"hijackthis" is an excellent program for getting rid of hijackers. However, this program is not specific for hijackers and will list everything. Therefore, you must be certain of what the program is before you start deleting anything. If you scroll down to Official Downloads on the link provided below you'll find the latest version to download.
There are a few other good programs listed as well on this site. You may want to spend the time getting familiar with some of them, it could save you a lot of grief in the future.
http://www.spywareinfo.com/~merijn/downloads.html