ja das ist nur ein geringes problem.

bitte erstelle und poste ein combofix log.
Ein Leitfaden und Tutorium zur Nutzung von ComboFix

Hallo,

anbei das Combofix.log:

Combofix Logfile:

ComboFix 11-03-01.03 - H 02.03.2011  13:50:34.1.2 - x86
Microsoft Windows 7 Professional   6.1.7600.0.1252.49.1031.18.3539.2677 [GMT 1:00]
ausgeführt von:: c:\users\H\Desktop\ComboFix.exe
AV: AntiVir Desktop *Disabled/Outdated* {090F9C29-64CE-6C6F-379C-5901B49A85B7}
SP: AntiVir Desktop *Disabled/Outdated* {B26E7DCD-42F4-63E1-0D2C-6273CF1DCF0A}
SP: Windows Defender *Enabled/Updated* {D68DDC3A-831F-4fae-9E44-DA132C1ACF46}
.

(((((((((((((((((((((((   Dateien erstellt von 2011-02-02 bis 2011-03-02  ))))))))))))))))))))))))))))))
.

2011-03-02 12:55 . 2011-03-02 12:55	--------	d-----w-	c:\users\Default\AppData\Local\temp
2011-03-01 19:42 . 2011-03-01 19:42	--------	d-----w-	c:\program files\ERUNT
2011-03-01 19:36 . 2011-03-01 19:36	--------	d-----w-	c:\users\H\AppData\Roaming\Malwarebytes
2011-03-01 19:36 . 2010-12-20 17:09	38224	----a-w-	c:\windows\system32\drivers\mbamswissarmy.sys
2011-03-01 19:36 . 2011-03-01 19:36	--------	d-----w-	c:\programdata\Malwarebytes
2011-03-01 19:36 . 2011-03-01 19:36	--------	d-----w-	c:\program files\Malwarebytes' Anti-Malware
2011-03-01 19:36 . 2010-12-20 17:08	20952	----a-w-	c:\windows\system32\drivers\mbam.sys
2011-03-01 10:45 . 2011-02-11 06:54	5943120	----a-w-	c:\programdata\Microsoft\Windows Defender\Definition Updates\{71589CE8-191A-497B-9DC0-AB348C2DE548}\mpengine.dll
2011-02-23 16:44 . 2010-09-14 06:07	276992	----a-w-	c:\windows\system32\wcncsvc.dll
2011-02-23 16:40 . 2011-02-23 16:40	--------	d-----w-	c:\windows\CheckSur
2011-02-23 09:45 . 2011-01-07 07:31	442880	----a-w-	c:\windows\system32\XpsPrint.dll
2011-02-23 09:45 . 2011-01-07 07:31	288256	----a-w-	c:\windows\system32\XpsGdiConverter.dll
2011-02-09 13:21 . 2011-01-05 03:37	2329088	----a-w-	c:\windows\system32\win32k.sys
2011-02-09 13:21 . 2010-12-18 05:29	541184	----a-w-	c:\windows\system32\kerberos.dll
2011-02-09 13:21 . 2011-01-05 05:37	428032	----a-w-	c:\windows\system32\vbscript.dll
2011-02-08 11:02 . 1998-01-23 11:22	304128	----a-w-	c:\windows\IsUninst.exe

.
((((((((((((((((((((((((((((((((((((   Find3M Bericht   ))))))))))))))))))))))))))))))))))))))))))))))))))))))
.
2011-02-02 16:11 . 2010-09-15 16:13	222080	------w-	c:\windows\system32\MpSigStub.exe
2010-12-20 22:34 . 2010-09-15 16:06	135096	----a-w-	c:\windows\system32\drivers\avipbb.sys
.

