS
Version/Release.....: 1.2/33.180
Computer model(s)...: AMIGA 500, AMIGA 1000, AMIGA 2000A
                         (without any memory expansion only)
--------------------- Attributes --------------------------------------
Easy Identification.: typical text: 'GURU'
                      virus feature: german banner (black,red,gold)
                         with the programmer's logo ('OBELISK CRACKING
                         CREW') after system reboot
Type of infection...: self-identification method: ---
                      system infection: RAM resident, reset resident,
                         bootblock
Infection Trigger...: reset (CONTROL + Left-AMIGA + RIGHT-AMIGA)
Storage media affected: only floppy disks (3.5" and 5.25")
Interrupts hooked...: ---
Damage..............: permanent damage: overwriting bootblock
                      transient damage: screen buffer manipulation:
                         german banner (black,red,gold) with the
                         programmer's logo ('OBELISK CRACKING CREW')
                         after system reboot, like a usual amiga intro.
Damage Trigger......: permanent damage: reset
                      transient damage: reset
Particularities.....: a resident program using the CoolCaptureVector is
                         shut down
Similarities........: --
--------------------- Agents ------------------------------------------
Countermeasures.....: Names of tested products of Category 1-6:
                      Category 1: .2 Monitoring System Vectors:
                                     'CHECKVECTORS 2.2'
                                  .3 Monitoring System Areas:
                                     'CHECKVECTORS 2.2','GUARDIAN 1.2',
                                     'VIRUSX 4.0', 'VIRUSKILLER 2.0'
                      Category 2: Alteration Detection: ---
                      Category 3: Eradication: 'CHECKVECTORS 2.2',
                                     'VIRUSX 4.0', 'VIRUSKILLER 2.0'
                      Category 4: Vaccine: 'SCA-PROTECTOR 1.0',
                                     'VIRUSKILLER 2.0'
                      Category 5: Hardware Methods: ---
                      Category 6: Cryptographic Methods: ---
Countermeasures successful: 'CHECKVECTORS 2.2', 'GUARDIAN 1.2',
                                      'VIRUSX 4.0'
Standard means......: 'CHECKVECTORS 2.2'
--------------------- Acknowledgement ---------------------------------
Location............: Virus Test Center, University Hamburg, FRG
Classification by...: Wolfram Schmidt
Documentation by....: Alfred Manthey Rojas
Date................: 5-June-1990
Information Source..: ---
===================== End of OBELISK Virus ============================

Antivirus...........: Kickstart 1.2 & 1.3 : VT-Schutz v3.17
                      Kickstart all others: VirusZ III v1.04B or higher, and also Xvs.library v33.47 or higher


Screenshot of Obelisk Virus:
 


Ascii of Obelisk 1 Bootblock virus: