by doing that in start/run just brings up explorer in the C:\windows\inf folder view...... nothing dangerous there
www.letmein.com .... well the name says it all doesn't it Let Me In
but other than that it's an harmless scam to try and make money of you for doing basically nothing
Lol I wouldnt go as far as harmless. My mate hasnt found a way to get rid of that let me in stuff off the VM. Ill try find their website and call them and see what they do.