Follow these removal steps to remove this adware from your computer: 
Close all open Internet Explorer windows. 
Click Start > Run, type 'regedit', and click Ok to open the Registry eidtor. 
Navigate to the following key:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run

In the right pane find and delete the entry named "SurfSideKick", "SurfSideKick 2 " or "SurfSideKick 3 " that points to the file "ssk.exe". 

Find and delete the entry named "CU1" that points to "C:\Program Files\Common Files\VCClient\VCClient.exe". 

Find and delete the entry named "CU2" that points to " C:\Program Files\Common Files\VCClient\VCMain.exe" 
Navigate to the following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run

In the right pane find and delete the entry named "SurfSideKick", "SurfSideKick 2 " or "SurfSideKick 3 " that points to the file "ssk.exe". 

Find and delete the entry named "CU1" that points to "C:\Program Files\Common Files\VCClient\VCClient.exe". 

Find and delete the entry named "CU2" that points to " C:\Program Files\Common Files\VCClient\VCMain.exe". 
Find and delete the following keys:

HKEY_CURRENT_USER\Software\SurfSideKick
HKEY_CLASSES_ROOT\CLSID\ {000AB005-FF12-42C2-8DF5-39E12E5F9C91} 
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Surf Sidekick_is1
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\URLSearchHooks
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SurfSideKick
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\URLSearchHooks\ {000AB005-FF12-42C2-8DF5-39E12E5F9C91} 
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\SurfSideKick
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\URLSearchHooks\ {000AB005-FF12-42C2-8DF5-39E12E5F9C91} 
Exit Registry Editor. 
Delete the following directories if they exist: 

C:\Program Files\SurfSideKick 
C:\Program Files\SurfSideKick 2\
C:\Program Files\SurfSideKick 3\
C:\Program Files\Common Files\VCClient\ 
Search for and delete the following files ( if exist ):

Sskknwrd.dll 
Ssk.log 
SskUpdater.exe
SskCore.dll