[virusinfo] W32/Sdbot-XV
- From: "Mike" <mikebike@xxxxxxxxx>
- To: virusinfo@xxxxxxxxxxxxx
- Date: Sat, 30 Apr 2005 16:34:10 -0700
From; Sophos Alert System:
Name: W32/Sdbot-XV
Type: Win32 worm
Date: 30 April 2005
A virus identity (IDE) file which provides protection is
available now from the Sophos website, and will be incorporated
into the June 2005 (3.94) release of Sophos Anti-Virus.
Customers using EM Library, PureMessage or any of our Sophos
small business solutions will be automatically protected at
their next scheduled update.
At the time of writing, Sophos has received a small number of
reports of this worm from the wild.
Information about W32/Sdbot-XV can be found at:
http://www.sophos.com/virusinfo/analyses/w32sdbotxv.html
W32/Sdbot-XV is a network worm with backdoor Trojan functionality for the
Windows platform.
When first run, W32/Sdbot-XV copies itself to the Windows system folder as
mskev.exe and creates the following registry entries in order to run each time
a user logs on:
HKLM\System\CurrentControlSet\Control\Lsa
Windows kev Messenger
mskev.exe
HKLM\Software\Microsoft\Ole
Windows kev Messenger
mskev.exe
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Windows kev Messenger
mskev.exe
HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnce
Windows kev Messenger
mskev.exe
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices
Windows kev Messenger
mskev.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Windows kev Messenger
mskev.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices
Windows kev Messenger
mskev.exe
The worm spreads through network shares protected by weak passwords and through
various operating system vulnerabilities.
W32/Sdbot-XV connects to a predetermined IRC channel and awaits further
commands from remote users. The backdoor component of W32/Sdbot-XV can be
instructed to perform the following functions:
scan networks for vulnerabilities
download/execute arbitrary files
Patches for the vulnerabilities exploited by W32/Sdbot-XV can be obtained from
Microsoft at:
MS02-039
MS04-011
MS04-012
This IDE file also includes detection for:
Troj/Maloader-A
http://www.sophos.com/virusinfo/analyses/trojmaloadera.html
Troj/Psyme-BU
http://www.sophos.com/virusinfo/analyses/trojpsymebu.html
W32/Rbot-ABN
http://www.sophos.com/virusinfo/analyses/w32rbotabn.html
Troj/Murlo-X
http://www.sophos.com/virusinfo/analyses/trojmurlox.html
Troj/Spygal-D
http://www.sophos.com/virusinfo/analyses/trojspygald.html
Download the IDE file from:
http://www.sophos.com/downloads/ide/sdbot-xv.ide
Download all the IDE files available for the current version of
Sophos Anti-Virus in a single compressed file. The file is
available in two formats:
Zip file:
http://www.sophos.com/downloads/ide/ides.zip
Self-extracting file:
http://www.sophos.com/downloads/ide/ides.exe
Read about how to use IDE files at
http://www.sophos.com/downloads/ide/using.html
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