A keylogger, is a virus, known to log your keystrokes, and send it to the person, who sent it, eg
If I was keylogged he would see this text,
If I logged in here, he would get ym information for this site.
And kaspersky sucks crap, I had it, for a year..
And I had 30+ Trojans.
I had, nod 32, Pc tools spyware doctor, AVG7.5, and zonealarm, now those are good antivurises.