Trojan.StartPage

nath · #1 (**permalink**) 25-02-2005, 06:37 PM

Hello,
Norton has just detected the trojan.startpage on my computer and is not able to delete it. I have deleted the file it is referring to (C:\\WINDOWS\sehelp.dll) but the norton message keeps on reappearing.
Here is my highjackthis log. Could someone help me cleaning it.
Thank you for help.

Logfile of HijackThis v1.99.1
Scan saved at 18:36:50, on 25/02/2005
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2600.0000)

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\Explorer.EXE
C:\Program Files\Fichiers communs\Symantec Shared\ccSetMgr.exe
C:\Program Files\Fichiers communs\Symantec Shared\SNDSrvc.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe
C:\Program Files\ScanSoft\OmniPageSE\opware32.exe
C:\Program Files\Fichiers communs\Microsoft Shared\Works Shared\WkUFind.exe
C:\WINDOWS\Mixer.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Program Files\Messenger\msmsgs.exe
C:\WINDOWS\System32\CTFMON32.EXE
C:\WINDOWS\System32\CSRSSU.EXE
C:\Program Files\Fichiers communs\Microsoft Shared\Works Shared\wkcalrem.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccProxy.exe
C:\Program Files\Norton Internet Security\Norton AntiVirus\navapsvc.exe
C:\WINDOWS\system32\pctspk.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Norton Internet Security\Norton AntiVirus\SAVScan.exe
C:\WINDOWS\System32\wuauclt.exe
C:\Documents and Settings\Nathalie et Olivier\Local Settings\Temp\Répertoire temporaire 1 pour hijackthis.zip\HijackThis.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: SEDP Class - {3BA765C2-08DB-4fe2-9279-311CA10D582A} - C:\WINDOWS\sehlp.dll (file missing)
O2 - BHO: Web assistant - {9ECB9560-04F9-4bbc-943D-298DDF1699E1} - C:\Program Files\Fichiers communs\Symantec Shared\AdBlocking\NISShExt.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton Internet Security\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Web assistant - {0B53EAC3-8D69-4b9e-9B19-A37C9A5676A7} - C:\Program Files\Fichiers communs\Symantec Shared\AdBlocking\NISShExt.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton Internet Security\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe
O4 - HKLM\..\Run: [Omnipage] C:\Program Files\ScanSoft\OmniPageSE\opware32.exe
O4 - HKLM\..\Run: [WorksFUD] C:\Program Files\Microsoft Works\wkfud.exe
O4 - HKLM\..\Run: [Microsoft Works Portfolio] C:\Program Files\Microsoft Works\WksSb.exe /AllUsers
O4 - HKLM\..\Run: [Microsoft Works Update Detection] C:\Program Files\Fichiers communs\Microsoft Shared\Works Shared\WkUFind.exe
O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Program Files\Fichiers communs\Symantec Shared\Security Center\UsrPrmpt.exe
O4 - HKLM\..\Run: [C-Media Mixer] Mixer.exe /startup
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [CTFMON32] C:\WINDOWS\System32\CTFMON32.EXE
O4 - HKCU\..\Run: [CSRSSU] C:\WINDOWS\System32\CSRSSU.EXE
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: Rappels du Calendrier Microsoft Works.lnk = ?
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O16 - DPF: {11111111-1111-1111-1111-111111111111} - ms-its:mhtml:file://C:\foo.mht!http://195.225.176.25/user6/mstlb.chm::/1/e.exe
O17 - HKLM\System\CCS\Services\Tcpip\..\{09609D1B-52CB-4F4D-980F-BDCED256AC12}: NameServer = 80.118.192.112 80.118.196.42
O17 - HKLM\System\CS1\Services\Tcpip\..\{09609D1B-52CB-4F4D-980F-BDCED256AC12}: NameServer = 80.118.192.112 80.118.196.42
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Network Proxy (ccProxy) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccProxy.exe
O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccSetMgr.exe
O23 - Service: Service Norton AntiVirus Auto-Protect (navapsvc) - Symantec Corporation - C:\Program Files\Norton Internet Security\Norton AntiVirus\navapsvc.exe
O23 - Service: PCTEL Speaker Phone (Pctspk) - PCtel, Inc. - C:\WINDOWS\system32\pctspk.exe
O23 - Service: SAVScan - Symantec Corporation - C:\Program Files\Norton Internet Security\Norton AntiVirus\SAVScan.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FICHIE~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\SNDSrvc.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\Security Center\SymWSC.exe

owen · #2 (**permalink**) 28-02-2005, 10:12 PM

Close all browser windows, restart Hijack This and put a checkmark next to the following entries:

