Trojaner-Board - probleme - wer schaut mal drauf?

hi, ich hänge hier vor dem rechner von freunden und suche den übeltäter, der die kiste ausbremst. was sagt mir dieses logfile? bin für jeden tipp sehr dankbar!

gruss, melanie

Logfile of HijackThis v1.99.1
Scan saved at 13:57:29, on 02.03.2005
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\LEXBCES.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\LEXPPS.EXE
C:\Programme\AVPersonal\AVGUARD.EXE
C:\Programme\AVPersonal\AVWUPSRV.EXE
C:\Programme\Gemeinsame Dateien\Microsoft Shared\VS7Debug\mdm.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\Programme\Gemeinsame Dateien\Microsoft Shared\Works Shared\WkUFind.exe
C:\Programme\Lexmark X74-X75\lxbbbmgr.exe
C:\Programme\Hewlett-Packard\HP Share-to-Web\hpgs2wnd.exe
C:\Programme\Hewlett-Packard\Digital Imaging\Unload\hpqcmon.exe
C:\Programme\AVPersonal\AVSched32.EXE
C:\Programme\Lexmark X74-X75\lxbbbmon.exe
C:\Programme\AVPersonal\AVGNT.EXE
C:\Programme\CASIO\Pocket Sheet Sync\PSXLTRAY.EXE
C:\WINDOWS\System32\rant.exe
C:\Programme\Hewlett-Packard\HP Share-to-Web\hpgs2wnf.exe
C:\Programme\Ulead Systems\Ulead PhotoImpact 5 Bundled Edition\Abmtsr.exe
C:\Programme\WinZip\WZQKPICK.EXE
C:\PROGRA~1\WINZIP\winzip32.exe
C:\Dokumente und Einstellungen\Melanie\Eigene Dateien\HijackThis.exe

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.medion.com/
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programme\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [Microsoft Works Portfolio] C:\Programme\Microsoft Works\WksSb.exe /AllUsers
O4 - HKLM\..\Run: [Microsoft Works Update Detection] C:\Programme\Gemeinsame Dateien\Microsoft Shared\Works Shared\WkUFind.exe
O4 - HKLM\..\Run: [Lexmark X74-X75] "C:\Programme\Lexmark X74-X75\lxbbbmgr.exe"
O4 - HKLM\..\Run: [Share-to-Web Namespace Daemon] C:\Programme\Hewlett-Packard\HP Share-to-Web\hpgs2wnd.exe
O4 - HKLM\..\Run: [CamMonitor] C:\Programme\Hewlett-Packard\Digital Imaging\Unload\hpqcmon.exe
O4 - HKLM\..\Run: [AVSCHED32] C:\Programme\AVPersonal\AVSched32.EXE /min
O4 - HKLM\..\Run: [AVGCtrl] C:\Programme\AVPersonal\AVGNT.EXE /min
O4 - HKLM\..\Run: [rant] rant.exe
O4 - HKLM\..\Run: [McAfee Antivirus Protection] mcafeeAV.exe
O4 - HKLM\..\RunServices: [Microsofts MediaScope] winmep.exe
O4 - HKLM\..\RunServices: [rant] rant.exe
O4 - HKLM\..\RunServices: [McAfee Antivirus Protection] mcafeeAV.exe
O4 - HKLM\..\RunServices: [Microsoft MediaScope] winmes.exe
O4 - HKCU\..\Run: [YAW starten] "c:\programme\yaw 3.5\fast.exe"
O4 - HKCU\..\Run: [Pocket Sheet Sync] C:\Programme\CASIO\Pocket Sheet Sync\PSXLTRAY.EXE
O4 - HKCU\..\Run: [rant] rant.exe
O4 - HKCU\..\Run: [McAfee Antivirus Protection] mcafeeAV.exe
O4 - Global Startup: Album Fast Start.lnk = C:\Programme\Ulead Systems\Ulead PhotoImpact 5 Bundled Edition\Abmtsr.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Programme\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: WinZip Quick Pick.lnk = C:\Programme\WinZip\WZQKPICK.EXE
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra button: MedionShop - {A17A3B51-249A-49B7-BBE6-C07847176EE4} - http://www.medionshop.de/ (file missing) (HKCU)
O14 - IERESET.INF: START_PAGE_URL=http://www.medion.com/
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://v5.windowsupdate.microsoft.co...?1098343768265
O23 - Service: AntiVir Service (AntiVirService) - H+BEDV Datentechnik GmbH - C:\Programme\AVPersonal\AVGUARD.EXE
O23 - Service: AntiVir Update (AVWUpSrv) - H+BEDV Datentechnik GmbH, Germany - C:\Programme\AVPersonal\AVWUPSRV.EXE
O23 - Service: LexBce Server (LexBceS) - Lexmark International, Inc. - C:\WINDOWS\system32\LEXBCES.EXE