YELLOW ALERT - WORM_BOBAX.P - 03.06.2005 (Yellow Alert):
This memory-resident worm, which usually arrives on a system as downloaded file of TROJ_SMALL.AHE, spreads by sending a copy of itself as an attachment to an email message that it sends using its own Simple Mail Transfer Protocol (SMTP) engine.
The message it sends out contains the following details:
Subject: {blank}
Message body: (any of the following)
• Attached some pics that i found
• Check this out

• Hello,
• I was going through my album, and look what I found..
• Long time! Check this out!
• Osama Bin Laden Captured.
• Remember this?
• Saddam Hussein - Attempted Escape, Shot dead • Secret!
• Testing
(followed by any of the following strings) • +++ Attachment: No Virus found • +++ F-Secure AntiVirus - You are protected • +++ Norman AntiVirus - You are protected • +++ Norton AntiVirus - You are protected • +++ Panda AntiVirus - You are protected • +++
www.f-secure.com • +++
www.norman.com • +++
www.pandasoftware.com • +++
www.symantec.com
Attachment: (any of the following names followed by a .ZIP extension) • bush.1 • funny.1 • joke.1 • pics.1 • secret.2 It also propagates by taking advantage of the Windows LSASS vulnerability. For more information about this vulnerability, please refer to the following Microsoft page:
Microsoft Security Bulletin MS04-011
This worm is also capable of modifying the system's HOSTS file in order to prevent users from accessing certain Web sites.
http://www.trendmicro.com/vinfo/virusencyclo/default5.asp?VName=WORM_BOBAX.P