Hi there!

im having lots of trouble with a virus that is detected by my avast AV.
the virus is called msdirectx.sys as the title shows, im sure you are familiar with it.
please help me!
i use spywaredoctor and microsoft antispyware as well as zonelab firewall and avast AV!
what can i do?

this is my hijackthis log:

Logfile of HijackThis v1.99.1
Scan saved at 11:45:42 PM, on 9/8/2005
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
D:\WINDOWS\System32\smss.exe
D:\WINDOWS\system32\csrss.exe
D:\WINDOWS\system32\winlogon.exe
D:\WINDOWS\system32\services.exe
D:\WINDOWS\system32\lsass.exe
D:\WINDOWS\system32\svchost.exe
D:\WINDOWS\System32\svchost.exe
D:\WINDOWS\System32\svchost.exe
D:\WINDOWS\System32\svchost.exe
D:\WINDOWS\system32\spoolsv.exe
D:\WINDOWS\soundman.exe
D:\PROGRA~1\ZONELA~1\ZONEAL~1\zlclient.exe
D:\Program Files\Microsoft AntiSpyware\gcasServ.exe
D:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
D:\Program Files\Winamp\winampa.exe
D:\Program Files\MSN Messenger\MsnMsgr.Exe
D:\Program Files\Spyware Doctor\swdoctor.exe
D:\Program Files\WIDCOMM\Bluetooth Software\BTTray.exe
D:\Program Files\Microsoft AntiSpyware\gcasDtServ.exe
D:\PROGRA~1\WIDCOMM\BLUETO~1\BTSTAC~1.EXE
D:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
D:\Program Files\Alwil Software\Avast4\ashServ.exe
D:\Program Files\WIDCOMM\Bluetooth Software\bin\btwdins.exe
D:\WINDOWS\System32\svchost.exe
D:\WINDOWS\System32\wdfmgr.exe
D:\WINDOWS\system32\ZoneLabs\vsmon.exe
D:\Program Files\Internet Explorer\IEXPLORE.EXE
D:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
D:\Program Files\Alwil Software\Avast4\ashWebSv.exe
D:\WINDOWS\System32\wuauclt.exe
D:\WINDOWS\explorer.exe
D:\Documents and Settings\Chung Hong\Desktop\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.ebay.nl/
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page = D:\WINDOWS\about.htm
F2 - REG:system.ini: UserInit=userinit.exe,xpjava.exe
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - D:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: PCTools Site Guard - {5C8B2A36-3DB1-42A4-A3CB-D426709BBFEB} - D:\PROGRA~1\SPYWAR~1\tools\iesdsg.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - d:\program files\google\googletoolbar2.dll
O2 - BHO: PCTools Browser Monitor - {B56A7D7D-6927-48C8-A975-17DF180C71AC} - D:\PROGRA~1\SPYWAR~1\tools\iesdpb.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - d:\program files\google\googletoolbar2.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - D:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [SoundMan] soundman.exe
O4 - HKLM\..\Run: [NeroCheck] D:\WINDOWS\System32\NeroCheck.exe
O4 - HKLM\..\Run: [Zone Labs Client] D:\PROGRA~1\ZONELA~1\ZONEAL~1\zlclient.exe
O4 - HKLM\..\Run: [gcasServ] "D:\Program Files\Microsoft AntiSpyware\gcasServ.exe"
O4 - HKLM\..\Run: [avast!] D:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [WinampAgent] D:\Program Files\Winamp\winampa.exe
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKCU\..\Run: [MsnMsgr] "D:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [Spyware Doctor] "D:\Program Files\Spyware Doctor\swdoctor.exe" /Q
O4 - HKCU\..\Run: [MSMSGS] "D:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [Skype] "D:\Program Files\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - Global Startup: BTTray.lnk = ?
O4 - Global Startup: Microsoft Office.lnk = D:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: &AIM Search - res://D:\Program Files\AIM Toolbar\AIMBar.dll/aimsearch.htm
O8 - Extra context menu item: &AOL Toolbar search - res://D:\Program Files\AOL Toolbar\toolbar.dll/SEARCH.HTML
O8 - Extra context menu item: &Google Search - res://d:\program files\google\GoogleToolbar2.dll/cmsearch.html
O8 - Extra context menu item: &Translate English Word - res://d:\program files\google\GoogleToolbar2.dll/cmwordtrans.html
