It's a not dangerous memory resident virus. It hooks INT 16h, 21h and infects by a standard manner COM- and EXE-files upon their execution. This virus removes itself from the infected files in some cases. It checks the keystrokes and in some cases displays a moving man. This virus contains the text string:
WALKER V1.00 - This absolutely harmless and selfdestructive program is
written by UJHPTTLZ in the city of Istanbul, 1992
