Carefully follow the steps below...
You may want to make a copy of this first, and read it through.
Download NTBR to a clean computer: http://noahdfear.net/downloads/boot...
Extract its contents to the Desktop.
Once extracted, open the NTBR_CD folder and double-click on the BurnItCD application.
Insert a blank CD when prompted.
Follow the prompts to burn the .ISO image to the CD.
Note: Set the CDROM as first boot device in the infected computer, if it isn't already.
If you enter the BIOS and are unsure if you have carried out the step correctly, there is an option to exit without keeping changes, so you won't do any harm.
Boot the infected computer with the CD, and follow the prompts.
Press Enter for English
At the menu type 1 to select the MBRWORK tool, and press Enter
First, backup the MBR to file with MBRWork on the NTBR image:
Type 1 and hit Enter to start MBRWORK
At 'Choose Option': type C and hit Enter to Capture Sectors
At 'Enter File Name': type mbr.bin and hit Enter
At 'LBA': Leave at 0 and hit Enter
At 'Number of Sectors': Leave at 1 and hit Enter
The screen will show:
Save completed - Press Enter
Hit 'Enter' then at 'Choose Option': type 1 to go back to MBRWORK options
(The mbr.bin file will be saved in the X: ramdrive, which you now need to copy to disk.)
Type 4 and hit Enter to start NTFS4DOS - the hard drive should be assigned the letter G and you will be at an X:\> prompt
Type copy mbr.bin g:\ and hit Enter
You should see mbr.bin => g:\mbr.bin and return to the X:\> prompt
Type exit and hit Enter, then, type 1 and hit Enter to return to MBRWORK
Now, at MBRWORK, type 5 to Install standard MBR code, then press Enter
Type 1 to select Standard, then hit Enter
Type Y, then press Enter to confirm
Type E, then press Enter to exit
Back at the menu, type 6 to Quit
Press Ctrl Alt Del (All 3 keys simultaneously!) to restart the machine.
Eject the CD upon restart, and boot.
Are you able to boot normally?
Retired - Doin' Dis, Dat, and slapping malware.
Malware Eliminator/Member of UNITE and the
Alliance of Security Analysis Professionals