Disaster Master v2 virus - Amiga Virus Encyclopedia


Amiga Virus Encyclopedia    
Disaster Master v2 virus

= Computer Virus Catalog 1.2: DISASTER-MASTER V2 Virus (14-JAN-1991) =
Entry...............: DISASTER-MASTER V2 Virus
Alias(es)...........: ---
Virus Strain........: ---
Virus detected when.: ---
              where.: Australia
Classification......: link virus, resident
Length of Virus.....: 1. length on storage medium: 1740 byte
                      2. length in RAM           :  ??  byte
--------------------- Preconditions ----------------------------------
Operating System(s).: AMIGA-DOS
Version/Release.....: 1.2/33.166, 1.2/33.180, 1.3/34.5
Computer model(s)...: AMIGA 500, AMIGA 1000, AMIGA 2000A, AMIGA 2000B
--------------------- Attributes -------------------------------------
Easy Identification.: typical text: ??
                      identification by examining, using disk manager,
                         the startup-sequence: if its first entry is
                         "cls" and a file named "cls" exists in "c"
                         or root directory with a length of 1740 byte
                         $A0,$A0,$A0,$20,$9B,$41 (invisible in ASCII
Type of infection...: self-identification method: virus searches for
                         the following entry in startup-sequence:
                         "cls" AND a file "cls" in the c or root
                         directory with length of 1740 byte;
                      system infection: RAM resident, reset resident
Infection Trigger...: using unprotected disk-like devices
Storage media affected: all bootable and disk-like devices
Interrupts hooked...: ---
Damage..............: permanent damage: destroys directory structure
                      transient damage: manipulation if window titles;
                         following alert is displayed after destroying
                         the structure of a bootable device: "Software
                         Failure. Press Left Mouse Button to Continue
                         Guru Meditation   #00000002.06001989" and
                         "Incoming special Message Your Amiga is in-
                         fected by DISASTER-MASTER V2!!! probably the
                         best virus created by mankind....
                         Left = continue     Right = self-destruction"
Damage Trigger......: permanent damage: (details to be analysed)
                      transient damage: (details to be analysed)
Particularities.....: KickTag pointer are misused, ColdCapture and
                         CoolCapture vectors are cleared; DoIO vector
                         is used (details to be analysed)
Similarities........: (details to be analysed)
--------------------- Agents -----------------------------------------
Countermeasures.....: Names of tested products of Category 1-6:
                      Category 1: .2 Monitoring System Vectors:
                                     CHECKVECTORS 2.3, VT 1.94
                                  .3 Monitoring System Areas:
                                     CHECKVECTORS 2.3, GUARDIAN 1.2,
                                     VIRUS-DETEKTOR 1.1, VT 1.94
                      Category 2: Alteration Detection: ---
                      Category 3: Eradication: CHECKVECTORS 2.3,
                                  BGS9-PROTECTOR, VIRUS-DETEKTOR 1.1
                      Category 4: Vaccine: BGS9-PROTECTOR
                      Category 5: Hardware Methods: ---
                      Category 6: Cryptographic Methods: ---
Countermeasures successful: CHECKVECTORS 2.3, VT 1.94
Standard means......: CHECKVECTORS 2.3 or VT 1.94 with deletion of
                      "cls" file entry (see above) with a disk
                      manager and correction of the startup-sequence
--------------------- Acknowledgement --------------------------------
Location............: Virus Test Center, University Hamburg, Germany
Classification by...: Alfred Manthey Rojas, Brian Logan
Documentation by....: Alfred Manthey Rojas
Date................: 10-February-1991
Information Source..: Brian Logan, Australia
=================================== End of DISASTER-MASTER V2 virus ====================================

Antivirus removal...: Kickstart 1.2 & 1.3 : VT-Schutz v3.17
                      Kickstart all others: VirusZ III with Xvs.library installed

Animated picture of the Disaster-Master v2 Virus:

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