Didn't had the time to analyse the trojans. Will edit later after analysis is complete.
http://chomchaloa.com/templates/planets/cheque20012011.php
http://c-71-63-136-200.hsd1.mn.comcast.net/Beta/view.asp?Documento=comprovante-4009002001322
Edited:
Here's the threatexpert report for both trojans:
http://www.threatexpert.com/report.aspx?md5=ef0c1a81fbb1c2cf681997d9c9923019
http://www.threatexpert.com/report.aspx?md5=cd9ac3aa30be117b041e645f611995f8