Additional Details
Small.EJK is a trojan-downloader that is included in a spam run in Germany.
A sample mail is as follows:

Upon execution, it downloads a trojan-spy from a remote addresses on the web using the following script:
• http://81.95.147.138/[REMOVED]/get_exe.php
• http://marketing-know-how.com/[REMOVED]/get_exe.php
• http://tncmhg.com/images/[REMOVED]/get_exe.php
• http://www.eurowing.us/[REMOVED]/get_exe.php
• http://www.thaitradeshow.com/images/[REMOVED]/get_exe.php
An earlier version of the downloaded trojan was detected as
Trojan-Spy.Win32.BZub.IJ. This was later changed/modified most probably by the author(s). The updated copy is now detected as Trojan-Spy:W32/BZub.IK.