((((((((((((((((((((((((((((   Autostartpunkte der Registrierung   ))))))))))))))))))))))))))))))))))))))))
.
.
*Hinweis* leere Einträge & legitime Standardeinträge werden nicht angezeigt. 
REGEDIT4

[HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\shelliconoverlayidentifiers\DropboxExt1]
@="{FB314ED9-A251-47B7-93E1-CDD82E34AF8B}"
[HKEY_CLASSES_ROOT\CLSID\{FB314ED9-A251-47B7-93E1-CDD82E34AF8B}]
2009-12-09 01:19	94208	----a-w-	c:\users\H\AppData\Roaming\Dropbox\bin\DropboxExt.13.dll

[HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\shelliconoverlayidentifiers\DropboxExt2]
@="{FB314EDA-A251-47B7-93E1-CDD82E34AF8B}"
[HKEY_CLASSES_ROOT\CLSID\{FB314EDA-A251-47B7-93E1-CDD82E34AF8B}]
2009-12-09 01:19	94208	----a-w-	c:\users\H\AppData\Roaming\Dropbox\bin\DropboxExt.13.dll

[HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\shelliconoverlayidentifiers\DropboxExt3]
@="{FB314EDB-A251-47B7-93E1-CDD82E34AF8B}"
[HKEY_CLASSES_ROOT\CLSID\{FB314EDB-A251-47B7-93E1-CDD82E34AF8B}]
2009-12-09 01:19	94208	----a-w-	c:\users\H\AppData\Roaming\Dropbox\bin\DropboxExt.13.dll

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"avgnt"="c:\program files\Avira\AntiVir Desktop\avgnt.exe" [2010-11-05 281768]
"AdobeCS5ServiceManager"="c:\program files\Common Files\Adobe\CS5ServiceManager\CS5ServiceManager.exe" [2010-02-22 406992]
"SwitchBoard"="c:\program files\Common Files\Adobe\SwitchBoard\SwitchBoard.exe" [2010-02-19 517096]
"Adobe Acrobat Speed Launcher"="c:\program files\Adobe\Acrobat 9.0\Acrobat\Acrobat_sl.exe" [2008-06-12 37232]
"iTunesHelper"="c:\program files\iTunes\iTunesHelper.exe" [2010-09-24 421160]
"IntelliPoint"="c:\program files\Microsoft IntelliPoint\ipoint.exe" [2010-07-21 1797008]
"IgfxTray"="c:\windows\system32\igfxtray.exe" [2010-08-25 136216]
"HotKeysCmds"="c:\windows\system32\hkcmd.exe" [2010-08-25 171032]
"Persistence"="c:\windows\system32\igfxpers.exe" [2010-08-25 170520]

c:\users\H\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\
Dropbox.lnk - c:\users\H\AppData\Roaming\Dropbox\bin\Dropbox.exe [2010-2-26 21979992]

[HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\policies\system]
"ConsentPromptBehaviorAdmin"= 5 (0x5)
"ConsentPromptBehaviorUser"= 3 (0x3)
"EnableUIADesktopToggle"= 0 (0x0)

[HKEY_LOCAL_MACHINE\software\microsoft\windows nt\currentversion\drivers32]
"aux1"=wdmaud.drv

[HKEY_LOCAL_MACHINE\software\microsoft\shared tools\msconfig\startupreg\Acrobat Assistant 8.0]
2008-06-11 20:43	640376	----a-w-	c:\program files\Adobe\Acrobat 9.0\Acrobat\acrotray.exe

[HKEY_LOCAL_MACHINE\software\microsoft\shared tools\msconfig\startupreg\AdobeAAMUpdater-1.0]
2010-03-06 01:44	500208	------w-	c:\program files\Common Files\Adobe\OOBE\PDApp\UWA\updaterstartuputility.exe

[HKEY_LOCAL_MACHINE\software\microsoft\shared tools\msconfig\startupreg\DivXUpdate]
2010-09-01 06:39	1164584	----a-w-	c:\program files\DivX\DivX Update\DivXUpdate.exe

[HKEY_LOCAL_MACHINE\software\microsoft\shared tools\msconfig\startupreg\QuickTime Task]
2010-09-08 09:17	421888	----a-w-	c:\program files\QuickTime\QTTask.exe

