Bagle.BK - (aka Beagle.AZ) similar to Bagle.BJ
http://www.sarc.com/avcenter/venc/data/w32.beagle.az@mm.html
http://vil.nai.com/vil/content/v_131352.htm
This variant is very similar to the W32/Bagle.bj@MM variant which has had its risk assessment raised to medium.
W32/Bagle.BJ - MEDIUM RISK (DAT 4423 issued)
http://forums.mcafeehelp.com/viewtopic.php?t=40098