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Infected With Backdoor-cvt


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#1 funky

funky

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Posted 15 September 2006 - 01:02 AM

Hi guys, i've been havin some problems with my pc .. Virusburst infected the computer and i removed virusburst with the help of tips in this forum with roguescanfix ... also used smitRem ... still the pc is infected .. and a window keeps coming with msg. "You are not authorised to view this page" .. and i keep gettin pop ups .. like "ur pc is infected with malicious trojans, spyware etc".... when i started computer today ... windows drive was left with only 3 MB which earlier had around 2 GB of free space i used McAfee free scan and it found this file "D:\WINDOWS\system32\winbjt32.dll - BackDoor-CVT" i also keep gettin a security alert :NetWorm-i.Virus@fp and it says click this baloon to download certified AntiVirus software and it leads me to this "http://www.thesecuritypages.com/gatevc.php?id=icn03"
which says you r not authorised to view this page ... this is really frustratin .. please help me ...

Logfile of HijackThis v1.99.1
Scan saved at 11:09:19 AM, on 15/09/2006
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

Running processes:
D:\WINDOWS\System32\smss.exe
D:\WINDOWS\system32\winlogon.exe
D:\WINDOWS\system32\services.exe
D:\WINDOWS\system32\lsass.exe
D:\WINDOWS\system32\svchost.exe
D:\Program Files\Windows Defender\MsMpEng.exe
D:\WINDOWS\System32\svchost.exe
D:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
D:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
D:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
D:\WINDOWS\system32\spoolsv.exe
D:\Program Files\Symantec\LiveUpdate\ALUSchedulerSvc.exe
D:\WINDOWS\system32\drivers\CDAC11BA.EXE
D:\Program Files\Common Files\Microsoft Shared\VS7Debug\mdm.exe
D:\Program Files\Norton AntiVirus\navapsvc.exe
D:\Program Files\Norton AntiVirus\IWP\NPFMntor.exe
D:\WINDOWS\System32\svchost.exe
D:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
D:\Program Files\HHVcdV5Sys\VC5SecS.exe
D:\WINDOWS\system32\WgaTray.exe
D:\WINDOWS\Explorer.EXE
D:\Program Files\strCodec\pmsngr.exe
D:\WINDOWS\ALCFDRTM.EXE
D:\Program Files\Common Files\Real\Update_OB\realsched.exe
D:\Program Files\Common Files\Symantec Shared\ccApp.exe
D:\Program Files\HHVcdV5Sys\VC5Play.exe
D:\Program Files\strCodec\pmmon.exe
D:\Program Files\Common Files\{C8839C5D-0BB8-1033-0128-051018200001}\Update.exe
D:\WINDOWS\system32\ctfmon.exe
D:\Program Files\Virtual CD v5\System\VC5Tray.exe
D:\Program Files\Yahoo!\Messenger\ymsgr_tray.exe
D:\WINDOWS\System32\svchost.exe
D:\Program Files\Internet Explorer\iexplore.exe
D:\Program Files\DAP\DAP.EXE
D:\WINDOWS\system32\LVComsX.exe
D:\Program Files\Internet Explorer\iexplore.exe
D:\Program Files\Messenger\msmsgs.exe
D:\Program Files\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = localhost:8080
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = localhost
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - D:\Program Files\Yahoo!\Companion\Installs\cpn2\yt.dll
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - D:\Program Files\Yahoo!\Companion\Installs\cpn2\yt.dll
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - D:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: UberButton Class - {5BAB4B5B-68BC-4B02-94D6-2FC0DE4A7897} - D:\Program Files\Yahoo!\Common\yiesrvc.dll
O2 - BHO: (no name) - {5C8B2A36-3DB1-42A4-A3CB-D426709BBFEB} - (no file)
O2 - BHO: YahooTaggedBM Class - {65D886A2-7CA7-479B-BB95-14D1EFB7946A} - D:\Program Files\Yahoo!\Common\YIeTagBm.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - D:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O2 - BHO: CNavExtBho Class - {BDF3E430-B101-42AD-A544-FADC6B084872} - D:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - D:\Program Files\Yahoo!\Companion\Installs\cpn2\yt.dll
O3 - Toolbar: DAP Bar - {62999427-33FC-4baf-9C9C-BCE6BD127F08} - D:\Program Files\DAP\DAPIEBar.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - D:\Program Files\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [AlcFDMonitor] D:\WINDOWS\ALCFDRTM.EXE
O4 - HKLM\..\Run: [TkBellExe] "D:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [QuickTime Task] "D:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [ccApp] "D:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] D:\PROGRA~1\SYMNET~1\SNDMon.exe /Consumer
