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09/29/2008 at 06:11PM PDT, ID: 23773439
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8.8

Unable to Remove Rootkit in MBR

Asked by Chiarne in HijackThis Software, Anti-Virus, Anti-Virus Applications

Hi,

I've been trying to remove a stubborn infection in the MBR on a pc.  The OS is Windows XP Home, SP2.  I've tried running Gmer and mbr.exe with no success. The mbr log as follows:

Stealth MBR rootkit detector 0.2.4 by Gmer, http://www.gmer.net

device: opened successfully
user: MBR read successfully
kernel: MBR read successfully
user & kernel MBR OK
malicious code @ sector 0x4c50135 size 0x1fd !
copy of MBR has been found in sector 62 !

I've tried the following in both normal mode and safe modes, where possible:

- run Eset Smart Security and Malwarebytes scans and nothing detected
- fixmbr in recovery console
- Combofix
- SDFix
- NOD32 DOS scan

ComboFix log:

ComboFix 08-09-28.03 - Lynette 2008-09-30 10:42:33.2 - NTFSx86
Microsoft Windows XP Home Edition  5.1.2600.2.1252.1.1033.18.75 [GMT 10:00]
Running from: C:\Documents and Settings\Lynette\Desktop\ComboFix\ComboFix.exe
 * Created a new restore point

[color=red][b]WARNING -THIS MACHINE DOES NOT HAVE THE RECOVERY CONSOLE INSTALLED !![/b][/color]
.

(((((((((((((((((((((((((((((((((((((((   Other Deletions   )))))))))))))))))))))))))))))))))))))))))))))))))
.

C:\WINDOWS\dcstds3.dll

.
(((((((((((((((((((((((((   Files Created from 2008-08-28 to 2008-09-30  )))))))))))))))))))))))))))))))
.

2008-09-30 09:20 . 2008-09-30 09:20      <DIR>      d--------      C:\Program Files\ESET
2008-09-30 09:04 . 2008-09-30 08:35      66,048      --a------      C:\mbr.exe
2008-09-30 08:35 . 2008-09-30 10:17      250      --a------      C:\WINDOWS\gmer.ini
2008-09-29 21:47 . 2008-09-30 09:08      <DIR>      d--------      C:\Program Files\TDS3
2008-09-29 20:39 . 2008-09-30 10:42      <DIR>      d--------      C:\WINDOWS\system32\NtmsData
2008-09-29 20:20 . 2008-09-29 20:22      5,251,072      --a------      C:\WINDOWS\sectest.db
2008-09-29 19:49 . 2008-09-29 19:49      <DIR>      d--------      C:\Documents and Settings\Administrator\Application Data\SUPERAntiSpyware.com
2008-09-29 19:49 . 2008-09-29 19:49      <DIR>      d--------      C:\Documents and Settings\Administrator
2008-09-29 19:21 . 2008-09-30 09:27      <DIR>      d--------      C:\Program Files\SUPERAntiSpyware
2008-09-29 19:21 . 2008-09-29 19:21      <DIR>      d--------      C:\Documents and Settings\All Users\Application Data\SUPERAntiSpyware.com
2008-09-29 18:09 . 2008-09-29 18:09      <DIR>      d--------      C:\Program Files\PrevxCSI
2008-09-29 18:09 . 2008-09-30 09:22      <DIR>      d--------      C:\Documents and Settings\All Users\Application Data\PrevxCSI
2008-09-29 18:09 . 2008-09-29 18:09      17,408      --a------      C:\WINDOWS\system32\drivers\pxark.sys
2008-09-29 17:02 . 2008-09-29 17:02      <DIR>      d--------      C:\Documents and Settings\All Users\Application Data\TEMP
2008-09-29 15:57 . 2006-05-25 15:52      162,304      --a------      C:\WINDOWS\system32\ztvunrar36.dll
2008-09-29 15:57 . 2003-02-02 20:06      153,088      --a------      C:\WINDOWS\system32\UNRAR3.dll
2008-09-29 15:57 . 2005-08-26 01:50      77,312      --a------      C:\WINDOWS\system32\ztvunace26.dll
2008-09-29 15:57 . 2002-03-06 01:00      75,264      --a------      C:\WINDOWS\system32\unacev2.dll
2008-09-29 15:57 . 2006-06-19 13:01      69,632      --a------      C:\WINDOWS\system32\ztvcabinet.dll
2008-09-29 15:56 . 2008-09-30 09:14      <DIR>      d--------      C:\Program Files\Trojan Remover
2008-09-29 15:26 . 2008-09-29 15:26      <DIR>      d--------      C:\Documents and Settings\Lynette\Application Data\ESET
2008-09-29 15:01 . 2008-09-29 15:01      <DIR>      d--------      C:\WINDOWS\ERUNT
2008-09-29 14:59 . 2008-09-29 14:59      2,740      --a------      C:\WINDOWS\system32\tmp.reg
2008-09-29 14:58 . 2007-09-06 00:22      289,144      --a------      C:\WINDOWS\system32\VCCLSID.exe
2008-09-29 14:58 . 2006-04-27 17:49      288,417      --a------      C:\WINDOWS\system32\SrchSTS.exe
2008-09-29 14:58 . 2008-09-08 23:38      88,576      --a------      C:\WINDOWS\system32\AntiXPVSTFix.exe
2008-09-29 14:58 . 2008-09-02 16:51      86,528      --a------      C:\WINDOWS\system32\VACFix.exe
2008-09-29 14:58 . 2008-05-18 21:40      82,944      --a------      C:\WINDOWS\system32\IEDFix.exe
2008-09-29 14:58 . 2008-08-28 22:36      82,432      --a------      C:\WINDOWS\system32\IEDFix.C.exe
2008-09-29 14:58 . 2008-08-18 12:19      82,432      --a------      C:\WINDOWS\system32\404Fix.exe
2008-09-29 14:58 . 2003-06-05 21:13      53,248      --a------      C:\WINDOWS\system32\Process.exe
2008-09-29 14:58 . 2004-07-31 18:50      51,200      --a------      C:\WINDOWS\system32\dumphive.exe
2008-09-29 14:58 . 2007-10-04 00:36      25,600      --a------      C:\WINDOWS\system32\WS2Fix.exe.vir
2008-09-29 14:17 . 2008-09-29 14:17      <DIR>      d--------      C:\Documents and Settings\All Users\Application Data\ESET
2008-09-29 11:38 . 2008-09-29 11:38      <DIR>      d--------      C:\Documents and Settings\Lynette\Application Data\Malwarebytes
2008-09-29 11:37 . 2008-09-29 11:38      <DIR>      d--------      C:\Program Files\Malwarebytes' Anti-Malware
2008-09-29 11:37 . 2008-09-29 11:37      <DIR>      d--------      C:\Documents and Settings\All Users\Application Data\Malwarebytes
2008-09-29 11:37 . 2008-09-10 00:04      38,528      --a------      C:\WINDOWS\system32\drivers\mbamswissarmy.sys
2008-09-29 11:37 . 2008-09-10 00:03      17,200      --a------      C:\WINDOWS\system32\drivers\mbam.sys

