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Trojan Horse Delf.2.AQ problem [CLOSED]


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#1
Skinney

Skinney

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I can't seem to get rid of this virus. The file is C:\Windows\System32\nvist3.dll. I have tried turning off System Restore and booting in safe mode. Even then I can't delete the key from the registry. AVG quarantines it, but it imediately returns. HijackThis cannot fix it when I check it.

Help!!!

Sharon Kinney

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 3:20:52 PM, on 3/25/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
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:\Program Files\Lavasoft\Ad-Aware 2007\aawservice.exe
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
C:\Program Files\Roxio\Easy CD Creator 5\DirectCD\DirectCD.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\Google\Google Updater\GoogleUpdater.exe
C:\WINDOWS\explorer.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft....k/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft....k/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft....k/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page = C:\WINDOWS\SYSTEM\blank.htm
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = localhost
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: (no name) - {54E9F79F-4332-4801-8958-5ACC8B6E35CA} - C:\WINDOWS\system32\NVINST3.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\2.1.615.5858\swg.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVG7\avgcc.exe /STARTUP
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKUS\S-1-5-19\..\Run: [MoneyAgent] "C:\Program Files\Microsoft Money\System\Money Express.exe" (User 'LOCAL SERVICE')
O4 - HKUS\S-1-5-19\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVG7\avgw.exe /RUNONCE (User 'LOCAL SERVICE')
O4 - HKUS\S-1-5-20\..\Run: [MoneyAgent] "C:\Program Files\Microsoft Money\System\Money Express.exe" (User 'NETWORK SERVICE')
O4 - HKUS\S-1-5-18\..\Run: [MoneyAgent] "C:\Program Files\Microsoft Money\System\Money Express.exe" (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [MoneyAgent] "C:\Program Files\Microsoft Money\System\Money Express.exe" (User 'Default user')
O4 - Global Startup: Google Updater.lnk = C:\Program Files\Google\Google Updater\GoogleUpdater.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~4\OFFICE10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search && Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
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
O16 - DPF: {41F17733-B041-4099-A042-B518BB6A408C} - http://a1540.g.akama...meInstaller.exe
O16 - DPF: {869F3BBC-A812-4D13-A93B-7B3FC816DCD5} (McAfee.com Updater) - http://download.mcaf...can/mcasupd.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://acs.pandasoft...free/asinst.cab
O23 - Service: Ad-Aware 2007 Service (aawservice) - Lavasoft - C:\Program Files\Lavasoft\Ad-Aware 2007\aawservice.exe
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe

--
End of file - 4576 bytes
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#2
Skinney

Skinney

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I ran ComboFix and here is the log:
Thanks for your help.


ComboFix 08-03-24.2 - HP Authorized Custom 2008-03-25 15:59:14.4 - FAT32x86
Running from: C:\Documents and Settings\HP Authorized Custom\Desktop\ComboFix.exe

WARNING -THIS MACHINE DOES NOT HAVE THE RECOVERY CONSOLE INSTALLED !!
.

((((((((((((((((((((((((( Files Created from 2008-02-25 to 2008-03-25 )))))))))))))))))))))))))))))))
.

2008-03-25 11:41 . 2008-03-25 11:41 <DIR> d-------- C:\Program Files\Lavasoft
2008-03-25 11:41 . 2008-03-25 11:41 <DIR> d-------- C:\Documents and Settings\All Users\Application Data\Lavasoft
2008-03-25 11:40 . 2008-03-25 11:40 <DIR> d-------- C:\Program Files\Common Files\Wise Installation Wizard
2008-03-25 10:02 . 2008-03-25 10:02 <DIR> d-------- C:\WINDOWS\SYSTEM32\ActiveScan
2008-03-25 10:02 . 2008-03-25 10:02 30,590 --a------ C:\WINDOWS\SYSTEM32\pavas.ico
2008-03-25 10:02 . 2008-03-25 10:02 2,550 --a------ C:\WINDOWS\SYSTEM32\Uninstall.ico
2008-03-25 10:02 . 2008-03-25 10:02 1,406 --a------ C:\WINDOWS\SYSTEM32\Help.ico
2008-03-25 09:42 . 2004-08-04 00:31 36,224 --a------ C:\WINDOWS\SYSTEM32\DRIVERS\an983.sys
2008-03-25 09:42 . 2004-08-04 00:31 36,224 --a------ C:\WINDOWS\SYSTEM32\dllcache\an983.sys
2008-03-25 08:59 . 2008-03-25 08:59 <DIR> d-------- C:\Program Files\Trend Micro
2008-03-25 08:39 . 2008-03-25 08:39 <DIR> d-------- C:\downloads
2008-03-25 08:38 . 2004-08-04 01:08 26,496 --a------ C:\WINDOWS\SYSTEM32\dllcache\usbstor.sys
2008-03-16 13:47 . 2008-03-16 13:47 <DIR> d-------- C:\Documents and Settings\Administrator\Application Data\AVG7

