Heavy Indian accent from a man claiming to be named, "Daniel" calling on behalf of "Microsoft's Service Department".
Just another Durka-Durka Scam claiming that your computer is "sending out virus signals".
DO NOT GIVE THEM ANY INFORMATION
DO NOT PLAY ALONG WITH THEIR ROUTINE
DO NOT INSTALL Logmein or Hamachi as per their request
DO NOT LET THEM ON YOUR COMPUTER

If you do, your bank account information and anything else on your computer WILL be compromised.
You have been WARNED.