.
((((((((((((((((((((((((((((((((((((((((   Find3M Report   ))))))))))))))))))))))))))))))))))))))))))))))))))))
.
2008-09-29 02:15      ---------      d-----w      C:\Documents and Settings\All Users\Application Data\Spybot - Search & Destroy
2008-09-17 03:08      ---------      d-----w      C:\Documents and Settings\Lynette\Application Data\MSN6
2008-09-02 02:34      ---------      d-----w      C:\Documents and Settings\Lynette\Application Data\U3
2008-08-22 23:26      ---------      d-----w      C:\Documents and Settings\Lynette\Application Data\AdobeUM
2008-07-18 12:10      94,920      ----a-w      C:\WINDOWS\system32\cdm.dll
2008-07-18 12:10      53,448      ----a-w      C:\WINDOWS\system32\wuauclt.exe
2008-07-18 12:10      45,768      ----a-w      C:\WINDOWS\system32\wups2.dll
2008-07-18 12:10      36,552      ----a-w      C:\WINDOWS\system32\wups.dll
2008-07-18 12:09      563,912      ----a-w      C:\WINDOWS\system32\wuapi.dll
2008-07-18 12:09      325,832      ----a-w      C:\WINDOWS\system32\wucltui.dll
2008-07-18 12:09      205,000      ----a-w      C:\WINDOWS\system32\wuweb.dll
2008-07-18 12:09      1,811,656      ----a-w      C:\WINDOWS\system32\wuaueng.dll
2008-07-18 12:07      270,880      ----a-w      C:\WINDOWS\system32\mucltui.dll
2008-07-18 12:07      210,976      ----a-w      C:\WINDOWS\system32\muweb.dll
2008-07-07 20:32      253,952      ----a-w      C:\WINDOWS\system32\es.dll
2008-06-24 16:23      74,240      ----a-w      C:\WINDOWS\system32\mscms.dll
2008-06-23 16:57      826,368      ----a-w      C:\WINDOWS\system32\wininet.dll
2008-06-20 17:41      245,248      ----a-w      C:\WINDOWS\system32\mswsock.dll
2006-12-11 01:56      21,408      ----a-w      C:\Documents and Settings\Lynette\Application Data\GDIPFONTCACHEV1.DAT
.

