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Virus.DOS.MadMan.1663 or MadMan is a virus that runs on MS-DOS.

Details

MadMan is a memory resident encrypted parasitic virus. It hooks onto INT 9h and 21h and writes itself to the end of .EXE files that are closed (i.e. the virus infects files that are copied or checked by some utility). The virus does not infect F-PROT, SCAN, or files that have the letter 'V' in their name.

The virus adds the "@ECHO I'm watching you!" command to the end of .BAT-files. On Ctrl-Alt-Del, the virus displays the picture and the message.

..xXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXxXx

..   xXXXXXXXXXX XXxXxXX XXXXXXXXXXx   X

.        xxxxXXXXXxxXxxXXXXXxxxx     x

x  .  x    xxXXXXXxx    x  .  xxXXX

..xXxxxXxxXx.  XXXXXXXXXxxxXxxxXxxxxX

.xXxxxxXXx.   XXXXXXXXXXXXxxxxXXXXXX

Nothing can save you here, friend - you're in my world now!

The virus also contains the text strings:

MadMan

Media

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