Troj/StartP-BEM is a Trojan for the Windows platform.
Troj/StartP-BEM is likely to be installed on computers infected with W32/Sdbot-DEE as part of its download payload.
Once run, Troj/StartP-BEM modifies the default homepage for Internet Explorer by setting the following Registry entry:
HKCU\Software\Microsoft\Internet Explorer\Main
Start Page
http://(blocked).hotinfolink.com
At the time of writing this site was not hosting malicious content. It is likely that Troj/StartP-BEM is being used to increase traffic to that site (therefore generating advertising revenue).