(((((((((((((((((((((((((((((   snapshot@2008-09-29_19.00.54.07   )))))))))))))))))))))))))))))))))))))))))
.
+ 2008-09-29 23:44:43      884,736      ----a-w      C:\WINDOWS\gmer.dll
+ 2008-09-29 23:44:37      811,008      ----a-w      C:\WINDOWS\gmer.exe
+ 2007-03-06 01:22:39      213,216      -c----w      C:\WINDOWS\ie7updates\KB938127-v2-IE7\spuninst\spuninst.exe
+ 2007-03-06 01:23:47      371,424      -c----w      C:\WINDOWS\ie7updates\KB938127-v2-IE7\spuninst\updspapi.dll
+ 2007-07-12 23:31:54      765,952      -c----w      C:\WINDOWS\ie7updates\KB938127-v2-IE7\vgx.dll
+ 2008-09-29 11:29:41      10,134      ----a-r      C:\WINDOWS\Installer\{FBF09842-EB7F-4BC2-BD32-DDE2572B2195}\callmsi.exe
+ 2008-09-29 11:29:41      140,544      ----a-r      C:\WINDOWS\Installer\{FBF09842-EB7F-4BC2-BD32-DDE2572B2195}\egui.exe
- 2007-08-13 08:54:10      765,952      -c--a-w      C:\WINDOWS\system32\dllcache\VGX.dll
+ 2008-05-27 17:23:58      765,952      -c--a-w      C:\WINDOWS\system32\dllcache\vgx.dll
+ 2008-06-30 22:56:22      39,944      ----a-w      C:\WINDOWS\system32\drivers\eamon.sys
+ 2008-06-30 23:04:34      71,688      ----a-w      C:\WINDOWS\system32\drivers\epfw.sys
+ 2008-06-30 23:04:38      54,280      ----a-w      C:\WINDOWS\system32\drivers\epfwtdi.sys
+ 2008-09-29 23:44:43      85,969      ----a-w      C:\WINDOWS\system32\drivers\gmer.sys
- 2008-09-29 03:49:22      125,320      ----a-w      C:\WINDOWS\system32\FNTCACHE.DAT
+ 2008-09-29 10:38:54      125,320      ----a-w      C:\WINDOWS\system32\FNTCACHE.DAT
+ 2003-06-11 08:05:07      32,768      ----a-w      C:\WINDOWS\system32\tds3shl.dll
+ 1999-01-12 05:19:12      195,584      ----a-w      C:\WINDOWS\system32\xvoice.dll
.
(((((((((((((((((((((((((((((((((((((   Reg Loading Points   ))))))))))))))))))))))))))))))))))))))))))))))))))
.
.
*Note* empty entries & legit default entries are not shown
REGEDIT4

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"ctfmon.exe"="C:\WINDOWS\system32\ctfmon.exe" [2004-08-04 15360]
"PcSync"="C:\Program Files\Nokia\Nokia PC Suite 6\PcSync2.exe" [2006-06-27 1449984]

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"iTunesHelper"="C:\Program Files\iTunes\iTunesHelper.exe" [2006-02-23 278528]
"QuickTime Task"="C:\Program Files\QuickTime\qttask.exe" [2006-05-03 155648]
"NvCplDaemon"="C:\WINDOWS\system32\NvCpl.dll" [2004-10-29 4620288]
"NvMediaCenter"="C:\WINDOWS\system32\NvMcTray.dll" [2004-10-29 86016]
"SunJavaUpdateSched"="C:\Program Files\Java\jre1.5.0_09\bin\jusched.exe" [2006-10-12 49263]
"PCSuiteTrayApplication"="C:\Program Files\Nokia\Nokia PC Suite 6\LaunchApplication.exe" [2006-06-15 229376]
"SSBkgdUpdate"="C:\Program Files\Common Files\Scansoft Shared\SSBkgdUpdate\SSBkgdupdate.exe" [2006-09-28 185896]
"OpwareSE4"="C:\Program Files\ScanSoft\OmniPageSE4.0\OpwareSE4.exe" [2006-10-11 75304]
"egui"="C:\Program Files\ESET\ESET Smart Security\egui.exe" [2008-07-01 1447168]
"SoundMan"="SOUNDMAN.EXE" [2004-07-01 C:\WINDOWS\SOUNDMAN.EXE]
"nwiz"="nwiz.exe" [2004-10-29 C:\WINDOWS\system32\nwiz.exe]

[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Run]
"Picasa Media Detector"="C:\Program Files\Picasa2\PicasaMediaDetector.exe" [2007-09-28 443968]

