Received Avast Rootkit Notification of
c:\windows\system32\drivers\tfkbmon.sys
I have at the moment have skipped the deleteion of same as I am not sure if it is a problem?
I did a quick search using goggle and appears the file could be related to the Free Threatfire program I am using
Please advise
[Using Widows XP SP2 Sp3 with all MS updates installed = Comodo 2.4 Firewall = Windows Defender = Avast Free Home 4.8 with all updates installed]
When it next pops-up there is a submission link, I would do that.
avast by all account isn’t the only thing that detects this threatfire driver, Kaspersky for one as your google search will no doubt have shown. The PC Tools forum pretty much dismisses the detection out of hand, http://www.pctools.com/forum/showthread.php?t=48678. It would have been nice if they provided an MD5 number for the file so that people could compare to see their file hadn’t been modified.
The 64,000 dollar question would have to be do you have threatfire installed ?
You could also check the offending/suspect file at: VirusTotal - Multi engine on-line virus scanner and report the findings here. You can’t do this with the file securely in the chest, you need to extract it to a temporary (not original) location first, see below.
Create a folder called Suspect in the C:\ drive, e.g. C:\Suspect. Now exclude that folder in the Standard Shield, Customize, Advanced, Add, type (or copy and paste) C:\Suspect* That will stop the standard shield scanning any file you put in that folder. You should now be able to export any file in the chest to this folder and upload it to VirusTotal without avast alerting.
If it is indeed a false positive, see http://forum.avast.com/index.php?topic=34950.msg293451#msg293451, how to report it to avast! and what to do to exclude them until the problem is corrected.
Hi maybeok0 and DavidR,
The workings of the threatfire module can be interpreted as the workings of a keylogger, in that case it is a false positive. But again I would go to virustotal and see what flags it. It could also be a find after Threatfire (because by some it does more than the HIPS should) has been uninstalled, and then tfkbmon.sys can be a left-over of a not fully completed uninstall. I have noticed that TfKbMon.sys sometimes does not always uninstall. After uninstalling, you usually check for left overs with autoruns and a couple of other tools…
polonus
Hi,
Many thanks for your replies!
I have uninstalled fully "Threatfire using the “Free Revo Uninstaller” prgm [used the REVO No4 to fully remove it.]
I rechecked for files still left behind and by using “Search” [Showing "Hiden Files] the search found the file of “c:\windows\system32\drivers\tfkbmon.sys”
I renamed it to oldtfkbmon and used my computer to check if computer still was OK.
Used my computer with no probems so I deleted it
After this I did do a “Avast Full Boot Scan” and it returned a report with no errors
By using my computer over 3 hrs I am not having any problems at all
Many thanks
Colin
You’re welcome.
It might be worthwhile running HiJackThis to ensure there aren’t any registry entries for it or other threatfire stuff, even though you have run revo.
For HJT …
Please download HijackThis from the link below. Do not download HJT to the desktop but instead download it into it’s own folder on the hard drive.
Run the program but do not make any fixes and then post the log results using the “copy & paste” method. It will probably take more than one post to be able to get the complete log posted.
OR, you can post it as an attachment to your post by clicking on “Additional Options…” below left of the posting box. Someone will review your log and then offer help.
http://filehippo.com/download_hijackthis/
Many thanks to CharlieO and DavidR
I have created the HiJack Log file from my computer and have added same to my reply.
