Du kannst avast auch so vorher deaktivieren. Und nein, nur weil man eine Verbindung zum Internet hat, fliegen die Schädlinge nicht einfach so auf dem Rechner, man kann auch sicher ohne Virenscanner im Internet surfen.

OK, scheint geklappt zu haben! Hier der Log:

========== OTL ==========
Service ACDaemon stopped successfully!
Service ACDaemon deleted successfully!
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Cdrom\\AutoRun|DWORD:1 /E : value set successfully!
C:\autoexec.bat moved successfully.
Registry key HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{0f38fdde-3e41-11df-8126-002354623135}\ deleted successfully.
Registry key HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{0f38fdde-3e41-11df-8126-002354623135}\ not found.
File H:\Menu.exe not found.
Registry key HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{11468d40-159d-11e0-8820-806e6f6e6963}\ deleted successfully.
Registry key HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{11468d40-159d-11e0-8820-806e6f6e6963}\ not found.
Registry key HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{11468d40-159d-11e0-8820-806e6f6e6963}\ not found.
Registry key HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{11468d40-159d-11e0-8820-806e6f6e6963}\ not found.
File F:\autorun.exe not found.
Registry key HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{295c0b7d-539d-11de-9038-002354623135}\ deleted successfully.
Registry key HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{295c0b7d-539d-11de-9038-002354623135}\ not found.
Registry key HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{295c0b7d-539d-11de-9038-002354623135}\ not found.
Registry key HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{295c0b7d-539d-11de-9038-002354623135}\ not found.
File G:\autoplay.exe not found.
Registry key HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{47a1c498-144c-11e0-8f15-002354623135}\ deleted successfully.
Registry key HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{47a1c498-144c-11e0-8f15-002354623135}\ not found.
Registry key HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{47a1c498-144c-11e0-8f15-002354623135}\ not found.
Registry key HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{47a1c498-144c-11e0-8f15-002354623135}\ not found.
File I:\setup.exe not found.
Registry key HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{e331fcbe-1440-11e0-8ce2-002354623135}\ deleted successfully.
Registry key HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{e331fcbe-1440-11e0-8ce2-002354623135}\ not found.
Registry key HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{e331fcbe-1440-11e0-8ce2-002354623135}\ not found.
Registry key HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{e331fcbe-1440-11e0-8ce2-002354623135}\ not found.
File F:\autorunmenu.exe not found.
C:\Users\***\AppData\Local\{17724F29-BEFF-4C9D-923C-C8ADBB6ACF1C} folder moved successfully.
C:\Windows\System32\0.17074596067894565.exe moved successfully.
ADS C:\ProgramData\Temp:A9662AE0 deleted successfully.
ADS C:\ProgramData\Temp:010ADD2C deleted successfully.
========== COMMANDS ==========
C:\Windows\System32\drivers\etc\Hosts moved successfully.
HOSTS file reset successfully
 
OTL by OldTimer - Version 3.2.23.0 log created on 06032011_162033