Welcome to the Virus Encyclopedia of Panda Security.
When the file that contains the Trojan is executed, it displays a window that allows users to run two different programs.
It is interesting to note that on placing the mouse pointer on the icons, a brief description of the programs is displayed, as can be seen below.The explanation of the GUN.EXE program will be the following:
This program is known as GUN and it was designed by Celtech Software. This application is similar to a screen saver and it displays bullet holes in the position where the mouse pointer is located whenever the right button is pressed. To disable this program, users must press the Ctrl-Alt-Supr key combination and then end the task with the following name: "Gun - Celtech Software".The explanation of the MONA.EXE application will be the following:
This program displays a picture of La Mona Lisa by Leonardo Da Vinci and it was designed by Plastic Swinner Productions in 1993. When the space key is pressed, an animation will be displayed.While this window is being displayed on the screen, the BAT program that contains the Trojan is in charge of deleting system files, among which the following could be highlighted:CONFIG.SYS, LOGOS.SYS, MSDOS.SYS and AUTOEXEC.BAT. After carrying out this action, the Trojan displays the following window:
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