dropper.small.4 trojan horse

my avg anti virus is telling me i have the above trojan horse. avg has deleted it 3 times but it is still on my system. what can i do??

thamks for any help

Logfile of HijackThis v1.97.7
Scan saved at 22:43:52, on 01/07/2004
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

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\spoolsv.exe
C:\WINDOWS\System32\Ati2evxx.exe
C:\AVGANT~1\avgserv.exe
C:\WINDOWS\System32\cisvc.exe
C:\WINDOWS\System32\CTSVCCDA.EXE
C:\Program Files\Photodex\ProShowGold\ScsiAccess.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\System32\cidaemon.exe
C:\WINDOWS\System32\atiptaxx.exe
C:\Program Files\Launch Manager\LaunchAp.exe
C:\Program Files\Launch Manager\HotkeyApp.exe
C:\Program Files\Launch Manager\CtrlVol.exe
C:\Program Files\Launch Manager\Wbutton.exe
C:\Program Files\Common Files\Microsoft Shared\Works Shared\WkUFind.exe
C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\Creative\ShareDLL\CtNotify.exe
C:\AVGANT~1\avgcc32.exe
C:\Program Files\Philips ToUcam Camera\VProperty.exe
C:\Program Files\Creative\ShareDLL\MediaDet.exe
C:\Program Files\Adaptec\Easy CD Creator 5\DirectCD\DirectCD.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\WINDOWS\Wast.exe
C:\Program Files\BTV\btv.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\Program Files\Sony Corporation\Image Transfer\SonyTray.exe
C:\Program Files\NETGEAR\MA101 USB Adapter Configuration Utility\WlanMonitor.exe
C:\Program Files\Common Files\Microsoft Shared\Works Shared\wkcalrem.exe
C:\Program Files\Microsoft Office\Office\OSA.EXE
C:\Program Files\WinZip\WZQKPICK.EXE
C:\Program Files\blueyonder IST\bin\mpbtn.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\temp\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.topfivesearch.com/sidesearch.asp
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.topfivesearch.com/search.asp
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://broadband.blueyonder.co.uk/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://rd.yahoo.com/customize/ymsgr/defaults/*http://my.yahoo.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.topfivesearch.com/sidesearch.asp
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.topfivesearch.com/search.asp
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.topfivesearch.com/search.asp
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://www.topfivesearch.com/search.asp
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://rd.yahoo.com/customize/ymsgr/defaults/su/*http://www.yahoo.com
O2 - BHO: (no name) - {02478D28-C3F9-4efb-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Common\ycomp5_0_2_6.dll
O2 - BHO: (no name) - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: (no name) - {63CF97E8-4133-438a-A831-CC9C6D47D673} - c:\Program Files\Reg2\Reg2.dll
O2 - BHO: (no name) - {665ACD90-4541-4836-9FE4-062386BB8F05} - (no file)
O2 - BHO: (no name) - {7371F073-AC0F-4b80-BB2F-96A488CEFB32} - c:\Program Files\Xmod\xm320.dll
O2 - BHO: (no name) - {BDF6CE3D-F5C5-4462-9814-3C8EAC330CA8} - C:\WINDOWS\AdRoar.dll
O2 - BHO: (no name) - {FDD3B846-8D59-4ffb-8758-209B6AD74ACC} - C:\Program Files\Microsoft Money\System\mnyviewer.dll
O3 - Toolbar: &Yahoo! Companion - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Common\ycomp5_0_2_6.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\system32\msdxm.ocx
O3 - Toolbar: Band Class - {BDF6CE3D-F5C5-4462-9814-3C8EAC330CA8} - C:\WINDOWS\AdRoar.dll
O4 - HKLM\..\Run: [ATIModeChange] Ati2mdxx.exe
O4 - HKLM\..\Run: [AtiPTA] atiptaxx.exe
O4 - HKLM\..\Run: [LaunchAp] C:\Program Files\Launch Manager\LaunchAp.exe
