Several new W32/Bagle downloader variants have been widely spammed to users (November 23, 2005). To date, they are detected as W32/Bagle.gen@MM with the 4635 DATs.
These are downloader trojans. However, like previous Bagle variants, it is likely that in the near future, the author(s) will post an accompanying EXE file on a remote server, which SPAMs new versions of Bagle (not to addresses harvested on the local system, but to addresses specified in spam lists also on remote web servers). This trojan was mass-spammed in a ZIP attachment and uses peoples names as the filenames, for example:
F-Secure and McAfee report several new variants and this list could grow. Batten down the hatches.
F-Secure - 6 new variants
McAfee detection information