C:\Documents and Settings\All Users\Start Menu\Programs\Startup\
Adobe Reader Speed Launch.lnk - C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe [2005-09-24 29696]
Kodak EasyShare software.lnk - C:\Program Files\Kodak\Kodak EasyShare software\bin\EasyShare.exe [2006-06-07 180224]
KODAK Software Updater.lnk - C:\Program Files\Kodak\KODAK Software Updater\7288971\Program\Kodak Software Updater.exe [2004-02-13 16423]
Microsoft Office.lnk - C:\Program Files\Microsoft Office\Office10\OSA.EXE [2001-02-13 83360]

[HKLM\~\services\sharedaccess\parameters\firewallpolicy\standardprofile]
"EnableFirewall"= 0 (0x0)

[HKLM\~\services\sharedaccess\parameters\firewallpolicy\standardprofile\AuthorizedApplications\List]
"%windir%\\system32\\sessmgr.exe"=
"C:\\Program Files\\Messenger\\msmsgs.exe"=
"C:\\StubInstaller.exe"=
"C:\\Program Files\\LimeWire\\LimeWire.exe"=
"C:\\Program Files\\Kodak\\KODAK Software Updater\\7288971\\Program\\Kodak Software Updater.exe"=
"C:\\Program Files\\Kodak\\Kodak EasyShare software\\bin\\EasyShare.exe"=
"C:\\Program Files\\iTunes\\iTunes.exe"=
"%windir%\\Network Diagnostic\\xpnetdiag.exe"=
"C:\\Program Files\\Bonjour\\mDNSResponder.exe"=
"C:\\Program Files\\Windows Live\\Messenger\\msnmsgr.exe"=
"C:\\Program Files\\Windows Live\\Messenger\\livecall.exe"=

R0 pxark;pxark;C:\WINDOWS\system32\drivers\pxark.sys [2008-09-29 17408]
R2 CSIScanner;CSIScanner;C:\Program Files\PrevxCSI\prevxcsi.exe [2008-09-29 618040]
S3 KLSIENET;Driver for USB Ethernet Adapter;C:\WINDOWS\system32\DRIVERS\usb101et.sys [2004-08-03 32384]
S3 STAC97NA;SigmaTel 3D Environmental Audio;C:\WINDOWS\system32\drivers\stac97na.sys [2002-09-20 296179]
S3 STAC97NH;STAC97NH;C:\WINDOWS\system32\drivers\stac97nh.sys [2002-09-20 231983]

[HKEY_CURRENT_USER\software\microsoft\windows\currentversion\explorer\mountpoints2\{09af1e79-0b42-11dc-8bda-000129fd70fc}]
\Shell\AutoRun\command - E:\LaunchU3.exe -a
.
.
------- Supplementary Scan -------
.
R1 -: HKCU-Internet Settings,ProxyOverride = *.local
O18 -: Handler: ms-its51 - {F6F1E82D-DE4D-11D2-875C-0000F8105754} - C:\Program Files\Common Files\Microsoft Shared\Information Retrieval\itss51.dll

O16 -: DirectAnimation Java Classes - file://C:\WINDOWS\Java\classes\dajava.cab
C:\WINDOWS\Downloaded Program Files\DirectAnimation Java Classes.osd

O16 -: Microsoft XML Parser for Java - file://C:\WINDOWS\Java\classes\xmldso.cab
C:\WINDOWS\Downloaded Program Files\Microsoft XML Parser for Java.osd
.

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

catchme 0.3.1361 W2K/XP/Vista - rootkit/stealth malware detector by Gmer, http://www.gmer.net
Rootkit scan 2008-09-30 10:46:57
Windows 5.1.2600 Service Pack 2 NTFS

scanning hidden processes ...

scanning hidden autostart entries ...

scanning hidden files ...

scan completed successfully
hidden files: 0

**************************************************************************
.
Completion time: 2008-09-30 10:55:39
ComboFix-quarantined-files.txt  2008-09-30 00:55:14
ComboFix2.txt  2008-09-29 09:01:48

Pre-Run: 4,947,554,304 bytes free
Post-Run: 5,022,281,728 bytes free

169      --- E O F ---      2008-09-29 17:02:51

-------------------------------------------------------------------------------------------------------------------------
 Is there any way to kill this thing without performing a clean reinstall.

Regards

Chiarne
[+][-]09/29/08 08:01 PM, ID: 22602458

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About this solution

Zones: HijackThis Software, Anti-Virus, Anti-Virus Applications
Sign Up Now!
Solution Provided By: rpggamergirl
Participating Experts: 3
Solution Grade: A
 
 
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