with file scan0079.xls attached
Appears to be a macro virus inside the Excel document so don't open it!
There are many emails being sent today with this subject Email from Transport for London supposedly sent from email address email@example.com
These emails contain a Word document AP0210780545.doc that requires macros to be enabled to open it. DO NOT OPEN! This file contains a virus and will infect your PC, as of now (6 May 2015) it is not detected by the majority of Antivirus vendors.