









 | EXE_Bug.A Virus| Name | EXE_Bug.A Virus | | Aliases | EXE_Bug.A,Exebug, EXE_bug.B, CMOS Killer | | Discovered on | Oct 1992 |
Virus Information - EXE_Bug.A Virus:
This virus infects the Master Boot Record
on hard disks and Boot sector under floppies. The virus infects the computer
when booted with an infected disk. This virus makes changes in CMOS settings.
This virus moves the information from Side 0, Cylinder 0 , Sector1 to the
last sector of Side 0 under hard disks. Due to its stealth capability it
simulates original MBR, when it is in memory causing the user to feel everything
is normal.

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