| Alias: | --- |
| Strain: | Max virus strain |
| detected when: | unknown |
| where: | unknown |
| Classification: | system virus (bootblock), resident |
| Length: | 1. Length on storage medium: 1024 bytes 2. Length in RAM: up to 1048 bytes |
Preconditions | |
| Operating System(s): | AMIGA-DOS |
| Version/Release: | 1.3 only |
| Computer model(s): | all models (see "Particularities") |
| Caroname: | Max.Mutilator |
Attributes | |
| Easy identification: | none |
Type of Infection: | Self-identification method: virus checks if Cool Capture vector already points to his routine System infection: RAM resident, reset resident, bootblock |
| Infection Technique: | |
| Infection Trigger: | read or write access to block 0 of a DOS device |
| Storage Media affected: | all DOS-devices |
| Interrupts hooked: | CoolCapture, DoIO and Supervisor vectors |
| Stealth: | |
| Tunneling/Selfprot: | |
| Oligo/Polymorphism: | |
| Encoding Method: | |
| Damage: | Permanent damage: overwriting bootblock Transient damage: 1) screen buffer manipulation; a turqoise horizontal bar is displayed in the middle of the otherwise black screen followed by eternal LED blinking 2) screen buffer manipulation; an alert box containing the texts: "THIS IS THE NEW MUTILATOR-VIRUS !", "BY MAX OF STARLIGHT", "Thanx to The Executors for Spreading this GREAT code !", "done: - 1992 -" is displayed and virus is deinstalled thereafter |
| Damage Trigger: | Permanent damage: see "Infection" Transient damage: 1) 57344th call of Supervisor 2) third infection |
| Particularities: | virus doesn`t allocate the memory it uses apart from that necessary for the copper list; virus doesn`t replicate on systems without so-called Ranger memory (at address $C00000); virus is very poorly designed |
| Similarities: | none |
Agents | |
| Countermeasures: | VT2.68, VirusWorkshop 4.6, Virus Checker 6.50, VirusZ_II 1.10 |
| Standard means: | VirusWorkshop 4.6 |
Acknowledgements | |
| Location: | Virus Test Center, University of Hamburg, Germany |
| Classification by: | Karim Senoucci |
| Documentation by: | Karim Senoucci |
| Date: | 31-May-1995 |
| Information Source: | Virus analysis, Heiner Schneegold, Markus Schmall |
(c) 1996 Virus-Test-Center, University of Hamburg