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You Can Try Spy hunter
Why not go with antivirus software that is well known and has been repeatedly tested by independent labs and journalists. I use AVG Free and am pleased with it, and it does a good job at blocking malware. Avast is also good - and free. PCKeeper may be fine (or not), but I don't like to gamble with unknown software, and I don't have time to waste partitioning a drive to test it myself. PCMag just published their choices for best antivirus for 2013, which looks at a ton of choices (but not PCKeeper). You might want to look at some of those choices instead.