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Norton Firewall Security gets disabled?

Posted on 2004-04-30
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Last Modified: 2013-12-04
I have MS-XP and am on a small local network, all machines are running Norton AV and Firewall.  Mine is the only one running XP and the other 3 are running WinME.  About every day I am noticing that my Norton Firewall system tray icon shows an exclaimation point.  When I open it, it says that the security feature is disabled.  I can enable it and continue, but I'm concerned since I've been getting some virus, worm, and trojan attacks lately that the WinME machines are not (and their Norton is working flawlessly).  

I have received Netsky, GaoBot.Zx and W32.IRCBot, and Norton seems to catch these and delete any files, but I'm concerned that something else is going on that Norton can't control.  A couple of times it appeared that my machine was under control by a remote user when my printer started printing pages of ascii characters without my control.  I wrote this off the first time as fluke, but after the 3rd time, along with daily-random disabling of my security feature has got me concerned.

A week ago, I ran the Norton security check and it did identify some "open port" vulnerabilities.  I've installed all recommended patches and latest updates from Microsoft Windows update and this closed all of the open ports, so I figured I was good to go. However, just today, I received the W32.IRCBot trojan notice which it said caught and deleted.  I decided to run the Norton Firewall Security check again and guess what, all vulnerabilities are back - open ports!!

How do I keep Norton security from being disabled?

Also, if I've installed all known XP patches, is there anything else I can do to prevent this suspicious activity from continuing?

Thanks,
Joval2003
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Question by:joval2003
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LeftofCool earned 125 total points
ID: 10963900
From the printing attacks and the program changes you've described, it sounds like you have a trojan horse that is allowing the sender to continue to bombard you with other viruses and trojans. A trojan horse is a program that has the ability to allow complete access to a computer from a remote location without your consent. While NAV is a great AV tool, it will need to be coupled with several other AV and anti-spyware/adware tools in order to get rid of this particular threat. I am going to give you a list of tools originally posted by Sirbounty with some minor modifications.

Check for Spyware/Adware:
  Spybot-S&D -->  http://fileforum.betanews.com/detail.php3?fid=1043809773
  Ad-Aware --> http://www.lavasoftusa.com
  HijackThis -->http://www.spychecker.com/program/hijackthis.html
  Web Shredder -->http://www.spywareinfo.com/~merijn/cwschronicles.html#cwshredder

Check for Viruses with online scanners:
  Norton/Symantec --> http://security.symantec.com/sscv6/default.asp?productid=symhome&langid=ie&venid=sym
  Trend Micro --> http://housecall.antivirus.com/housecall/start_corp.asp
  Panda ActiveScan --> http://www.pandasoftware.com/activescan/
  McAfee Security --> http://us.mcafee.com/root/mfs/default.asp
  Individual File Scanner --> http://www.kaspersky.com/remoteviruschk.html

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Expert Comment

by:LeftofCool
ID: 10963908
Also, please post the Hijack This log here after you have downloaded it. Be sure to run NAV and all anti-spyware/adware tools listed above in safe mode as well as in regular mode.
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Assisted Solution

by:Rich Rumble
Rich Rumble earned 125 total points
ID: 10964809
Lot's of the latest rash of viri are disableing AV and firewall software... i've found that simply renaming them (be careful, make copies) they will run.
Try McAfee's stinger: http://vil.nai.com/vil/stinger/
http://download.nai.com/products/mcafee-avert/SystemHelpDocs/DisableSysRestore.htm (this is necessary to remove the viri completely... disable, then find them, then reboot, and scan again for good measure)
http://securityresponse.symantec.com/avcenter/venc/data/w32.gaobot.afw.html (this turns off lot's of services and programs- stinger is not listed)
System restore is the main reason XP seems to get reinfected...
-rich

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