Thank you very much for your help!!
Here is the log from Delfix
DelFix v1.010 - Logfile created 11/05/2015 at 14:09:30
Updated 26/04/2015 by Xplode
Username : Tony - TONYDESKTOP
Operating System : Windows 8.1 (64 bits)
~ Activating UAC … OK
~ Removing disinfection tools …
Deleted : C:\FRST
Deleted : C:\AdwCleaner
Deleted : C:\Users\Tony\Desktop\Addition.txt
Deleted : C:\Users\Tony\Desktop\aswmbr.exe
Deleted : C:\Users\Tony\Desktop\aswMBR.txt
Deleted : C:\Users\Tony\Desktop\Fixlog.txt
Deleted : C:\Users\Tony\Desktop\FRST.txt
Deleted : C:\Users\Tony\Desktop\FRST64.exe
Deleted : C:\Users\Tony\Desktop\MBR.dat
Deleted : HKLM\SOFTWARE\AdwCleaner
~ Creating registry backup … OK
~ Cleaning system restore …
Deleted : RP #75 [Scheduled Checkpoint | 04/25/2015 11:58:58]
Deleted : RP #76 [Scheduled Checkpoint | 05/02/2015 16:56:19]
Deleted : RP #77 [Installed StudioTax 2014 | 05/04/2015 18:18:15]
Deleted : RP #79 [Restore Point Created by FRST | 05/08/2015 15:05:34]
New restore point created !
~ Resetting system settings … OK
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