No-body seems to have any idea what it is actually intended to do. So far, all it has done is propagate itself. April 1st is "one of those days" that is suspect, but no doubt there are many other dates significant to various cultures that dont like computer users when it could be set to do whatever it is going to do.
I had a look on majorgeeks and downloaded a copy of ssconftool_10_sfx, which is a free tool for spotting and getting rid of an infection. Running it took about 1/2 hour and reported no infection. Its always nice to know that whatever problems are out there, they aren't yours.