MAD BBClone

Introduction

MAD BBClone is a computer bootvirus written for the Commodore Amiga. It is a simple clone of the Byte Bandit virus.

Summary

• Overwrites the original bootblock of any unprotected disk inserted in the floppy drive of an Amiga computer
• Uses BeginIO() of the trackdisk.device for infection
• Stays resident in memory by using KickTag
• Hooks ExecVec5 interrupt
• Is not encrypted

Details

Only the typical Byte Bandit-text in the bootblock has been altered, everything else is the same:

0010h: 49 6E 66 65 63 74 65 64 00 62 79 00 4D 41 44 00 ; Infected.by.MAD.
0020h: 56 69 72 75 73 00 20 69 6E 20 20 39 2E 39 30 2E ; Virus. in  9.90.
0030h: 62 79 00 48 41 43 4B 02 E2 26 60 43 52 41 43 4B ; by.HACK.â&`CRACK
0040h: 00 47 6D 62 68 20 3A 00 00 00 01 CB 48 E7 7F 7F ; .Gmbh :....ËHç

Clones and variants

None