Here is the new log :
Fix result of Farbar Recovery Tool (FRST written by Farbar) (x64) Version: 31-07-2014
Ran by Nathalie at 2014-08-01 17:35:40 Run:8
Running from C:\Users\Nathalie\Desktop
Boot Mode: Normal
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Content of fixlist:
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DeleteKey: HKEY_USERS\S-1-5-21-1878744788-286734763-1557507328-1001\Software\Microsoft\Internet Explorer\InternetRegistry\REGISTRY\USER\S-1-5-21-1878744788-286734763-1557507328-1001\Software\WhiteSmoke_New
DeleteKey: HKEY_USERS\S-1-5-21-1878744788-286734763-1557507328-1001\Software\Trolltech
DeleteKey: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Extension Compatibility\{2EECD738-5844-4A99-B4B6-146BF802613B}
DeleteKey: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Extension Compatibility\{98889811-442D-49DD-99D7-DC866BE87DBC}
DeleteKey: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extension Compatibility\{2EECD738-5844-4A99-B4B6-146BF802613B}
DeleteKey: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extension Compatibility\{98889811-442D-49DD-99D7-DC866BE87DBC}
C:\Users\Nathalie\AppData\Local\Temp\Quarantine.exe
C:\Users\Nathalie\AppData\Local\Temp\SetupUtil.exe
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HKEY_USERS\S-1-5-21-1878744788-286734763-1557507328-1001\Software\Microsoft\Internet Explorer\InternetRegistry\REGISTRY\USER\S-1-5-21-1878744788-286734763-1557507328-1001\Software\WhiteSmoke_New => Key not found.
HKEY_USERS\S-1-5-21-1878744788-286734763-1557507328-1001\Software\Trolltech => Key not found.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Extension Compatibility\{2EECD738-5844-4A99-B4B6-146BF802613B} => Key not found.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Extension Compatibility\{98889811-442D-49DD-99D7-DC866BE87DBC} => Key not found.
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extension Compatibility\{2EECD738-5844-4A99-B4B6-146BF802613B} => Key not found.
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extension Compatibility\{98889811-442D-49DD-99D7-DC866BE87DBC} => Key not found.
C:\Users\Nathalie\AppData\Local\Temp\Quarantine.exe => Moved successfully.
C:\Users\Nathalie\AppData\Local\Temp\SetupUtil.exe => Moved successfully.
==== End of Fixlog ====