O4 - HKLM\..\Run: [Adobe Photo Downloader] "D:\Program Files\Adobe\Photoshop Album Starter Edition\3.0\Apps\apdproxy.exe"
O4 - HKLM\..\Run: [VC5Player] D:\Program Files\HHVcdV5Sys\VC5Play.exe
O4 - HKCU\..\Run: [ctfmon.exe] D:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Yahoo! Pager] "D:\Program Files\Yahoo!\Messenger\YahooMessenger.exe" -quiet
O8 - Extra context menu item: &Download with &DAP - D:\Program Files\DAP\dapextie.htm
O8 - Extra context menu item: &Yahoo! Search - file:///D:\Program Files\Yahoo!\Common/ycsrch.htm
O8 - Extra context menu item: Download &all with DAP - D:\Program Files\DAP\dapextie2.htm
O8 - Extra context menu item: E&xport to Microsoft Excel - res://D:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: Yahoo! &Dictionary - file:///D:\Program Files\Yahoo!\Common/ycdict.htm
O8 - Extra context menu item: Yahoo! &Maps - file:///D:\Program Files\Yahoo!\Common/ycmap.htm
O8 - Extra context menu item: Yahoo! &SMS - file:///D:\Program Files\Yahoo!\Common/ycsms.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - D:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - D:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra button: Yahoo! Services - {5BAB4B5B-68BC-4B02-94D6-2FC0DE4A7897} - D:\Program Files\Yahoo!\Common\yiesrvc.dll
O9 - Extra button: AIM - {AC9E2541-2814-11d5-BC6D-00B0D0A1DE45} - D:\Program Files\AIM\aim.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - D:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - D:\Program Files\Messenger\msmsgs.exe
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (YInstStarter Class) - D:\Program Files\Yahoo!\Common\yinsthelper.dll
O16 - DPF: {7584C670-2274-4EFB-B00B-D6AABA6D3850} (Microsoft RDP Client Control (redist)) - http://cat.libertywireless.com/tsweb/msrdp.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://acs.pandasoftware.com/activescan/as5free/asinst.cab
O16 - DPF: {A2ECDF87-BFE5-4EBA-852A-45E4F881377F} (icePlayer Class) - http://www.flashants.com/codebase/iceplayer.cab
O16 - DPF: {C81B5180-AFD1-41A3-97E1-99E8D254DB98} (CSS Web Installer Class) - http://www.freedom.net/viruscenter/onlinev...cabs/cssweb.cab
O16 - DPF: {EF791A6B-FC12-4C68-99EF-FB9E207A39E6} (McFreeScan Class) - http://download.mcafee.com/molbin/iss-loc/...851/mcfscan.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{29040B09-0A61-4C53-BF8B-6AB3746D4554}: NameServer = 172.16.0.1
O17 - HKLM\System\CCS\Services\Tcpip\..\{798E1421-0FEF-414E-B24B-983215377007}: NameServer = 202.56.230.6,202.56.215.6
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "D:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O20 - Winlogon Notify: igfxcui - D:\WINDOWS\SYSTEM32\igfxsrvc.dll
O20 - Winlogon Notify: WgaLogon - D:\WINDOWS\SYSTEM32\WgaLogon.dll
O20 - Winlogon Notify: winbjt32 - D:\WINDOWS\SYSTEM32\winbjt32.dll
O23 - Service: ANSYS FLEXlm license manager - GLOBEtrotter Software Inc. - D:\PROGRA~1\ANSYSI~1\SHARED~1\LICENS~1\Intel\lmgrd.exe
O23 - Service: Automatic LiveUpdate Scheduler - Symantec Corporation - D:\Program Files\Symantec\LiveUpdate\ALUSchedulerSvc.exe
O23 - Service: C-DillaCdaC11BA - Macrovision - D:\WINDOWS\system32\drivers\CDAC11BA.EXE
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - D:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - D:\Program Files\Common Files\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - D:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
O23 - Service: LiveUpdate - Symantec Corporation - D:\PROGRA~1\Symantec\LIVEUP~1\LUCOMS~1.EXE
O23 - Service: Norton AntiVirus Auto-Protect Service (navapsvc) - Symantec Corporation - D:\Program Files\Norton AntiVirus\navapsvc.exe
O23 - Service: Norton AntiVirus Firewall Monitor Service (NPFMntor) - Symantec Corporation - D:\Program Files\Norton AntiVirus\IWP\NPFMntor.exe
O23 - Service: SAVScan - Symantec Corporation - D:\Program Files\Norton AntiVirus\SAVScan.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - D:\PROGRA~1\COMMON~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - D:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
O23 - Service: Symantec SPBBCSvc (SPBBCSvc) - Symantec Corporation - D:\Program Files\Common Files\Symantec Shared\SPBBC\SPBBCSvc.exe
O23 - Service: Symantec Core LC - Symantec Corporation - D:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
O23 - Service: Virtual CD v5 Security service (VC5SecS) - H+H Software GmbH - D:\Program Files\HHVcdV5Sys\VC5SecS.exe

