Lmao. Actually happened to me in real life. Luckily I got the phone call, not my parents because - SCARY. I ended up playing with the scammer to be - wasting her time. She tried every single scare tactic - from people stealing my credit card info, to people dumping malware onto my system...to people using keyloggers.
So, I just stalled her - "Oh, I don't know my passwords." Oh, how do you access the Internet? Oh, sorry, I don't have the time. Wasted about 2 hours of her life and then said something that made her hang up. I don't remember what, but it wasn't offensive in the least...