There seems onlt a few items that I can see which may need attention
Will await someones reply
Regards Colin
xxxxxxxxxxxxxxxxxx
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 6:07:16 AM, on 31/10/2008
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16735)
Boot mode: Normal
Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\Program Files\Comodo\Firewall\cmdagent.exe
C:\WINDOWS\system32\LVCOMSX.EXE
C:\Program Files\CyberLink DVD Solution\PowerDVD\PDVDServ.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Program Files\Brother\Brmfcmon\BrMfcWnd.exe
C:\Program Files\Microsoft IntelliType Pro\itype.exe
C:\Program Files\Java\jre1.6.0_07\bin\jusched.exe
C:\Program Files\Alwil Software\Avast4\ashDisp.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\Comodo\Firewall\CPF.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\rundll32.exe
c:\Program Files\Microsoft IntelliType Pro\dpupdchk.exe
C:\Program Files\Kodak\KODAK Picture Transfer Software\pts.exe
C:\Program Files\Logitech\SetPoint\SetPoint.exe
C:\WINDOWS\system32\PSIService.exe
C:\Program Files\Mightyfax\MFNTCTL.EXE
C:\Program Files\Brother\Brmfcmon\BrMfcmon.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\UPHClean\uphclean.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Common Files\Logishrd\KHAL2\KHALMNPR.EXE
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://windowsupdate.microsoft.com/
O2 - BHO: (no name) - {02478D38-C3F9-4efb-9B51-7695ECA05670} - (no file)
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: Skype add-on (mastermind) - {22BF413B-C6D2-4d91-82A9-A0F997BA588C} - C:\Program Files\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O4 - HKLM..\Run: [LVCOMSX] C:\WINDOWS\system32\LVCOMSX.EXE
O4 - HKLM..\Run: [RemoteControl] “C:\Program Files\CyberLink DVD Solution\PowerDVD\PDVDServ.exe”
O4 - HKLM..\Run: [Kernel and Hardware Abstraction Layer] KHALMNPR.EXE
O4 - HKLM..\Run: [Adobe Reader Speed Launcher] “C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe”
O4 - HKLM..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM..\Run: [BrMfcWnd] C:\Program Files\Brother\Brmfcmon\BrMfcWnd.exe /AUTORUN
O4 - HKLM..\Run: [ControlCenter3] C:\Program Files\Brother\ControlCenter3\brctrcen.exe /autorun
O4 - HKLM..\Run: [QuickTime Task] “C:\Program Files\QuickTime\qttask.exe” -atboottime
O4 - HKLM..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM..\Run: [nwiz] nwiz.exe /install
O4 - HKLM..\Run: [itype] “c:\Program Files\Microsoft IntelliType Pro\itype.exe”
O4 - HKLM..\Run: [SunJavaUpdateSched] “C:\Program Files\Java\jre1.6.0_07\bin\jusched.exe”
O4 - HKLM..\Run: [avast!] “C:\Program Files\Alwil Software\Avast4\ashDisp.exe”
O4 - HKLM..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM..\Run: [COMODO Firewall Pro] “C:\Program Files\Comodo\Firewall\CPF.exe” /background
O4 - HKLM..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKCU..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU..\Run: [TClockEx] C:\Program Files\TClockEx\TCLOCKEX.EXE
O4 - HKCU..\Run: [NBJ] “C:\Program Files\Ahead\Nero BackItUp\nbj.exe”
O4 - HKUS\S-1-5-19..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User ‘LOCAL SERVICE’)
O4 - HKUS\S-1-5-20..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User ‘NETWORK SERVICE’)
O4 - HKUS\S-1-5-18..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User ‘SYSTEM’)
O4 - HKUS.DEFAULT..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User ‘Default user’)
O4 - Global Startup: KODAK Picture Transfer Software.lnk = ?
O4 - Global Startup: Logitech SetPoint.lnk = C:\Program Files\Logitech\SetPoint\SetPoint.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: MightyFAX Controller.lnk = C:\Program Files\Mightyfax\MFNTCTL.EXE
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra ‘Tools’ menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra button: Blog This - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra ‘Tools’ menuitem: &Blog This in Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Skype - {77BF5300-1474-4EC7-9980-D32B190E9B07} - C:\Program Files\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra ‘Tools’ menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra ‘Tools’ menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O12 - Plugin for .UVR: C:\Program Files\Internet Explorer\Plugins\NPUPano.dll
O16 - DPF: {0D6709DD-4ED8-40CA-B459-2757AEEF7BEE} (Dldrv2 Control) - http://download.gigabyte.com.tw/object/Dldrv.ocx
O16 - DPF: {1E54D648-B804-468d-BC78-4AFFED8E262E} (System Requirements Lab) - http://www.nvidia.com/content/DriverDownload/srl/3.0.0.0/srl_bin/sysreqlab3.cab
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\COMMON~1\Skype\Skype4COM.dll
O20 - AppInit_DLLs:
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: Comodo Application Agent (CmdAgent) - COMODO - C:\Program Files\Comodo\Firewall\cmdagent.exe
O23 - Service: Logitech Bluetooth Service (LBTServ) - Logitech, Inc. - C:\Program Files\Common Files\Logishrd\Bluetooth\LBTServ.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: ProtexisLicensing - Unknown owner - C:\WINDOWS\system32\PSIService.exe
O23 - Service: Marvell Yukon Service (yksvc) - Unknown owner - RUNDLL32.EXE (file missing)
–
End of file - 8049 bytes
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
This one belongs to Windows Live Messenger …
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
http://www.castlecops.com/tk32132-htc_8_1_0178_00_dll.html
… and is the only one I did not recognize. Otherwise, I do not see much to worry about but I am not an expert on HJT logs.
Please wait for another opinion.
Hi CharlieO
Thanks for your reply!
I noted your comments on the one file relating to Windows Live Messenger
Yes I am using their current version and I feel the file may be relating to an earlier Windows Live Messenger programming I used.
At the moment will not worry about it and will leave where it is
Thankyou
Colin