O2 - BHO: SEDP Class - {3BA765C2-08DB-4fe2-9279-311CA10D582A} - C:\WINDOWS\sehlp.dll (file missing)
O4 - HKCU\..\Run: [CTFMON32] C:\WINDOWS\System32\CTFMON32.EXE
O4 - HKCU\..\Run: [CSRSSU] C:\WINDOWS\System32\CSRSSU.EXE
O16 - DPF: {11111111-1111-1111-1111-111111111111} - ms-its:mhtml:file://C:\foo.mht!http://195.225.176.25/user6/mstlb.chm::/1/e.exe

Click Fix Checked

Then boot into Safe Mode and ensure that you are showing Hidden Files and Folders.

Delete the following files and folders:
C:\WINDOWS\System32\CTFMON32.EXE
C:\WINDOWS\System32\CSRSSU.EXE

Reboot and post a fresh log

nath · #3 (**permalink**) 28-02-2005, 10:43 PM

Hello,
Thank you for help. The trojan seems to have disappeared. Here is my new log to check if it is clean now.
Thanks again.

Logfile of HijackThis v1.99.1
Scan saved at 22:41:17, on 28/02/2005
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2600.0000)

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\logonui.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccSetMgr.exe
C:\Program Files\Fichiers communs\Symantec Shared\SNDSrvc.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe
C:\Program Files\ScanSoft\OmniPageSE\opware32.exe
C:\Program Files\Fichiers communs\Microsoft Shared\Works Shared\WkUFind.exe
C:\Program Files\Fichiers communs\Symantec Shared\Security Center\UsrPrmpt.exe
C:\WINDOWS\Mixer.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\Fichiers communs\Microsoft Shared\Works Shared\wkcalrem.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccProxy.exe
C:\Program Files\Norton Internet Security\Norton AntiVirus\navapsvc.exe
C:\WINDOWS\system32\pctspk.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Norton Internet Security\Norton AntiVirus\SAVScan.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\WINDOWS\System32\wuauclt.exe
C:\Documents and Settings\Nathalie et Olivier\Local Settings\Temp\Répertoire temporaire 4 pour hijackthis.zip\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: Web assistant - {9ECB9560-04F9-4bbc-943D-298DDF1699E1} - C:\Program Files\Fichiers communs\Symantec Shared\AdBlocking\NISShExt.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton Internet Security\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Web assistant - {0B53EAC3-8D69-4b9e-9B19-A37C9A5676A7} - C:\Program Files\Fichiers communs\Symantec Shared\AdBlocking\NISShExt.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton Internet Security\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe
O4 - HKLM\..\Run: [Omnipage] C:\Program Files\ScanSoft\OmniPageSE\opware32.exe
O4 - HKLM\..\Run: [WorksFUD] C:\Program Files\Microsoft Works\wkfud.exe
O4 - HKLM\..\Run: [Microsoft Works Portfolio] C:\Program Files\Microsoft Works\WksSb.exe /AllUsers
O4 - HKLM\..\Run: [Microsoft Works Update Detection] C:\Program Files\Fichiers communs\Microsoft Shared\Works Shared\WkUFind.exe
O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Program Files\Fichiers communs\Symantec Shared\Security Center\UsrPrmpt.exe
O4 - HKLM\..\Run: [C-Media Mixer] Mixer.exe /startup
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [MSConfig] C:\WINDOWS\PCHealth\HelpCtr\Binaries\MSConfig.exe /auto
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: Rappels du Calendrier Microsoft Works.lnk = ?
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} (RdxIE Class) - http://software-dl.real.com/28425c81...dxIE601_fr.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{09609D1B-52CB-4F4D-980F-BDCED256AC12}: NameServer = 80.118.192.110 80.118.196.40
O17 - HKLM\System\CS1\Services\Tcpip\..\{09609D1B-52CB-4F4D-980F-BDCED256AC12}: NameServer = 80.118.192.110 80.118.196.40
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Network Proxy (ccProxy) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccProxy.exe
O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccSetMgr.exe
O23 - Service: Service Norton AntiVirus Auto-Protect (navapsvc) - Symantec Corporation - C:\Program Files\Norton Internet Security\Norton AntiVirus\navapsvc.exe
O23 - Service: PCTEL Speaker Phone (Pctspk) - PCtel, Inc. - C:\WINDOWS\system32\pctspk.exe
O23 - Service: SAVScan - Symantec Corporation - C:\Program Files\Norton Internet Security\Norton AntiVirus\SAVScan.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FICHIE~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\SNDSrvc.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\Security Center\SymWSC.exe

owen · #4 (**permalink**) 14-03-2005, 12:41 PM

Thats a clean log and I guess things are running fine!

