Secunia - Virus Information - BAGLE.AF 
This one is spreading significantly. 
This is a mass-mailing worm with the following characteristics: 
* contains its own SMTP engine to construct outgoing messages 
* harvests email addresses from the victim machine 
* the From: address of messages is spoofed 
* attachment can be a password-protected zip file, with the password included in the message body. 
* contains a remote access component (notification is sent to hacker) 
* copies itself to folders that have the phrase shar in the name (such as common peer-to-peer applications; KaZaa, Bearshare, Limewire, etc) 
* uses various mutex names selected from those W32/Netsky variants have used, in order to prevent those W32/Netsky variants running on infected machines. 
Friday, July 16, 2004
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