Re: Does clean install of XP kill all malware?
- From: "Kerry Brown" <kerry@xxxxxxxxxxxxxxxxxxx*a*m>
- Date: Tue, 19 Jul 2005 07:37:35 -0700
"Zadig Galbaras" <tresfjording@xxxxxxxxx> wrote in message
news:dbielc$3d2$1@xxxxxxxxxxxxxxxxx
> Sorry Kerry but the computer was not, I repeat not, connected to the
> internet.
> This OS was Win2000.
> I reinstalled three times, and at the last try I did a format of the
> harddisk. The virus persisted.
> I am no expert, but after three clean installation of an OS I thought any
> virus was gone.
>
> I then learned that this version of the virus only infected Win2000
> computers.
> Therefore I, in the early morning hours, begat a clean install of my
> private WinXP, and then a clean install of Win2k.
> That made the virus go away.
>
> All this with no connection to the web!
> I do not connect to the web before an updated viruskiller service is
> established and working.
There you go. No mention of a firewall. You must install a firewall before
connecting to the Internet. A viruskiller service won't protect against
Sasser. Windows 2000 has no built in firewall. A third party firewall must
be installed.
How do you connect to the Internet? If it is via a network connection the
cable must be physically unplugged while installing. It is possible for a
virus to survive a format. I have not seen any versions of Sasser that
infect the boot sector but it's certainly possible. A format won't help you
with a boot sector virus. You must overwrite track 0. Most hard drive
manufacturers have a utility to do this.
Kerry
> --
>
> Regards
> Zadig Galbaras
> A Perturbed Norwegian Agnostic
> -----
>
>
> "Kerry Brown" <kerry@xxxxxxxxxxxxxxxxxxx*a*m> skrev i melding
> news:u5UkAt%23iFHA.3704@xxxxxxxxxxxxxxxxxxxxxxx
>> "Zadig Galbaras" <tresfjording@xxxxxxxxx> wrote in message
>> news:dbhauo$koi$1@xxxxxxxxxxxxxxxxx
>>> No, some viruses like the Sasser will still prevail after a clean
>>> install.
>>> That I have experienced myself.
>>>
>>> The sasser virus was still there after an clean install with a manual
>>> formatting of the harddisk.
>>>
>>> So a clean install do not necessary take away all viruses.
>>>
>>
>> Sasser did not survive a clean install. What happened was you were
>> reinfected as soon as you connected to the Internet. Sasser is a worm
>> that looks for vulnerable computers on the Internet. The maximum time
>> before infection of an unprotected computer connected to the Internet is
>> around four minutes. Usually you will be infected before Windows is
>> installed if you are connected during the install. You must install SP2
>> or a firewall before connecting to the Internet or any network.
>>
>> Kerry
>
>
.
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