Re: Hard Drive keeps filling up

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Date: Mon, 22 Sep 2003 16:03:28 -0500 (CDT)
To: "Harris Samuel W PORT" <HarrisSW@mail.ports.navy.mil>

well i guess to add my 2cents on this matter, could that possibly be your
av sacnner filling your drive? I mangae computers using Symantec
Nortonantivirus corp edition and it has various scans one of which is a
scan which forces the files to be demigrated ... this will also fill the
hard drive to its maximum capacity. i dont know if this will help you but
it is about my only thought as to what coupld possibly causeit, withought
going extremely in-depth to what is running on your computer. i guess also
i would go to your C:\WINDOWS\system32\drivers\etc .. or watever your
local hard drive letter is and check that folder or any folders up one
level for exe files , if you find such files it is more than likely that
your computer in one form or another has been compromised, i cant say that
finding exe files in there is a 100% sign of this but i have found it to
be very true most of the time.

hope i havent to thourghly confused you and i hope that you get this
problem resolved,

Brian
-----------------------
Dilex Network | CO-Founder, Network Administrator
irc.dilexnet.net #dilexnet brut
http://www.dilexnet.net

> I have been having a problem for a week now and can't seem to detect
> the culprit. This is on my home network. On my wife's machine, the OS is
> Windows XP, 2.8G, Broadband connected, with 802.11g Linksys wireless
> router.
> I have 3 firewalls running on it, zonelabs, tiny and the firewall included
> with XP. I have an online subscription to McAfee virus software, and it is
> kept up to date as new updates are issued. I have checked Task Manager and
> shut down the processes that I knew wouldn't cause me a problem, the rest
> seem innocent enough, (to my knowledge). I've done netstat several times
> and haven't discovered any obvious unknown connections. I have even locked
> the firewall down (Zonelabs) on several occasions, to eliminate the
> possibly
> that it was being accessed by an unknown process or program. I have
> Ad-Aware
> and Spy-Bot on the computer. I have all the updates to XP installed. I
> have used the Shavlik software and have updated everything it comes up
> with, I have used the Microsoft Security Analyzer to check for any
> security
> problems and have installed all that was called for.
> Now for the problem. 2 weeks ago my daughter called me up and was
> frantic, because she had been instant messaging and some putz came on and
> told her to invite him in or she would be sorry. She didn't and she was.
> He
> infected her with some worm that proceeded to fill up her hard drive. I
> had
> given her an old computer that I had and it only had a 12G hard drive. I
> used VNC to check her computer out and tried to stop the bleeding, but it
> was too much for me. Well, a few days later I get a message that my
> computer
> is almost out of space. I have an 80G hard drive. I looked at the file
> system but couldn't find the files that were big enough to fill it up like
> that. I was performing a scan with McAfee (which detected nothing by the
> way) and noticed that the computer was spending an inordinate amount of
> time
> on a .tmp file. I looked at the folder that was in question, and bingo I
> found all the used space. There were several files in the folder that all
> ended in .tmp. One I remember was McV90.tmp. There were others, but that
> is
> the one I remember. It was 48G all by itself. I tried to open it to view
> it,
> but couldn't find a program that I had that could open it up. I deleted
> the
> file and regained my space back. A couple of days later the space was
> being
> eaten up again. I deleted it again and began monitoring it every few hours
> to see if there was any more action. I couldn't detect much for a few
> hours,
> then it started up again.
> I shut the firewall, so if it was external to the computer, then I
> would stop any outgoing action. The firewall came up with a few
> complaints,
> but nothing out of the ordinary (I think it wasn't out of the ordinary)
> This
> didn't seem to stop the process, so I am assuming the problem is in the
> computer. I have a Windows 2000, Redhat, 9.0, Redhat 8.0 on the rest of
> my
> network. No problems with any of them. I have googled, I have McAfee'd, I
> have done a few other search engines, but I come up empty as to what this
> is. Spybot and Ad-Aware found nothing, as I run them daily. Any ideas
> where
> to go next? I am fresh out of ideas at the moment
>
> Sam
>
>
> ---------------------------------------------------------------------------
> ----------------------------------------------------------------------------
>

-----------------------
Dilex Network | CO-Founder, Network Administrator
irc.dilexnet.net #dilexnet brut
http://www.dilexnet.net

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