O4 - HKLM\..\Run: [HotkeyApp] C:\Program Files\Launch Manager\HotkeyApp.exe
O4 - HKLM\..\Run: [CtrlVol] C:\Program Files\Launch Manager\CtrlVol.exe
O4 - HKLM\..\Run: [Wbutton] "C:\Program Files\Launch Manager\Wbutton.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\Common Files\Microsoft Shared\Works Shared\WkUFind.exe
O4 - HKLM\..\Run: [MoneyStartUp10.0] "C:\Program Files\Microsoft Money\System\Activation.exe"
O4 - HKLM\..\Run: [SynTPLpr] C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [Creative WebCam Tray] C:\Program Files\Creative\WebCam Control\CAMTRAY.EXE
O4 - HKLM\..\Run: [Disc Detector] C:\Program Files\Creative\ShareDLL\CtNotify.exe
O4 - HKLM\..\Run: [AVG_CC] C:\AVGANT~1\avgcc32.exe /STARTUP
O4 - HKLM\..\Run: [ToUcamVProperty] C:\Program Files\Philips ToUcam Camera\VProperty.exe
O4 - HKLM\..\Run: [AdaptecDirectCD] C:\Program Files\Adaptec\Easy CD Creator 5\DirectCD\DirectCD.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [Wast] C:\WINDOWS\Wast
O4 - HKLM\..\Run: [AdRoarUpdate] C:\WINDOWS\ARUpdate.exe
O4 - HKLM\..\Run: [Breg] "C:\Program Files\Common Files\Java\breg.exe"
O4 - HKLM\..\Run: [Jreg] "C:\Program Files\Common Files\Java\Jreg2b.exe"
O4 - HKLM\..\Run: [BTV] "C:\Program Files\BTV\btv.exe"
O4 - HKCU\..\Run: [Yahoo! Pager] C:\Program Files\Yahoo!\Messenger\ypager.exe -quiet
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [MoneyAgent] "C:\Program Files\Microsoft Money\System\Money Express.exe"
O4 - Global Startup: blueyonder Instant Support Tool.lnk = C:\Program Files\blueyonder IST\bin\matcli.exe
O4 - Global Startup: Image Transfer.lnk = ?
O4 - Global Startup: MA101 Configuration Utility .lnk = C:\Program Files\NETGEAR\MA101 USB Adapter Configuration Utility\WlanMonitor.exe
O4 - Global Startup: Microsoft Works Calendar Reminders.lnk = ?
O4 - Global Startup: Office Startup.lnk = C:\Program Files\Microsoft Office\Office\OSA.EXE
O4 - Global Startup: WinZip Quick Pick.lnk = C:\Program Files\WinZip\WZQKPICK.EXE
O8 - Extra context menu item: Web Rebates - file://C:\Program Files\websearch\System\Temp\topr1150_script0.htm
O9 - Extra button: Related (HKLM)
O9 - Extra 'Tools' menuitem: Show &Related Links (HKLM)
O9 - Extra button: Real.com (HKLM)
O9 - Extra button: Money Viewer (HKLM)
O9 - Extra button: Messenger (HKLM)
O9 - Extra 'Tools' menuitem: Messenger (HKLM)
O12 - Plugin for .mp3: C:\Program Files\Internet Explorer\PLUGINS\npqtplugin4.dll
O12 - Plugin for .mpeg: C:\Program Files\Internet Explorer\PLUGINS\npqtplugin3.dll
O12 - Plugin for .mpga: C:\Program Files\Internet Explorer\PLUGINS\npqtplugin4.dll
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O16 - DPF: Yahoo! Chat - http://us.chat1.yimg.com/us.yimg.com/i/chat/applet/c381/chat.cab
O16 - DPF: {166B1BCA-3F9C-11CF-8075-444553540000} (Shockwave ActiveX Control) - http://download.macromedia.com/pub/shockwave/cabs/director/swdir.cab
O16 - DPF: {30528230-99F7-4BB4-88D8-FA1D4F56A2AB} (YInstStarter Class) - http://download.yahoo.com/dl/installs/yinst.cab
O16 - DPF: {9F1C11AA-197B-4942-BA54-47A8489BB47F} (Update Class) - http://v4.windowsupdate.microsoft.com/CAB/x86/unicode/iuctl.CAB?37627.4769444444
O16 - DPF: {A17E30C4-A9BA-11D4-8673-60DB54C10000} (YahooYMailTo Class) - http://us.dl1.yimg.com/download.yahoo.com/dl/installs/essentials/ymmapi_0727.dll
O16 - DPF: {AE9DCB17-F804-11D2-A44A-0020182C1446} (IntraLaunch.MainControl) - file://D:\system\intralaunch.CAB
O16 - DPF: {CF164902-C4C0-426a-87B3-FB140274E15F} (Dixons PSA) - http://www.gtwebcheck.com/pcworld/27/install/gtdowndi.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553555000} - http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab

 

sorry i used spybot search and destroy