Please Help Removal of Holasearch.com

Hi guys,
I have a computer that was given to me from a family member and it has a virus called Holasearch.com , everytime i open mozilla firefox i get transfered to Holasearch.com instead of Google.com
I have run Malewarebytes and cant detect the virus also have googled a fix but half of the crap u read is incorrect, was hoping someone else has had this issue and knows a tool that i can use to remove this piece of crap from my laptop
Kind regards
Shane
Answer #1
check ur homepage settings in firefox ? Could be a simple thing of a browser hijack that modified ur start page
Answer #2
download spybot search and destroy. When downloaded, run update. then immunise browser(s). then run test
Answer #3
What things have you tried?
-check add remove programs for Holasearch
-check hompage setting.
-check addons for xfinity. uninstall it.
-check windows Task Scheduler. Not task manager. task Scheduler.
-check teh startup run entries.
-does it go to google if you type it into the address bar?
-did you try using a hammer? ha ha i’m joking. lol
Searching google for: Holasearch . com returns 748 pages. One of them should be the fix.
Until you get it fixed, try using the encrypted google address.
https://encrypted.google.com/
Try spybot SD if malwarebytes didn’t find anything.
SpybotSD: http://www.safer-networking.org/mirrors/
For older pc's: http://www.safer-networking.org/mirrors16/
Also click Advance mode in spybot and check the start up entries. To receive better help, you can download hiJackThis and post a log file.
Don’t forget to code your log file..in the quote code if any links appear active.
http://sourceforge.net/projects/hjt/