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boot sector virus

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Name: shakushinnen
Date: August 8, 2005 at 13:18:27 Pacific
OS: windows 98
CPU/Ram: AMD K6 2/500, 64mb
Comment:

Hi All,
I'm pretty sure I have a virus. It has infected 3 drives that I'm aware of. Any one have any suggestions how to get rid of this bugger?
John



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Response Number 1
Name: johnr
Date: August 8, 2005 at 13:25:39 Pacific
Reply:

Can you supply a bit more information? What are the symptoms of the virus - you mention boot sector but these are more rare so what makes you think this is the problem (remembering that each drive will have its own boot sector - it isn't on the motherboard). More information please, plus there is a 'security & virus' section on this site.

"I know that I'm mad - I've always been mad..."


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Response Number 2
Name: shakushinnen
Date: August 8, 2005 at 14:56:15 Pacific
Reply:

Hi Johnr,
Well at first I started not being able to boot in windows. The system would freeze. I tried reinstalling, but the system would freeze part way into the installation. I went into fdisk, removed the partitions, reinstalled the dos partition, and reformatted. Then I tried to reinstall 98se, and was told "*** Warning *** Disk Boot sector is to be modified. Type Y to accept, any other key to abort, Award....." When I typed "y" it didn't fly, I can't recall what happened. I tried again, this time entering another letter. This time I got the message "A disk error was detected while writing a new boot record to your first hard drive." Since then I've tried killdisk. It loads but the progress bar doesn't move. Most of this was done on the last disk I installed. Two others are infected(?) It seems that each time I would put in a new HD, with the intention of ghosting a my OS to the original, it would develop the same problems. I don't know if it's coming from my boot disk or hard drive. If it's a virus, I'm guessing that everything's contaminated by now.
John


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Response Number 3
Name: jboy
Date: August 8, 2005 at 15:12:34 Pacific
Reply:

That message is the result of having the BIOS AV protection turned ON - of course the boot sector will be modified when (re)installing Windows - you need to turn that off, and perhaps forget about turning it back on, as the protection is pretty minimal, and confined to the boot sector.

Virus schmirus - sounds like a hardware problem if anything

Computers in the future may have only 1,000 vacuum tubes and perhaps only weigh 1 1/2 tons.


- Popular Mechanics, 1949


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Response Number 4
Name: shakushinnen
Date: August 9, 2005 at 07:54:36 Pacific
Reply:

O.K. Well, that's not very much help. Anyone else have any suggestions on how I can figure this thing out?
John


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Response Number 5
Name: johnr
Date: August 9, 2005 at 09:28:49 Pacific
Reply:

I'd agree with jboy that it's something to do with the BIOS settings - try disabling the boot scanner & then fdisk again & start from scratch.

"I know that I'm mad - I've always been mad..."


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Response Number 6
Name: budm
Date: August 9, 2005 at 12:09:25 Pacific
Reply:

"O.K. Well, that's not very much help" Not much help because you try as JBOY suggested and it did not fix the problem? or you do not believe that is the problem in the bios setting?


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Response Number 7
Name: shakushinnen
Date: August 10, 2005 at 09:28:04 Pacific
Reply:

O.K.
jboy, you were right. It wasn't a virus, unless it disappeared by itself. I tried a different machine, stripped it down, and reinstalled, no problems. Must have been a hardware conflict, as you suggested. All this started when I tried to install a SCSI drive. It ran fine until I tried installing a slave IDE. Then the wheels came off, slowly, bit by bit. That's what made me think that it was a virus. I've never seen a hardware conflict that couldn't be repaired by removing the hardware and booting up with another drive. I still don't understand what happened. Thank you all for the guidance. I'd appeciate your thoughts on what might have gone wrong.
Thanks again,
John


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