R2 clr_optimization_v4.0.30319_32;Microsoft .NET Framework NGEN v4.0.30319_X86;c:\windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe [2010-03-18 130384]
R3 osppsvc;Office Software Protection Platform;c:\program files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE [2010-01-09 4640000]
R3 SwitchBoard;SwitchBoard;c:\program files\Common Files\Adobe\SwitchBoard\SwitchBoard.exe [2010-02-19 517096]
S2 AntiVirSchedulerService;Avira AntiVir Planer;c:\program files\Avira\AntiVir Desktop\sched.exe [2010-11-05 135336]
S2 cvhsvc;Client Virtualization Handler;c:\program files\Common Files\Microsoft Shared\Virtualization Handler\CVHSVC.EXE [2010-02-28 821664]
S2 sftlist;Application Virtualization Client;c:\program files\Microsoft Application Virtualization Client\sftlist.exe [2010-04-23 483688]
S3 netw5v32;Intel(R) Wireless WiFi Link 5000-Serie - Adaptertreiber für Windows Vista 32 Bit;c:\windows\system32\DRIVERS\netw5v32.sys [2009-07-13 4231168]
S3 Sftfs;Sftfs;c:\windows\system32\DRIVERS\Sftfslh.sys [2010-04-23 550760]
S3 Sftplay;Sftplay;c:\windows\system32\DRIVERS\Sftplaylh.sys [2010-04-23 195944]
S3 Sftredir;Sftredir;c:\windows\system32\DRIVERS\Sftredirlh.sys [2010-04-23 21864]
S3 Sftvol;Sftvol;c:\windows\system32\DRIVERS\Sftvollh.sys [2010-04-23 19304]
S3 sftvsa;Application Virtualization Service Agent;c:\program files\Microsoft Application Virtualization Client\sftvsa.exe [2010-04-23 209768]

.
.
------- Zusätzlicher Suchlauf -------
.
IE: An OneNote s&enden - c:\progra~1\MICROS~2\Office14\ONBttnIE.dll/105
IE: An vorhandene PDF-Datei anfügen - c:\program files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIEAppend.html
IE: In Adobe PDF konvertieren - c:\program files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIECapture.html
IE: Linkziel an vorhandene PDF-Datei anhängen - c:\program files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIEAppendSelLinks.html
IE: Linkziel in Adobe PDF konvertieren - c:\program files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIECaptureSelLinks.html
IE: Nach Microsoft E&xcel exportieren - c:\progra~1\MICROS~2\Office14\EXCEL.EXE/3000
TCP: {99FC0C7F-F92A-4A44-A1E0-78B5422571FA} = 213.191.92.86 62.109.123.7
Filter: text/xml - {807573E5-5146-11D5-A672-00B0D022E945} - c:\program files\Common Files\microsoft shared\OFFICE14\MSOXMLMF.DLL
FF - ProfilePath - c:\users\H\AppData\Roaming\Mozilla\Firefox\Profiles\nn49tqnn.default\
FF - prefs.js: browser.startup.homepage - www.google.de
FF - Ext: Default: {972ce4c6-7e08-4474-a285-3208198ce6fd} - c:\program files\Mozilla Firefox\extensions\{972ce4c6-7e08-4474-a285-3208198ce6fd}
FF - Ext: Skype extension: {AB2CE124-6272-4b12-94A9-7303C7397BD1} - c:\program files\Mozilla Firefox\extensions\{AB2CE124-6272-4b12-94A9-7303C7397BD1}
FF - Ext: FireTorrent: firetorrent@radicalsoft.com - %profile%\extensions\firetorrent@radicalsoft.com
FF - Ext: Adblock Plus: {d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d} - %profile%\extensions\{d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}
.
- - - - Entfernte verwaiste Registrierungseinträge - - - -

HKCU-Run-UYPZGBVWZK - c:\users\H\AppData\Roaming\msinfo32X.dll


.
--------------------- Gesperrte Registrierungsschluessel ---------------------

[HKEY_LOCAL_MACHINE\system\ControlSet001\Control\PCW\Security]
@Denied: (Full) (Everyone)
.
--------------------- Durch laufende Prozesse gestartete DLLs ---------------------

- - - - - - - > 'Explorer.exe'(3528)
c:\users\H\AppData\Roaming\Dropbox\bin\DropboxExt.13.dll
.
Zeit der Fertigstellung: 2011-03-02  13:57:29
ComboFix-quarantined-files.txt  2011-03-02 12:57

Vor Suchlauf: 9 Verzeichnis(se), 20.562.862.080 Bytes frei
Nach Suchlauf: 15 Verzeichnis(se), 20.456.554.496 Bytes frei

- - End Of File - - 8E4C0BF4B459252A6C7E5E281C849C52
         

--- --- ---