Just cleaned up the wordpress install after being hacked and redirected to random sites.
See the following link for information on how to fix if you have similar issues
http://wordpress.org/support/topic/360936
now to go check all the other wordpress sites.
If this site is redirecting you to other sites please comment below.
Just curious – do you know how and when they got into your site ?
Was it via the SQL injection attack during user registration that was mentioned in the thread you linked to ?