Virus?? "Key Expired"

Sooo... hab den Scan durchgeführt, wie's dasteht... und hier die Ergebnisse:

Malwarebytes' Anti-Malware 1.39
Datenbank Version: 2474
Windows 5.1.2600 Service Pack 3

21.07.2009 20:47:34
mbam-log-2009-07-21 (20-47-34).txt

Scan-Methode: Vollständiger Scan (C:\|D:\|)
Durchsuchte Objekte: 287410
Laufzeit: 55 minute(s), 4 second(s)

Infizierte Speicherprozesse: 0
Infizierte Speichermodule: 0
Infizierte Registrierungsschlüssel: 19
Infizierte Registrierungswerte: 0
Infizierte Dateiobjekte der Registrierung: 0
Infizierte Verzeichnisse: 1
Infizierte Dateien: 4

Infizierte Speicherprozesse:
(Keine bösartigen Objekte gefunden)

Infizierte Speichermodule:
(Keine bösartigen Objekte gefunden)

Infizierte Registrierungsschlüssel:
HKEY_CLASSES_ROOT\Interface\{cf54be1c-9359-4395-8533-1657cf209cfe} (Adware.MyWebSearch) -> Quarantined and deleted successfully.
HKEY_CLASSES_ROOT\Typelib\{d518921a-4a03-425e-9873-b9a71756821e} (Adware.MyWebSearch) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{07b18ea9-a523-4961-b6bb-170de4475cca} (Adware.MyWebSearch) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{07b18eab-a523-4961-b6bb-170de4475cca} (Adware.MyWebSearch) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{00a6faf1-072e-44cf-8957-5838f569a31d} (Adware.MyWebSearch) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\PreApproved\{25560540-9571-4d7b-9389-0f166788785a} (Adware.MyWebSearch) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\PreApproved\{3dc201fb-e9c9-499c-a11f-23c360d7c3f8} (Adware.MyWebSearch) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\PreApproved\{63d0ed2c-b45b-4458-8b3b-60c69bbbd83c} (Adware.MyWebSearch) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\PreApproved\{98d9753d-d73b-42d5-8c85-4469cda897ab} (Adware.MyWebSearch) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\PreApproved\{9ff05104-b030-46fc-94b8-81276e4e27df} (Adware.MyWebSearch) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{59c7fc09-1c83-4648-b3e6-003d2bbc7481} (Adware.MyWebSearch) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{68af847f-6e91-45dd-9b68-d6a12c30e5d7} (Adware.MyWebSearch) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{9170b96c-28d4-4626-8358-27e6caeef907} (Adware.MyWebSearch) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{d1a71fa0-ff48-48dd-9b6d-7a13a3e42127} (Adware.MyWebSearch) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{ddb1968e-ead6-40fd-8dae-ff14757f60c7} (Adware.MyWebSearch) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{f138d901-86f0-4383-99b6-9cdd406036da} (Adware.MyWebSearch) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\RunDll32Policy\f3ScrCtr.dll (Adware.MyWay) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Multimedia\WMPlayer\Schemes\f3pss (Adware.MyWebSearch) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Purchased Products (Rogue.Multiple) -> Quarantined and deleted successfully.

Infizierte Registrierungswerte:
(Keine bösartigen Objekte gefunden)

Infizierte Dateiobjekte der Registrierung:
(Keine bösartigen Objekte gefunden)

Infizierte Verzeichnisse:
C:\WINDOWS\system32\Bifrost (Backdoor.Bifrose) -> Quarantined and deleted successfully.

Infizierte Dateien:
c:\WINDOWS\system32\f3PSSavr.scr (Adware.MyWebSearch) -> Quarantined and deleted successfully.
c:\programme\internet explorer\msimg32.dll (Adware.MyWebSearch) -> Quarantined and deleted successfully.
c:\programme\windows live\messenger\riched20.dll (Adware.MyWebSearch) -> Quarantined and deleted successfully.
c:\WINDOWS\system32\Bifrost\klog.dat (Backdoor.Bifrose) -> Quarantined and deleted successfully.
 

Ich enttäusche dich, würde dir raten zu formatieren.

och nöööö^^
naja gut, nächste woche sind ferien, da hab ich dann zeit xD
aber danke für eure hilfe!