O8 - Extra context menu item: Backward Links - res://d:\program files\google\GoogleToolbar2.dll/cmbacklinks.html
O8 - Extra context menu item: Cached Snapshot of Page - res://d:\program files\google\GoogleToolbar2.dll/cmcache.html
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: Send To &Bluetooth - D:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie_ctx.htm
O8 - Extra context menu item: Similar Pages - res://d:\program files\google\GoogleToolbar2.dll/cmsimilar.html
O8 - Extra context menu item: Translate Page into English - res://d:\program files\google\GoogleToolbar2.dll/cmtrans.html
O9 - Extra button: Spyware Doctor - {2D663D1A-8670-49D9-A1A5-4C56B4E14E84} - D:\PROGRA~1\SPYWAR~1\tools\iesdpb.dll
O9 - Extra button: (no name) - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
O9 - Extra 'Tools' menuitem: Uninstall BitDefender Online Scanner v8 - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
O9 - Extra button: AIM - {AC9E2541-2814-11d5-BC6D-00B0D0A1DE45} - D:\Program Files\AIM\aim.exe
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - D:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - D:\WINDOWS\web\related.htm
O9 - Extra button: @btrez.dll,-4015 - {CCA281CA-C863-46ef-9331-5C8D4460577F} - D:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie.htm
O9 - Extra 'Tools' menuitem: @btrez.dll,-4017 - {CCA281CA-C863-46ef-9331-5C8D4460577F} - D:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie.htm
O9 - Extra button: WeatherBug - {AF6CABAB-61F9-4f12-A198-B7D41EF1CB52} - D:\Program Files\AWS\WeatherBug\Weather.exe (file missing) (HKCU)
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - http://messenger.zone.msn.com/binary...r.cab31267.cab
O16 - DPF: {14B87622-7E19-4EA8-93B3-97215F77A6BC} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary...t.cab31267.cab
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://by23fd.bay23.hotmail.msn.com/...s/MsnPUpld.cab
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://www.bitdefender.com/scan8/oscan8.cab
O16 - DPF: {6211AC26-A1B4-422A-AC52-1E70B7D24465} (FileSharingCtrl Class) - http://appdirectory.messenger.msn.co...haringctrl.cab
O16 - DPF: {665585FD-2068-4C5E-A6D3-53AC3270ECD4} (FileSharingCtrl Class) - http://appdirectory.messenger.msn.co...haringctrl.cab
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2...ll/xscan53.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary...t.cab31267.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://www.pandasoftware.com/actives...ree/asinst.cab
O16 - DPF: {9AA73F41-EC64-489E-9A73-9CD52E528BC4} (ZoneAxRcMgr Class) - http://messenger.zone.msn.com/binary/ZAxRcMgr.cab
O16 - DPF: {9B03C5F1-F5AB-47EE-937D-A8EDA626F876} (Anonymizer Anti-Spyware Scanner) - http://download.zonelabs.com/bin/pro...tor/WebAAS.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/Ms...Downloader.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (ZoneIntro Class) - http://messenger.zone.msn.com/binary...o.cab32846.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{1B8A0AAE-DB34-45A4-8B80-6E2DE721F242}: NameServer = 194.134.5.5 194.134.5.55
O17 - HKLM\System\CS1\Services\Tcpip\..\{1B8A0AAE-DB34-45A4-8B80-6E2DE721F242}: NameServer = 194.134.5.5 194.134.5.55
O18 - Filter: text/html - (no CLSID) - (no file)
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - D:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - Unknown owner - D:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - D:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - D:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: Bluetooth Service (btwdins) - WIDCOMM, Inc. - D:\Program Files\WIDCOMM\Bluetooth Software\bin\btwdins.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs Inc. - D:\WINDOWS\system32\ZoneLabs\vsmon.exe


thanks for all the help
Chung

The following link will send you to a thread dealing with your infection:
http://www.daniweb.com/forums/thread30551.html