I am afraid it is already too late to recover your data, weera. It has been overwritten.
I hope you have backups on separate media.. cd or dvd.... any drives you connect before running a cleaner will get infected also.
May I suggest that you install a good AV?
Choose one of these:
AVG FRE, Avast, Avira....
AVG Free 7.5 at http://free.grisoft.com/doc/5390/lng/us/tpl/v5
[while you are there, get this: AVG AS 7.5]
Avira personal free at http://www.free-av.com/
Avast home edition at http://www.avast.com/eng/avast_4_home.html
...and one of these:
ZoneAlarm Free, Kerio, Comodo
gerbil
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