Trojaner-Board - Desktop blockiert mit weissem Bildschirm und Meldung "Internetverbindung ist nicht vorhanden"

hier die fix.log

========== OTL ==========
Registry value HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Toolbar\\Locked deleted successfully.
Registry value HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run\\ deleted successfully.
Registry value HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run\\1SjOutZRnOxGgdc deleted successfully.
Registry value HKEY_USERS\Mahnaz_ON_C\Software\Microsoft\Windows\CurrentVersion\Run\\1SjOutZRnOxGgdc deleted successfully.
Registry value HKEY_USERS\LocalService_ON_C\Software\Microsoft\Windows\CurrentVersion\RunOnce\\mctadmin deleted successfully.
C:\Windows\System32\mctadmin.exe moved successfully.
Registry value HKEY_USERS\Mahnaz_ON_C\Software\Microsoft\Windows\CurrentVersion\RunOnce\\JavaInstallRetry deleted successfully.
C:\Users\Mahnaz\AppData\LocalLow\Sun\Java\JRERunOnce.exe moved successfully.
Registry value HKEY_USERS\NetworkService_ON_C\Software\Microsoft\Windows\CurrentVersion\RunOnce\\mctadmin deleted successfully.
File C:\Windows\System32\mctadmin.exe not found.
Registry value HKEY_USERS\Mahnaz_ON_C\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\\NoDesktop deleted successfully.
Registry value HKEY_USERS\Mahnaz_ON_C\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\System\\DisableTaskMgr deleted successfully.
Registry value HKEY_USERS\Mahnaz_ON_C\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\System\\DisableRegistryTools deleted successfully.
Registry value HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\\Shell:C:\Users\Mahnaz\AppData\Roaming\e5su745fss.exe deleted successfully.
Registry value HKEY_USERS\Mahnaz_ON_C\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\\Shell:C:\Users\Mahnaz\AppData\Roaming\e5su745fss.exe deleted successfully.

OTLPE by OldTimer - Version 3.1.48.0 log created on 02022012_170244