So it is Chrome. Thank you for your clarification !
Here are the Fixlog.txt and JRT.txt
Fix result of Farbar Recovery Scan Tool (x64) Version: 21-05-2015
Ran by Anna at 2015-05-21 22:46:43 Run:3
Running from C:\Users\Anna\Desktop
Loaded Profiles: Anna (Available profiles: Anna)
Boot Mode: Normal
==============================================
Content of fixlist:
*****************
CreateRestorePoint:
Toolbar: HKU\S-1-5-21-4230858961-1955052935-1607234427-1001 -> No Name - {7FEBEFE3-6B19-4349-98D2-FFB09D4B49CA} - No File
2015-05-21 17:40 - 2015-05-21 17:42 - 00000000 __SHD () C:\Users\Anna\AppData\Local\EmieBrowserModeList
RemoveProxy:
EmptyTemp:
CMD: bitsadmin /reset /allusers
*****************
Restore point was successfully created.
HKU\S-1-5-21-4230858961-1955052935-1607234427-1001\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser\\{7FEBEFE3-6B19-4349-98D2-FFB09D4B49CA} => value Deleted successfully.
HKCR\CLSID\{7FEBEFE3-6B19-4349-98D2-FFB09D4B49CA} => Key not found.
C:\Users\Anna\AppData\Local\EmieBrowserModeList => Moved successfully.
========= RemoveProxy: =========
HKU\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\\DefaultConnectionSettings => value Deleted successfully.
HKU\S-1-5-21-4230858961-1955052935-1607234427-1001\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\\DefaultConnectionSettings => value Deleted successfully.
HKU\S-1-5-21-4230858961-1955052935-1607234427-1001\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\\SavedLegacySettings => value Deleted successfully.
========= End of RemoveProxy: =========
========= bitsadmin /reset /allusers =========
BITSADMIN version 3.0 [ 7.7.9600 ]
BITS administration utility.
© Copyright 2000-2006 Microsoft Corp.
BITSAdmin is deprecated and is not guaranteed to be available in future versions of Windows.
Administrative tools for the BITS service are now provided by BITS PowerShell cmdlets.
{F9474A26-ED30-40B7-B474-B1CB0B6D79C8} canceled.
1 out of 1 jobs canceled.
========= End of CMD: =========
EmptyTemp: => Removed 348.1 MB temporary data.
The system needed a reboot.
==== End of Fixlog 22:47:03 ====
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Junkware Removal Tool (JRT) by Thisisu
Version: 6.7.6 (05.21.2015:1)
OS: Windows 8.1 x64
Ran by Anna on 21/05/2015 at 22:50:29,81
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~ Services
~~~ Tasks
Successfully deleted: [Task] C:\WINDOWS\system32\tasks\Optimize Start Menu Cache Files-S-1-5-21-2783299853-1375928134-3135347412-500
Successfully deleted: [Task] C:\WINDOWS\system32\tasks\Optimize Start Menu Cache Files-S-1-5-21-4228029713-2871843243-1546460130-500
Successfully deleted: [Task] C:\WINDOWS\system32\tasks\Optimize Start Menu Cache Files-S-1-5-21-4230858961-1955052935-1607234427-1001
Successfully deleted: [Task] C:\WINDOWS\system32\tasks\Optimize Start Menu Cache Files-S-1-5-21-4230858961-1955052935-1607234427-500
~~~ Registry Values
~~~ Registry Keys
Successfully deleted: [Registry Key] HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\SearchScopes\{B7FCA997-D0FB-4FE0-8AFD-255E89CF9671}
~~~ Files
Successfully deleted: [File] C:\WINDOWS\wininit.ini
~~~ Folders
Successfully deleted: [Empty Folder] C:\Users\Anna\appdata\local\{1409588F-22CD-4E69-9309-BBDFB010C4A8}
Successfully deleted: [Empty Folder] C:\Users\Anna\appdata\local\{237CC72B-4E7F-483B-A923-3FE1E1FBE766}
Successfully deleted: [Empty Folder] C:\Users\Anna\appdata\local\{3758F275-BCA5-49CA-A7D0-867A9B18D503}
Successfully deleted: [Empty Folder] C:\Users\Anna\appdata\local\{4EE60D82-68B2-4FD2-B907-B04454056AEC}
Successfully deleted: [Empty Folder] C:\Users\Anna\appdata\local\{4F829826-F94D-4054-8776-F306E2D9152F}
Successfully deleted: [Empty Folder] C:\Users\Anna\appdata\local\{58C74B06-73AA-4EDD-8D40-CE3C467E4F10}
Successfully deleted: [Empty Folder] C:\Users\Anna\appdata\local\{597C709F-3A85-44AD-A515-75920599B67A}
Successfully deleted: [Empty Folder] C:\Users\Anna\appdata\local\{9A2A05AA-3528-4842-9593-29AF3ACECAC8}
Successfully deleted: [Empty Folder] C:\Users\Anna\appdata\local\{C8ED64F1-950A-4FAB-A8BE-E40920D9787A}
Successfully deleted: [Empty Folder] C:\Users\Anna\appdata\local\{D4328CC0-7F91-4C86-A8E1-3219EB12C92A}
Successfully deleted: [Empty Folder] C:\Users\Anna\appdata\local\{DFB12EA3-00DF-43F6-8385-66DDC8C42146}
~~~ Chrome
Successfully deleted: [Folder] C:\Users\Anna\appdata\local\Google\Chrome\User Data\Default\Extensions\nmmhkkegccagdldgiimedpiccmgmieda
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Scan was completed on 21/05/2015 at 22:52:49,39
End of JRT log
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~