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Message from discussion Suddenly my old dos programs will not run ????????????
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Hal  
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 More options Sep 14 2004, 10:18 am
Newsgroups: microsoft.public.windowsxp.general
From: halselt...@sympatico.ca (Hal)
Date: 14 Sep 2004 07:18:45 -0700
Local: Tues, Sep 14 2004 10:18 am
Subject: Re: Suddenly my old dos programs will not run ????????????
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Good news folks...

A Downloader Trojan (TrojanDownloader.Win32.Dia.a)placed a program
called Winad Client on my machine. This is the program that has been
removing autoexec.nt and messing with config.nt & command.com.

Last week I replace all those files but after a reboot this weekend
the 16 Bit issue came back which i did not discover until this
morning, only hours after Norton Antivirus found the
Trojan.

Norton AV 2004 could not remove the trojan. Nor could AdAware SE
locate it. But PestPatrol (http://www.pestpatrol.com/) found the
trojan and removed it.

After some web searches on this Trojan, I discovered the installed
"Windupdater" program on machine is called Winad Client and it was
easily removed via Control Panel/Ad-Remove Programs (how silly).
Ironically afer the program is removed your browser is forwarded to a
Windupdater Url promoting Spyware removal.

Further scans show no more Downloader Trojan and the 3 Windows System
Files are staying intact.

I would like to add that in my opinion this issue is not an Windows XP
SP2 issue. As far as i can tell from the various post, for most people
it's just a timing coincidence around their resent install/up of SP2
and the prolification of this trojan. Furthermore, from my part, I am
looking further into whether this trojan arrived via my installation
of the CorelDraw 12 SP1 with it's notoriously invasive & unremovable
Update Manager program by InstallShield, since the timing is more
correct for my issue and the fact that the Trojan ends up promoting
various Warez Utilities.

"Torgeir Bakken \(MVP\)" <Torgeir.Bakken-s...@hydro.com> wrote in message <news:O50oolDmEHA.1672@TK2MSFTNGP14.phx.gbl>...

> Seth Russell wrote:

> > Torgeir Bakken (MVP) wrote:

> >> This is an issue that have started to pop up lately for several
> >> people.

> >> Please take a look at this article for how to fix it:

> >> Error message when you install or start an MS-DOS or 16-bit
> >> Windows-based program
> >> http://support.microsoft.com/default.aspx?scid=kb;en-us;324767

> > Yes that fixes it, thank you.  However a reboot will reestablish
> > the problem.  What is causing this?
> Hi

> Please try this:

> Fix the file(s) again , and then do a clean boot:

> How to perform a clean boot in Windows XP
> http://support.microsoft.com/default.aspx?kbid=310353

> If the problem then is gone, you could add more and more (booting in
> between each change) to the startup list to see if you can find out
> what causes this.

> Pleas post back any result :-)


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