.
(((((((((((((((((((((((((((((((((((((((( Find3M Report ))))))))))))))))))))))))))))))))))))))))))))))))))))
.
2007-04-01 07:19 374 ----a-w C:\Documents and Settings\HP Authorized Custom\Application Data\internaldb6334.dat
2007-04-01 07:19 18,432 ----a-w C:\Documents and Settings\HP Authorized Custom\Application Data\internaldb41.dat
2007-04-01 06:51 538 ----a-w C:\Documents and Settings\HP Authorized Custom\Application Data\internaldb8467.dat
2005-10-16 17:36 32,776 ----a-w C:\Documents and Settings\HP Authorized Custom\Application Data\GDIPFONTCACHEV1.DAT
2000-11-01 20:51 271 --sh--w C:\Program Files\desktop.ini
2000-11-01 20:51 23,357 ---h--w C:\Program Files\folder.htt
2000-08-15 22:25 257,636 ----a-w C:\WINDOWS\FONTS\TBM313.TMP
2000-08-15 22:25 252,384 ----a-w C:\WINDOWS\FONTS\TBM315.TMP
.

((((((((((((((((((((((((((((((((((((( Reg Loading Points ))))))))))))))))))))))))))))))))))))))))))))))))))
.
.
*Note* empty entries & legit default entries are not shown
REGEDIT4

[HKEY_LOCAL_MACHINE\~\Browser Helper Objects\{54E9F79F-4332-4801-8958-5ACC8B6E35CA}]
2001-03-04 23:39 99072 --a------ C:\WINDOWS\system32\NVINST3.dll

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"swg"="C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe" [2007-11-30 18:43 68856]
"MSMSGS"="C:\Program Files\Messenger\msmsgs.exe" [2004-10-13 11:24 1694208]

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"AVG7_CC"="C:\PROGRA~1\Grisoft\AVG7\avgcc.exe" [2007-12-21 22:40 579072]

[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Run]
"MoneyAgent"="C:\Program Files\Microsoft Money\System\Money Express.exe" [ ]
"AVG7_Run"="C:\PROGRA~1\Grisoft\AVG7\avgw.exe" [2007-12-20 05:53 219136]

C:\Documents and Settings\All Users\Start Menu\Programs\Startup\
Google Updater.lnk - C:\Program Files\Google\Google Updater\GoogleUpdater.exe [2007-11-30 18:42:57 126136]

[HKEY_LOCAL_MACHINE\software\microsoft\shared tools\msconfig\startupreg\postSetupCheck]

[HKEY_LOCAL_MACHINE\software\microsoft\shared tools\msconfig\services]
"a2free"=2 (0x2)

[HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\setup\disabledrunkeys]
"LoadPowerProfile"=Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
"MMTray"=C:\Program Files\MusicMatch\MusicMatch Jukebox\mm_tray.exe
"hpsysdrv"=C:\WINDOWS\SYSTEM32\hpsysdrv.exe
"Delay"=C:\WINDOWS\delayrun.exe
"MotiveMonitor"=C:\Program Files\Motive\motmon.exe
"WorksFUD"=C:\Program Files\Microsoft Works\wkfud.exe
"mgavrtclexe"=C:\WINDOWS\MCBin\AV\Rt\mgavrtcl.exe
"HPDJ Taskbar Utility"=C:\WINDOWS\SYSTEM32\hpztsb02.exe
"wcmdmgr"=C:\WINDOWS\wt\wcmdmgrl.exe -launch
"SaveNow"=C:\PROGRA~1\SAVENOW\SaveNow.exe
"BearShare"=C:\PROGRAM FILES\BEARSHARE\BEARSHARE.EXE /m
"New.net Startup"=rundll32 C:\PROGRA~1\NEWDOT~1\NEWDOT~2.DLL,NewDotNetStartup

[HKEY_LOCAL_MACHINE\software\microsoft\security center]
"AntiVirusDisableNotify"=dword:00000001

