Re: Ilomo trojan-regscan- how do I zap this thing?
- From: "Danny Sanders" <DSanders@xxxxxxxxxxxxxxx>
- Date: Wed, 16 Jan 2008 09:51:55 -0700
When you get a virus there is really no way to know if you have *really*
gotten rid of it or not. What happens if you jump through all the hoops and
rings you find here and there about getting rid of this Trojan and you think
you have everything cleaned up and working nicely, and the first time you
open notepad, which is really his file he renamed and put there just for
this purpose, the Trojan gets installed again and opens the door to your
server to him again?
The point is you can go through and do everything you see on the 'net about
getting rid of the Trojan but there is just no way to be sure there are no
renamed Windows files on that server that will open it up as soon as you
think you are done. The *only* way to be sure is to format - reinstall and
restore from a backup before the Trojan hit. Sure it's a lot of work but
it's a lot of work to jump through all the hoops and edit the registry only
to find that the is back after rebooting the server. Cut out the extra work
and format - reinstall and restore from a backup before the Trojan hit.
Use the time you would have spent trying to get rid of the thing to secure
the server. Install virus software make sure the server is regularly
updated, lock down the firewall in front of this server and make sure only
the necessary services are exposed to the Internet and make sure to keep on
top of patching those exposed services.
Recover quickly and spend your time making sure it doesn't happen again.
hth
DDS
"Chopper" <HeyJoe@xxxxxxxxxx> wrote in message
news:478e2ab6$0$18416$4c368faf@xxxxxxxxxxxxxxxxx
CA anti-spyware scan detects Ilomo Trojan in regscan.exe and tries to
quarantine unsuccessfully. If I turn off auto quarantine I get a buffer
over-run. When I re-scan right away, I get the same results. I can't find
regscan.exe on my hard drive, either searching manually or with search
function. I have everything turned on to show hidden and system files. CA
anti-virus shows no infection.
I'm running win2k, Sp4, update rollup 1 v2. When I boot into safe mode it
takes a long, long time, and any program I try to run starts very slowly.
Task manager doesn't show anything out of the ordinary running, either in
normal boot or safe mode. Could the extremely slow boot into safe mode be
related to this trojan?
Latest scan log:
1/14/2008-6:40:42 PM , Detected , Ilomo , Trojan , File
"C:\WINNT\system32\regscan.exe" , -1
1/14/2008-6:40:42 PM , Detected , Ilomo , Trojan , Key "hkey_user
\S-1-5-21-842925246-115176313-725345543-500\\Software\Microsoft\Windows\Curr
entVersion\Run" value "Regscan" , -1
1/14/2008-6:41:28 PM , Quarantined , Ilomo , Trojan , File
"C:\WINNT\system32\regscan.exe" , -1
I also have temp files in temp directories-local disk\Documents and
Settings\Administrator\Local Settings\Temp- with names like ~DF11F8.tmp
that
don't delete when I clear cache and when I try to manually delete I get
message saying they are in use and new temp files immediately appear with
similar names. Older temp files can be deleted, but not the new ones that
are spawned. Is this normal or could it be related to this trojan?
My desktop icons randomly relocate on boot up, and I noticed file named
index.dat in - local disk\Documents and Settings\Administrator\Local
Settings\History\history.IE5 and other locations that don't delete when I
clear cache. Also find desktop.ini files buried in subfolders under
temporary internet files folders. Could these be related to trojan?
I have googled this problem and gone to quite a few sites including CA,
Mcafee, Eset, Trend Micro and others and can't find an answer how to
eliminate this pest.
Reading between the lines of what I have found, I think I need to edit the
registry and delete the hkey_user data, but I'm not real familiar with how
to do safely. I believe I need to delete regscan.exe also, but to
re-iterate, I can't find it on disk.
Any advice would be appreciated, with enough detail for someone not real
familiar with editing the registry.
.
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