[virusinfo] Troj/Subzero-B
- From: "Mike" <mikebike@xxxxxxxxx>
- To: virusinfo@xxxxxxxxxxxxx
- Date: Fri, 17 Jun 2005 08:29:34 -0700
From; Sophos Alert System:
Name: Troj/Subzero-B
Aliases: Backdoor.Win32.Hupigon.ah
Type: Trojan
Date: 17 June 2005
Sophos has issued protection for Troj/Subzero-B.
At the time of writing, Sophos has received a small number of
reports of this Trojan from the wild.
Customers using EM Library, Enterprise Console, PureMessage or
any of our Sophos small business solutions will be automatically
protected at their next scheduled update.
Information about Troj/Subzero-B can be found at:
http://www.sophos.com/virusinfo/analyses/trojsubzerob.html
Troj/Subzero-B is a Trojan for the Windows platform.
Troj/Subzero-B includes functionality to access the internet and communicate
with a remote server via HTTP.
When first run Troj/Subzero-B moves itself to <System>\svhosts.exe.
The file svhosts.exe is registered as a new system driver service named
"Rwx2005", with a display name of "Rwx" and a startup type of automatic, so
that it is started automatically during system startup. Registry entries are
created under:
HKLM\SYSTEM\CurrentControlSet\Services\Rwx2005\
The Troj/Subzero-B virus identity file (IDE) includes detection for:
Troj/Small-EK
http://www.sophos.com/virusinfo/analyses/trojsmallek.html
Troj/Small-EL
http://www.sophos.com/virusinfo/analyses/trojsmallel.html
W32/Sdbot-ZN
http://www.sophos.com/virusinfo/analyses/w32sdbotzn.html
Customers with 3.xx or lower versions of Sophos Anti-Virus,
who are not running EM Library, can manually download the IDE
for Troj/Subzero-B from:
http://www.sophos.com/downloads/ide/subzer-b.ide
Read about how to use IDE files at
http://www.sophos.com/support/knowledgebase/article/363.html
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