[HKLM\~\services\sharedaccess\parameters\firewallpolicy\standardprofile\AuthorizedApplications\List]
"%windir%\\system32\\sessmgr.exe"=
"C:\\StubInstaller.exe"=
"C:\\Start Menu\\LimeWire\\LimeWire.exe"=
"C:\\Program Files\\Grisoft\\AVG7\\avginet.exe"=
"C:\\Program Files\\Grisoft\\AVG7\\avgamsvr.exe"=
"C:\\Program Files\\Grisoft\\AVG7\\avgcc.exe"=

R0 lxnbwxsz;lxnbwxsz;C:\WINDOWS\system32\drivers\pvuxsrpz.dat []
R3 AN983;ADMtek AN983/AN985/ADM951X 10/100Mbps Fast Ethernet Adapter;C:\WINDOWS\system32\DRIVERS\AN983.sys [2004-08-04 00:31]


[HKEY_LOCAL_MACHINE\software\microsoft\active setup\installed components\{9EF0045A-CDD9-438e-95E6-02B9AFEC8E11}]
C:\WINDOWS\SYSTEM32\updcrl.exe -e -u C:\WINDOWS\SYSTEM\verisignpub1.crl
.
Contents of the 'Scheduled Tasks' folder
"2008-03-06 00:00:02 C:\WINDOWS\Tasks\Tune-up Application Start.job"
"2008-03-25 18:19:58 C:\WINDOWS\Tasks\PCHealth Scheduler for Data Collection.job"
- C:\WINDOWS\PCHEALTH\SUPPORT\PCHSCHD.EXE
"2007-12-17 11:11:10 C:\WINDOWS\Tasks\AppleSoftwareUpdate.job"
- C:\Program Files\Apple Software Update\SoftwareUpdate.exe
.
**************************************************************************

catchme 0.3.1344 W2K/XP/Vista - rootkit/stealth malware detector by Gmer, http://www.gmer.net
Rootkit scan 2008-03-25 16:03:54
Windows 5.1.2600 Service Pack 2 FAT NTAPI

scanning hidden processes ...

scanning hidden autostart entries ...

scanning hidden files ...

scan completed successfully
hidden files: 0

**************************************************************************

[HKEY_LOCAL_MACHINE\system\ControlSet001\Services\lxnbwxsz]
"ImagePath"="system32\drivers\pvuxsrpz.dat"
.
Completion time: 2008-03-25 16:05:15
ComboFix-quarantined-files.txt 2008-03-25 21:05:12
ComboFix4.txt 2008-03-25 13:52:12
ComboFix3.txt 2008-03-25 14:13:32
ComboFix2.txt 2008-03-25 20:12:22
.
2008-03-13 05:10:28 --- E O F ---
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#3
Rorschach112

Rorschach112

    Ralphie

  • Retired Staff
  • 47,710 posts
Hello

Delete your version of ComboFix.exe and the folders C:\ComboFix and C:\qoobox then do this


Please download ComboFix from Here or Here to your Desktop.

**Note: In the event you already have Combofix, this is a new version that I need you to download. It is important that it is saved directly to your desktop**
  • Please, never rename Combofix unless instructed.
  • Close any open browsers.
  • Close/disable all anti virus and anti malware programs so they do not interfere with the running of ComboFix.

    -----------------------------------------------------------

    • Very Important! Temporarily disable your anti-virus, script blocking and any anti-malware real-time protection before performing a scan. They can interfere with ComboFix or remove some of its embedded files which may cause "unpredictable results".
    • Click on this link to see a list of programs that should be disabled. The list is not all inclusive. If yours is not listed and you don't know how to disable it, please ask.

      -----------------------------------------------------------

    • Close any open browsers.
    • WARNING: Combofix will disconnect your machine from the Internet as soon as it starts
    • Please do not attempt to re-connect your machine back to the Internet until Combofix has completely finished.
    • If there is no internet connection after running Combofix, then restart your computer to restore back your connection.

    -----------------------------------------------------------

  • Double click on combofix.exe & follow the prompts.
  • When finished, it will produce a report for you.
  • Please post the "C:\ComboFix.txt" along with a new HijackThis log for further review.
**Note: Do not mouseclick combofix's window while it's running. That may cause it to stall**
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#4
Rorschach112

Rorschach112

    Ralphie

  • Retired Staff
  • 47,710 posts
Due to lack of feedback, this topic has been closed.

If you need this topic reopened, please contact a staff member. This applies only to the original topic starter. Everyone else please begin a New Topic.
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