Preventing it returning

After your problem has been resolved on the forum, it is an absoulute MUST to do the following steps to prevent the problem returning. Click on the link to get access to the software or webpage that I'm referring to.

1. Visit Windows Update
Pay a visit to Windows Update and scan for and download ALL Critical Updates and Service Packs. New updates are usually released monthly so check back to Windows Update every month.

2. Clean Up and Speed Up-
It is important that after you have had a spyware/virus infection that you clean up your PC (this includes cleaning out usage tracks, temporary files, emptying the recycle bin, etc). It is so important because during the installation and uninstallation of spyware (and most programs), many temporary or useless files are left behind. If you accidently run one of these files, you could end up with the problem returning. See the link above for lots of information on clearing out your PC and improving your PCs performance and general speed.

3. Consider an alternative browser or tighten IE settings-
Internet Explorer is installed on most systems and used by the majority of people, so of course its going to be a prime target for malware and hackers. To make the matters worse, Internet Explorer is very vulnerable to hijacks and the automatic installation of programs. This is how a lot of spyware enters your PC in the first place. So unless you secure Internet Explorer, you are seriously at risk. There is risk with any Internet browser, but even when IE is secured, there are still risks. IE can still be exploited as long as installed on your system, you don't necessarily have to use it, so this shows the importance of securing it. Here are five steps to take to Secure IE:

Install Sun Java instead of using MS Java VM. Get from www.java.com. Sun Java is much more secure.
Scroll up and read about Windows Updates (number 1). This is essential to patch newly discovered flaws in Internet Explorer.
Scroll down and read about Spyware Blaster (number 7. This is important so that nasty sites can't exploit your machine.
Take a look at the article here. Scroll down to the "If you have to use MSIE" section and have a read of the information about the recommended security settings in IE. A program is also mentioned called IESPYADS, its is worth downloading and installing this.

If you wish to use an alternative browser that is perhaps more secure than IE, consider Mozilla Firefox, Mozilla, Opera or Netscape.

4. Download Antivirus Software-
If you haven't already got Antivirus software, you should download and install AVG Antivirus. It is freeware and is updated nearly every 2 days (sometimes more frequently if there are a lot of new viruses) and in my opinion, is better than some Antivirus software such as Norton. Antivirus software will prevent viruses infecting your system and it is important that you update it every two days or every week at the most.

5. Download a Firewall-
If you haven't already got a firewall, it is Very important that you download one. Firewalls will prevent unauthorised access to your computer and stop data leaking out of your computer. You may think that it won't happen to you, but Hackers don't care who you are, what you do, where you live or what you had for tea last Sunday on your holiday in the Lake District, they want your data. Firewalls will keep these sneaks out and one of the best is Sygate Personal Firewall, which happens to be freeware.

6. Spyware Scanners-
It is important that as well as having real time spyware protection, you have a spyware scanning application. If you have not already downloaded one mentioned earlier in this thread, it is a good idea to download Spybot Search And Destroy and Ad-aware. They are both spyware scanners and will search for a remove spyware. It is recommended that you have both, because one will pick up entries that the other misses. It is even a good idea to download these if you have other programs such as ASE, Spysweeper, Pest Patrol, etc, because one spyware scanner will not pick up everything. Please remember to update your spyware scanners weekly/fortnightly.

7. Prevent Spyware slipping through Internet Explorer-
Quite a lot of spyware slips through Internet Explorer if your settings are not tight enough. Spyware Blaster will help you prevent spyware slipping through and installing tracking cookies. Simply run it via Start> Programs> Spyware Blaster and click Enable All Protection and it will protect you. It doesn't even have to be open! Remember to update weekly/fortnightly.

8. Constant Spyware Protection-
It is important to have constant spyware protection. Spyware Guard works like an antivirus program but detects Spyware instead. It will constantly protect your system. Check for updates monthly.

All Of these steps are very important and it is HIGHLY recommended that you download all of the programs mentioned for your own safety. Remember to Update everything (including Windows using Windows Update)! It is also a good idea to perform weekly/fortnightly scans with Spybot S&D, Ad-aware and your antivirus software.

And last of all, please remember, that common sense is your greatest tool. Without it, spyware and other related Malware would rule!