Google, Umleitung auf unerwünschte Seiten

ESETSmartInstaller@High as downloader log:
all ok
# version=7
# OnlineScannerApp.exe=1.0.0.1
# OnlineScanner.ocx=1.0.0.6583
# api_version=3.0.2
# EOSSerial=2e3fa8955d13f54e9114cd89b1ba8e6b
# end=finished
# remove_checked=false
# archives_checked=true
# unwanted_checked=true
# unsafe_checked=false
# antistealth_checked=true
# utc_time=2012-12-04 06:22:44
# local_time=2012-12-04 07:22:44 (+0100, Mitteleuropäische Zeit)
# country="Germany"
# lang=1033
# osver=6.1.7601 NT Service Pack 1
# compatibility_mode=512 16777215 100 0 0 0 0 0
# compatibility_mode=5893 16776573 100 94 187927 106201765 0 0
# compatibility_mode=8192 67108863 100 0 3774 3774 0 0
# compatibility_mode=8449 16775165 50 97 8850 39499907 0 0
# scanned=153260
# found=1
# cleaned=0
# scan_time=73448
C:\Qoobox\Quarantine\C\Users\Kathrin\AppData\Roaming\bcryptf.dll.vir	a variant of Win32/Ponmocup.FG trojan (unable to clean)	00000000000000000000000000000000	I
         

 Results of screen317's Security Check version 0.99.56  
 Windows 7 Service Pack 1 x64 (UAC is enabled)  
 Internet Explorer 9  
``````````````Antivirus/Firewall Check:`````````````` 
Sophos Anti-Virus   
 WMI entry may not exist for antivirus; attempting automatic update. 
`````````Anti-malware/Other Utilities Check:````````` 
 Malwarebytes Anti-Malware Version 1.65.1.1000  
  Adobe Flash Player 11.4.402.287 Flash Player out of Date!  
 Adobe Reader 10.1.3 Adobe Reader out of Date!  
 Mozilla Firefox 16.0.2 Firefox out of Date!  
````````Process Check: objlist.exe by Laurent````````  
 Malwarebytes Anti-Malware mbamservice.exe  
 Malwarebytes Anti-Malware mbamgui.exe  
 Sophos Sophos Anti-Virus SavService.exe  
 Sophos Sophos Anti-Virus SAVAdminService.exe  
 Sophos Sophos Anti-Virus Web Control swc_service.exe 
 Sophos Sophos Anti-Virus Web Intelligence swi_service.exe 
 Malwarebytes' Anti-Malware mbamscheduler.exe   
`````````````````System Health check````````````````` 
 Total Fragmentation on Drive C:  
````````````````````End of Log``````````````````````