stuck at apple logo and other issues
was trying to fix a friends macbook pro today and came across ''genieo'' installed on the computer,from what i have read this is some type of malware. i found a video on youtube on how to get rid of it. while i was waiting for a file to be sent to the trash the battery went dead. i restarted all i got was the grey screen,apple logo along with the spinning wheel. i am a noob to apple systems but found my way through some trouble shooting. i checked the HD through the utility and all is ok. checked hardware through the utility and thats good too. after messing with it all day i went through the utility to reinstall,did the reinstall thinking it would solve the issue but i still get the grey screen with apple logo and spinning wheel, also i cant boot to safe mode to see if there is a way to fix this. the macbook pro is on mountain lion 10.8.5. i have tried all sorts of things today and nothing worked. please advise
MacBook Pro, OS X Mountain Lion (10.8.5)