do it manually
			 
			 
			
		
		
		hit start- search 
 
enter this *.exe  
 
 ............. that's asterisk dot exe   
 
now every exe file on your PC is listed 
 
now go down the list and look for the one that's dated 
or created on may 15   2009 
 
also you can simply do a search for all files created on march 15th 
 
then delete the all the ones created close to the time 
 you were there until the browser hijacking is gone. 
		
		
		
		
		
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