BadBoy.1000.a
Description BadBoy.1000.a
This is a harmless memory resident parasitic encrypted virus. It hooks INT 21h and writes itself at the beginning of COM files are executed. This virus uses System File Table on infection. It is divided on 9 blocks of code and data (installation block, data block, INT 21h block e.t.c.). When the virus installs itself into the memory, 8 of these 9 blocks can be rearranged in any order depending on the system timer. On infection the virus saves encrypted image of its TSR copy into the file, so orders of code blocks in two infected file can be different.
This virus displays on 10th infection:
The bad boy halt your systemall
And then halts it.
The virus contains the text:
The Bad Boy virus, Copyright (C) 1991.
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Caos.716
Description Caos.716
It's a harmless memory resident encrypted parasitic virus. It hooks INT 21h and writes itself to the end of .COM-files that are accessed with DOS functions FindFirst and FindNext (on DIR command execution). The virus contains the internal text strings:
CAOS virii by WMÆ
Hoy en Dia, cualquier sentido que le puedas dar a la a vida no vale tanto
como para que esta merezca ser vivida.Virii Experimental, no es práctico ;)
Capicua.511
Description Capicua.511
It's a dangerous memory resident parasitic virus. It copies itself into the system buffer, hooks INT 21h and writes itself to the end of .COM-files that are executed. Sometimes it terminates the program instead of executing it. It contains the internal text string: "*CAPICUA*".
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