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Q: "Backdoor.Kaitex.B" virus in "comand.exe" file and problems with Norton ( Answered,   2 Comments )
Question  
Subject: "Backdoor.Kaitex.B" virus in "comand.exe" file and problems with Norton
Category: Computers > Security
Asked by: dnewman-ga
List Price: $10.00
Posted: 30 Aug 2003 10:05 PDT
Expires: 29 Sep 2003 10:05 PDT
Question ID: 250517
I have a virus called "Backdoor.Kaitex.B" in a file called
"comand.exe" (one "m", not 2). I have tried several times to repair it
with Norton Anti-Virus. Norton finds the virus, but won't repair it or
quarantine it. Also, when I run a full-system virus check with Norton,
it slows to a crawl about 30% through (after over 10 hours). If there
are other virus on my computer, it never gets to them. Could you
please tell me what to do about the existing virus (and what is a
"comand.exe" file anyway?), and also any suggestions on how to get my
anti-virus software to scan the entire hard drive.

Thank you. 

Deborah newman
Answer  
Subject: Re: "Backdoor.Kaitex.B" virus in "comand.exe" file and problems with Norton
Answered By: sublime1-ga on 30 Aug 2003 16:05 PDT
 
Deborah...

According to the Symantec (who make Norton AV) site,
removal is fairly easy:

======================================================

NOTE: These instructions are for all current and recent
Symantec antivirus products, including the Symantec 
AntiVirus and Norton AntiVirus product lines.

   1. Update the virus definitions.
   2. Restart the computer in Safe mode.
   3. Run a full system scan, and delete all files that are
      detected as Backdoor.Kaitex.B.
   4. Delete the value

      Service <the Trojan file path and name>
      [e.g. C:\comand.exe or C:\Windows\comand.exe or C:\autorun.inf]

      from the registry key

      HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run

http://securityresponse.symantec.com/avcenter/venc/data/backdoor.kaitex.b.html

======================================================

There are extended instructions on the page above to 
walk you through each of the steps above, such as how
to start Windows in Safe Mode, and how to open the 
Registry Editor and delete the entry noted above.


Hummer-ga's suggestion to use Trend Micro's free online
virus scan is normally something with which I would agree,
however I searched their site for this virus, under several
aliases as well, and it didn't turn up on their site.

You can try to use their scan, but it may not work.
Their free online scan is here:
http://housecall.trendmicro.com/housecall/start_corp.asp

Another such site, with a free online scan is Bit Defender.
I also searched their site for the virus and its aliases,
with no results. Their free online scan is here:
http://www.bitdefender.com/scan/licence.php

If you successfully use either of the above online scans,
you would still need to remove the entry in your registry
by hand, using the extended instructions available on the
page above.


The file 'comand.exe' is certainly a file created by the
virus, which mimics the Windows file 'command.exe' or 
'cmd.exe', depending on your version of Windows. This is
intended to make you afraid to delete it, since it so 
closely resembles a legitimate Windows system file.

I ran a search for 'comand.exe' in conjunction with this
virus' name and its aliases, and came up blank. This just
means that the user of this virus has created his own name
for the active file.

In searching for 'comand.exe' by itself, I located one 
entry where this file is associated with an 'autorun.inf'
file, which calls the comand.exe file. The registry entry
therefore referred to the autorun.inf file rather than the
comand.exe file itself. 'Autorun.inf' is another common
name, used to cause CDs to load and play automatically.
It is normally located on the CD itself, and there should
not be such a file on your computer. In this case the file
was placed in the root directory - C:\autorun.inf
It might be wise to run a search for this file on your 
computer, as well, and delete it. This instance of 'comand.exe'
was in conjunction with a virus called ICQpass:
http://www.camsoftpartners.co.uk/bugs.htm


I believe this will resolve your situation, however,
resoving computer issues often requires some dialogue
to reach a successful conclusion.

Please do not rate this answer until you are satisfied that
the answer cannot be improved upon by means of a dialog
established through the "Request for Clarification" process.

sublime1-ga


Searches done, via Google:

Backdoor.Kaitex.B
://www.google.com/search?q=Backdoor.Kaitex.B

Backdoor.Kaitex.B comand.exe
://www.google.com/search?q=Backdoor.Kaitex.B+comand.exe

comand.exe
://www.google.com/search?q=comand.exe

W32.Ircbot
://www.google.com/search?q=W32.Ircbot

W32.Ircbot comand.exe
://www.google.com/search?q=W32.Ircbot+comand.exe
Comments  
Subject: Re: "Backdoor.Kaitex.B" virus in "comand.exe" file and problems with Norton
From: hummer-ga on 30 Aug 2003 10:15 PDT
 
Hi Deborah,

I can't answer your questions about Norton, but I would like to
suggest running HouseCall. It is a very thorough, free, online, virus
scan program that does an excellent job.

http://housecall.trendmicro.com/

Good luck,
hummer
Subject: Re: "Backdoor.Kaitex.B" virus in "comand.exe" file and problems with Norton
From: techtor-ga on 30 Aug 2003 10:37 PDT
 
I believe the comand.exe file is a fake file created by the virus. My
virus-free computer (in Win98) carries no such file. I believe it is
safe to delete.

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