Question

Virus not removed after FORMAT???

Asked by: winklermario

Hello,

I have formatted my pc, several times, but when i finish installing it , and do a virusscan he still finds virusses or trojans on the pc. How can i COMPLETELY remove everything from the harddrive and then reinstall windows?
Isnt there any Dos like program which boots from a diskette, and overwrite all data on the HD so that everything is gone, before i reinstall windows?
You're help is very appreciated.

Kind regards
Mario

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Asked On
2005-02-16 at 06:06:08ID21316771
Topic

Windows Network Security

Participating Experts
5
Points
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Comments
9

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Answers

 

by: graemeboroPosted on 2005-02-16 at 06:46:49ID: 13324351

What version of Windows are you using?  

If XP when installing make sure you do a full format after deleting the partion and not a quick format.

If your using an older version of WIndows use Fdisk and delete all partitons.  Once re-installed do all your virus checking and ad a firewall solution before connecting to the Internet.

Graeme

 

by: ckscott210Posted on 2005-02-16 at 06:54:02ID: 13324425

What virus does your AntiVirus software say you have?  And what AntiVirus software are you using?  Do you every completly shut off the PC after the format, or just a reset?

 

by: ADSaundersPosted on 2005-02-16 at 07:06:15ID: 13324596

Hi winklermario,
There are some viruses (I Believe) that place themselves in the partition table of the disk, and so cannot be removed by a normal fdisk & format. I once acquired a HD corrupted in this way. I managed to salvage it by downloading the utility programs from the disk manufacturer, booting off a clean FD, and running the low level format utility. (These days not a true format, but it does write zeroes to every sector of the disk, including the partition table.)

Regards .. Alan

 

by: CoccoBillPosted on 2005-02-16 at 07:15:02ID: 13324718

Which virus is it?

 

by: winklermarioPosted on 2005-02-16 at 08:42:13ID: 13325882

Sorry guys, i have found the solutions to my question myself. I have found the utility i was looking for. It is called KILLDISK and its free for download, it boots up from floppy or cd and overwrite everything on the hard disk.
thanks anyway for youre help.

Kind regards
Mario

 

by: ADSaundersPosted on 2005-02-16 at 08:51:20ID: 13325981

What's different between Kill Disk, and the low level format routine? Both do the same job, just a different program.
The important thing is to overwrite the partition table (and boot sector).

.. Alan

 

by: MrListenPosted on 2005-02-17 at 00:21:27ID: 13332592

Which virus is it ?

If you have a cable Internetconnection via a Networkcard...unplug the LanCable ;)
Then install all SecurityPatches from cd configure your Firewall.

Andreas

 

by: ADSaundersPosted on 2005-02-22 at 00:25:16ID: 13369663

PAQ_Man,
Does the fact that the asker found an alternate utility to carry out the same solution as I recommended invalidate my comment?

.. Alan

20120131-EE-VQP-002

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