well keyloggers are not only meant for Hacking Facebook, but have lots of other works too.
well its not completely true.
and yes it is harmful if used for wrong Activities.
then you oughta run task manager and check for unwanted programwhich are running in the background.
If you still dont know how to do it.
there are many softwares available online to remove keyloggers.
Its better to keep your Antivirus program updated, as most of the Keylogger are automatically detected and removed.
and while using Online banking dont forget to switch to Virtual Keyboard.
source: www.techworm.net
