New MiMail variant is DDoS'ing SCO.com

MiMail.R, also known as W32/Mydoom_at_MM (McAfee), Novarg (F-Secure),
W32.Novarg.A_at_mm (Symantec), Win32.Mydoom.A (CA) and Win32/Shimg (CA), is
a polymorphic variant that collects/spams/forges email addresses using
its own SMTP engine, installs a backdoor (most likely for use by
spammers) and engages in a DDoS attack against SCO.com by routinely
sending 63 HTTP requests. It's send as a ZIP attachment containing an
executable file with the file extension masked by numerous spaces.

McAfee is calling this a High Outbreak worm, which definitely fits the
bill according to the number of samples we are receiving.

Is the SCO.com DDoS an attempt at distraction from the fact that this
virus installs a proxy backdoor?

CA used to have a removal tool at

http://www3.ca.com/Files/VirusInformationAndPrevention/clnshimg.zip

but it's no longer available.

More information:

http://us.mcafee.com/virusInfo/default.asp?id=mydoom
http://www.trendmicro.com/vinfo/virusencyclo/default5.asp?VName=WORM_MIM
AIL.R
http://securityresponse.symantec.com/avcenter/venc/data/w32.novarg.a@mm.
html
http://www3.ca.com/solutions/collateral.asp?CT=27081&CID=54593

Regards

Thor Larholm
Senior Security Researcher
PivX Solutions
24 Corporate Plaza #180
Newport Beach, CA 92660
http://www.pivx.com
thor_at_pivx.com
Phone: +1 (949) 231-8496
PGP: 0x5A276569
6BB1 B77F CB62 0D3D 5A82 C65D E1A4 157C 5A27 6569

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Received on Jan 27 2004