Barclays Bank provide us with Kaspersky free of charge. However, letting it look at my keystrokes nearly brought the system to a standstill. With that off, I don't know it's there unless it has something to say.
Often when I'm paying for some small item, and strangely, on my American bank while I'm in the US, it pops up with a full screen asking me if I need to have them monitor proceedings.