• When was the last time you were infected by malware?

about two years ago.

  • What was the name of it and what effect did it have?

It was a rogue antimalware. I forgot the name since I reformat my laptop once a year.

  • If you know, how did you become infected?

I tried to infect my laptop just to see if avast works.

  • With your experience, what is the most common method for you to run into malware?

Curiosity.

Infected sites are automatically blocked by avast and the browser. Malware from external media are blocked by mcshield and avast.
Only I can decide to infect my laptop or not.