[virusinfo] W32/Stubbot-A
- From: "Mike" <mikebike@xxxxxxxxx>
- To: virusinfo@xxxxxxxxxxxxx
- Date: Fri, 01 Apr 2005 15:01:33 -0800
From; Sophos Alert System:
Name: W32/Stubbot-A
Aliases: Backdoor.Win32.Stub.b
Type: Win32 worm
Date: 1 April 2005
A virus identity (IDE) file which provides protection is
available now from the Sophos website, and will be incorporated
into the May 2005 (3.93) 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/Stubbot-A can be found at:
http://www.sophos.com/virusinfo/analyses/w32stubbota.html
W32/Stubbot-A is a network worm with backdoor functionality for the Windows
platform.
W32/Stubbot-A can spread to remote network shares protected by weak passwords,
computers that have a backdoor opened by the MyDoom worm on port 3127, P2P
file-sharing networks and email. W32/Stubbot-A connects to a preconfigured IRC
server and opens up a backdoor allowing unauthorised remote access to the
infected computer via the IRC network.
W32/Stubbot-A runs in the background waiting for commands from a remote
intruder. The worm can be instructed to download and run files, log keypresses,
start a web-server to aid distribution during spreading, download bot plugins,
delete files, start a remote command shell, send itself to other IRC users and
send itself as an email attachment.
W32/Stubbot-A copies itself to the Windows folder as "stubbish.exe" and creates
the text file "stbn.ick" for its own use. The worm creates the following
registr entries in order to run automatically on computer logon:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Stubbish
<Windows folder>\Stubbish.exe
The worm can copy itself to the shared folders of the P2P networking programs
eDonkey2000, Morpheus, Xolox, Kazaa, Shareaza and LimeWire with one of the
following filenames:
MSNPasswordStealer_Setup.exe
MSNHack.exe
AOL_Hack.exe
AOL_Password_Stealer.exe
mIRC 7.0 Beta.exe
MSNBot_Setup.exe
Winamp5.7Beta.exe
MSN7Beta.exe
Email attachments sent by the worm can have one of the following filenames:
Test.exe
Test.pif
Details.pif
Decrypt_mail.pif
Message.pif
Instructions-howtofix.txt.pif
Confirm.exe.pif
Protected.Storage.Encrytpde.XOR.34h.pif
haha.pif
Screensave.scr
This IDE file also includes detection for:
Troj/LegMir-JA
http://www.sophos.com/virusinfo/analyses/trojlegmirja.html
Troj/PowerSpi-B
http://www.sophos.com/virusinfo/analyses/trojpowerspib.html
W32/Rbot-ZL
http://www.sophos.com/virusinfo/analyses/w32rbotzl.html
Troj/Feutel-C
http://www.sophos.com/virusinfo/analyses/trojfeutelc.html
Dial/DialCar-H
http://www.sophos.com/virusinfo/analyses/dialdialcarh.html
Troj/Dloader-KT
http://www.sophos.com/virusinfo/analyses/trojdloaderkt.html
W32/Rbot-ZJ
http://www.sophos.com/virusinfo/analyses/w32rbotzj.html
Download the IDE file from:
http://www.sophos.com/downloads/ide/stubbo-a.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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