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Once opened, the OpenOffice file, called badbunny.odg, launches a macro that behaves in several different ways, depending on the user's operating system. On Windows systems, it drops a file called drop.bad, which is moved to the system.ini file in the user's mIRC folder. It also executes the JavaScript virus badbunny.js, which replicates to other files in the folder. On Apple Mac systems, the worm drops one of two Ruby script viruses in files respectively called badbunny.rb and badbunnya.rb. On Linux systems, the worm drops both badbunny.py as an XChat script and badbunny.pl as a Perl virus.