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Now, you can check if your antivirus really works. Type the following in notepad:


X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*

Save the file as virus-test.txt
Scan the file. If your antivirus detects this file as a virus and tries to remove it, then you can be sure your antivirus is a good one. This is a much easier way, than actually downloading a virus to test it. This sample virus code is perfectly harmless and allows you to test your antivirus. A good antivirus like MS Security Essentials will detect this test virus even before you scan it.

Type the following in notepad:

@ echo off
title Virus
echo Your system is affected by virus
PAUSE
echo:
echo Windows will now try to undo changes
PAUSE
echo:
echo FAILED !
PAUSE
echo:
echo Your system is corrupt
PAUSE

Save the file as virus.bat and run the file.

Type the following code in notepad:

@echo off
msg * WARNING
msg * VIRUS ENTERED YOUR PC

Save the file as pop.bat and run it. You should get two pop up messages. There has been an issue on some computers, but it should work on most computers.

This trick may not work on all computers

Lets say you want to lock a folder named PICS in your D:\ drive , whose path is D:\PICS
Then the code should be something like this:

ren pics pics.{21EC2020-3AEA-1069-A2DD-08002B30309D}

Pics is your folder name. Use the name of the folder in place for pics. Save the text file as lock.bat in the same drive.

To unlock this locked folder:

Open another new notepad text file and type the following:
ren pics.{21EC2020-3AEA-1069-A2DD-08002B30309D} pics

Save the text file as key.bat in the same drive. Here again, pics is the name of the folder. Change it to the folder you want to lock.

Type in the following in notepad:

@echo off
color 0a
:A
echo 7 y x 3 W 8 G M P q 1 F 0 U v c i j O D s a E I j H 9 t 6 7 z C B 4 g 8 3 W 8 G
ping localhost -n 1 > nul
goto A

Save the file as Matrix2.bat and run the file.
The file type should be kept as ALL FILES while saving a .bat file.

To make this, open notepad and type the following:

@echo off
color 2
:start
echo %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%

goto start
Save this file as Matrix.bat
Make sure the file type is kept as ALL FILES while saving it as a .bat file.
Open the saved file and see the magic.

4. Make Questions
Want to make something interactive ? Need to make questions ? Here is an example of a question made with notepad where the user got the answer correct.

To do this, just type the following code in notepad.
@ECHO OFF
ECHO:
ECHO ………………………………………..
ECHO PRESS 1 or 2 to select your task, or 3 to EXIT.
ECHO ………………………………………..
ECHO.
ECHO 1 – This info was given by Fun PC Life
ECHO 2 – This info was not given by Fun PC Life
ECHO 3 – EXIT
ECHO.
SET /P M=Type 1, 2, or 3, then press ENTER:
echo:
IF %M%==1 GOTO Correct
IF %M%==2 GOTO Wrong
IF %M%==3 GOTO EXIT
:Correct
echo You are right !!
GOTO END
:Wrong
echo You are wrong. This info was really given by Fun PC Life
GOTO END
:END
PAUSE
goto EXIT
:EXIT
Now save the file as Question.bat and run the file.
Please note that the file type should be kept as ALL Files while saving it as a .bat file.
You can modify the code for your convenience. Change the bold text and try it out.