Threat description


Category: Malware
Type: Trojan-Downloader
Platform: W32
Aliases: Trojan-Downloader:W32/Small.EJK


Small.EJK is a trojan-downloader that is included in a spam run in Germany.


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.


More information on scanning and removal options available in your F-Secure product can be found in the Help Center.

You may also refer to the Knowledge Base on the F-Secure Community site for more information.

Contact Support

For further assistance, F-Secure customers can request support online via the Request support or the Chat forms on our Home - Global site.

Technical 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:


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.


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