The search hijackers are intrusive and stealthy, so you need to clear the traces of this PUP and also change the settings of the browser to a proper state yourself. the best options are listed in the SafeSearch hijacker removal guide.
In short, you need an anti-malware tool that cleans the machine, deletes PUPs and then you must restore the browser to default or manually change settings back yourself one by one.
The search hijackers are intrusive and stealthy, so you need to clear the traces of this PUP and also change the settings of the browser to a proper state yourself. the best options are listed in the SafeSearch hijacker removal guide.
In short, you need an anti-malware tool that cleans the machine, deletes PUPs and then you must restore the browser to default or manually change settings back yourself one by one.
Sincerely,
2-spyware team