Is there away to restore my svchost.exe (infected w/ a trojan) with not going on my roomates pc with a floopy? I figure windowsxp would have this option with the recovery console, but help always ...

Process Explorer from Sysinternals can tell you which services are being hosted by each copy of svchost.exe as well, if you really wanted to know.

This is an undesirable program. This file has been identified as a program that is undesirable to have running on your computer. This consists of programs that are misleading, harmful, or undesirable.