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Virus.DOS.Walker.3846 is a memory resident parasitic virus on DOS. It shows the old man from Bad Street Brawler walking.

Behavior

When the virus is loaded into memory, it hooks INT 16h, 21h and infects any executable that is run by a standard manner. The virus may remove itself from the infected files in some cases.

The infection size varies in different files.

Memory usage

The exact memory usage is 12,304 bytes.

Payload

Once the virus activated, it shows the indecent ASCII image from the Groove malware (same one from Abraxas.1214) and afterwards, the virus displays a moving man from Bad Street Brawler by Beam Software Pty., Ltd in every 30 seconds approximately, at this moment all inputs by the user would not be reflected onto the screen until the man is left.

If the user loaded a graphical program when the virus is in memory, it would hang the system.

Walker

Walker virus in action

Other details

This virus contains the internal text string:

WALKER V1.00 - This absolutely harmless and selfdestructive program is written by UJHPTTLZ in the city of Istanbul, 1992

Videos

Virus.DOS01:35

Virus.DOS.Walker

Walker virus review by danooct1

Virus.DOS.Walker00:00

Virus.DOS.Walker.3846

Virus.DOS.Walker.3846

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