It is amazing how fast and effective those bots are.

I remember one time I installed Windows 95/98. I wanted the PC to be on internet but did not have a firewall for Windows. But I knew the internet address where I could get one.

So after installing Windows I took my chances, connected to the internet, downloaded the firewall asap, installed it, and was already too late. The PC was compromised within 10 minutes and I had to reinstall it.