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From: Grinder on 14 Jun 2007 11:41
Gary wrote:
> I had picked up a trojan (Vundo) that I was trying to get rid of.
> Something my anti-virus program told me was that the file
> c:\Windows\System32\j2221732.dll was corrupt, so I took the option to
> erase it. Now, my Mozille Firefox gives me several error boxes that
> all say "onLookup failed 55 1" each time I go to a new web site. Also,
> when I reboot the system, it tells me it cannot find the file
> "c:\Windows\System32\j2221732.dll",
>
> I tried to reinstall Firefox to recreate the file, and it didn't do
> it. So now I'm stuck. Firefox is hell to use, and I cannot find the
> required file.
>
> Can someone who uses Firefox on WinXPHome zip up the file and post it?

It might also be worth trying a System Restore. Judging from these
groups that never seems to work when you need it to, but I have had some
success with it, as long as I'm trying to recover to a point in the
recent past.
From: Grinder on 14 Jun 2007 11:55
Gary wrote:
> I had picked up a trojan (Vundo) that I was trying to get rid of.
> Something my anti-virus program told me was that the file
> c:\Windows\System32\j2221732.dll was corrupt, so I took the option to
> erase it. Now, my Mozille Firefox gives me several error boxes that
> all say "onLookup failed 55 1" each time I go to a new web site. Also,
> when I reboot the system, it tells me it cannot find the file
> "c:\Windows\System32\j2221732.dll",
>
> I tried to reinstall Firefox to recreate the file, and it didn't do
> it. So now I'm stuck. Firefox is hell to use, and I cannot find the
> required file.
>
> Can someone who uses Firefox on WinXPHome zip up the file and post it?

I suspect that file is not part of Firefox proper. From the
generated-looking filename, it's more likely to be a part some malware
that has been crudely removed from your system and has left a hole.

Since you have some indication that Vundo is to blame, I would begin by
looking at manual removal methods for that trojan. It appears to be
quite nasty. If you find several methods that seem to be in agreement,
have at it and see if you can *carefully* remove/repair the remainders
of that infection.
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