Dotty.Original

Alias:--
Strain:Dotty
detected when:
where:
Classification:System virus (bootblock), resident
Length:1. Length on storage medium: 1024 bytes 2. Length in RAM: 1024 bytes

Preconditions

Operating System(s):AMIGA-OS
Version/Release:all system releases
Computer model(s):all models
Caroname:Dotty.Original

Attributes

Easy identification:Typical texts: ' - -*< Dotty by P.A.L >*- - ' and: Made by the mysterious RT for P.A.L (People Against' ' Lameness) Watch for your mousepointer. It might go' ' nuts or fuck up your screen Greetz only to the BE' 'ST OF THE BEST: Vision. Skid Row. Kefrens. Flash. Sc' 'oopex. Fica. '

Type of Infection:

Infection Technique:
Infection Trigger:booting from infected disk, reset
Storage Media affected:
Interrupts hooked:
Stealth:
Tunneling/Selfprot:
Oligo/Polymorphism:
Encoding Method:
Damage:Permanent damage: a) overwriting the bootblock Transient damage: a) clearing the CoolCapture b) hooking DoIO c) hooking IVVERTB d) all windows will be filled with pots (some kind of snowy outlook)
Damage Trigger:Permanent damage: a) Read DoIO call reading the rootblock Transient damage: a) booting from infected disk b) reset c) Read DoIO call reading the rootlock d) 21000th IVVERTB interrupt
Particularities:Once started the routine - to display the snow on the screen - blocks the display refresh, so nothing should be shown on your monitor (I never tested it).
Similarities:--

Agents

Countermeasures:VirusZ II 1.09, VT 2.67, Virus Checker 6.43, Virus Workshop 3.6
Standard means:VirusZ II 1.09, VT 2.67, Virus Checker 6.43, Virus Workshop 3.6

Acknowledgements

Location:Virus Test Center, University Hamburg, Germany
Classification by:Jens Vogler
Documentation by:Jens Vogler
Date:1-July-1994
Information Source:reverse engeneering of original virus

(c) 1996 Virus-Test-Center, University of Hamburg