afaik the file reports the status of the games you play back to EIR. without it there would be no persistancy. so it technically is a trojan (or works like one) but no harm is done...
http://forums.europeinruins.com/index.php?topic=7856.0... though rumors say that EIRRMOD has already made a trillion dollars by phishing for the community's credit card numbers.
So thats how he pays for our epic high-speed powermachine servers