Schädling in Firefox / Flash

Fix result of Farbar Recovery Tool (FRST written by Farbar) (x64) Version: 24-01-2015 01
Ran by lenovo at 2015-01-27 00:45:30 Run:1
Running from C:\Users\lenovo\Downloads
Loaded Profiles: lenovo (Available profiles: lenovo & Simone)
Boot Mode: Normal
==============================================

Content of fixlist:
*****************
HKU\S-1-5-19\...\Winlogon: [Shell] C:\Windows\explorer.exe [2871808 2011-10-10] (Microsoft Corporation) <==== ATTENTION 
HKU\S-1-5-20\...\Winlogon: [Shell] C:\Windows\explorer.exe [2871808 2011-10-10] (Microsoft Corporation) <==== ATTENTION
HKU\S-1-5-18\...\Winlogon: [Shell] C:\Windows\explorer.exe [2871808 2011-10-10] (Microsoft Corporation) <==== ATTENTION 
SearchScopes: HKU\.DEFAULT -> DefaultScope {0633EE93-D776-472f-A0FF-E1416B8B2E3A} URL = 
SearchScopes: HKU\S-1-5-19 -> DefaultScope {0633EE93-D776-472f-A0FF-E1416B8B2E3A} URL = 
SearchScopes: HKU\S-1-5-20 -> DefaultScope {0633EE93-D776-472f-A0FF-E1416B8B2E3A} URL = 
EmptyTemp:
Hosts:
*****************

HKU\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\\Shell => value deleted successfully.
HKU\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\\Shell => value deleted successfully.
HKU\S-1-5-18\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\\Shell => value deleted successfully.
HKU\.DEFAULT\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\\DefaultScope => value deleted successfully.
HKU\S-1-5-19\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\\DefaultScope => value deleted successfully.
HKU\S-1-5-20\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\\DefaultScope => value deleted successfully.
C:\Windows\System32\Drivers\etc\hosts => Moved successfully.
Hosts was reset successfully.
EmptyTemp: => Removed 131.1 MB temporary data.


The system needed a reboot. 

==== End of Fixlog 00:45:53 ====