Edited by funky, 15 September 2006 - 01:55 AM.


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#2 funky

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Posted 15 September 2006 - 01:49 AM

I also tried Mcafee stinger to remove winbjt32.dll ... but it didnt help ... lately i have also started gettin pop ups of system performance monitor: Warining
system performance slowed down by: 47%
Internet connection speed decreased by: 39%
Probable reasons: Spyware/Adware popup windows
Click this ballon to dwnload spyware scan :thumbsup: .... its a mess ... kindly help me ...

#3 -David-

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Posted 15 September 2006 - 11:28 AM

Hello there and welcome to Bleeping Computer's security forum.
My name is David, I will be helping you with your log today.

It is a good idea to print off these instructions:
This will be useful as there is a possibility some of the instructions will need to be carried out where internet access is not available.
You may also like to save these instructions in word/notepad to the desktop where they can be easily found for the same reasons as above.
A print out of the instructions would be a good reference to make sure you don't yet lost.
Also, it is important that you complete the instructions in the right order, and also that you don't miss any steps out!
If you have any queries about the process or just general questions, just ask.

Start HijackThis, close all open windows leaving only HijackThis running. Place a check against each of the following if still present:

O20 - Winlogon Notify: winbjt32 - D:\WINDOWS\SYSTEM32\winbjt32.dll

Click on Fix Checked when finished and exit HijackThis.
Make sure your Internet Explorer is closed when you click Fix Checked!

Open hijackthis, click 'config' (bottom right)
Choose the tab 'misc Tools' on top.
Choose 'delete a file on reboot'
In the field, copy and paste next:

D:\WINDOWS\SYSTEM32\winbjt32.dll

Click open.
Hijackthis will tell you that this file will be deleted on next reboot and if you want to reboot now.
When asked if you want to reboot now, say Yes.

Please download Combofix to your desktop.
Doubleclick combo.exe to launch the application.
Follow the prompts that will be displayed on the screen.
Don't click on the window while the fix is running, because that will cause your system to hang.
When finished, it should produce a log, combofix.txt.
Post this log in your next reply together with a new hijackthislog.

David




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