HT4650: How to avoid or remove Mac Defender malware in Mac OS X v10.6 or earlierLearn about How to avoid or remove Mac Defender malware in Mac OS X v10.6 or earlier
Currently Being ModeratedApr 2, 2012 3:37 PM (in response to bandaryk)
Please let me know Is it hacking or virous ... ?
It's probably neither, but we can't tell unless we see the screen shots, and and at this point I can't see them. Try re-posting screen shots using the camera button.
Currently Being ModeratedApr 3, 2012 5:02 AM (in response to bandaryk)
mDNSResponder is an essential process; it's part of the operating system and its presence is perfectly normal.
As to rookdns, see this
I don't think you need to worry. There's no evidence of malware or of having been hacked.