[virusinfo] Troj/Shed-A

  • From: "Mike" <mikebike@xxxxxxxxx>
  • To: virusinfo@xxxxxxxxxxxxx
  • Date: Fri, 08 Apr 2005 15:12:58 -0700

From; Sophos Alert System:

Name: Troj/Shed-A
Aliases: Trojan-Clicker.Win32.Small.fb
Type: Trojan
Date: 8 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 Trojan from the wild.


Information about Troj/Shed-A can be found at:
http://www.sophos.com/virusinfo/analyses/trojsheda.html

Troj/Shed-A is a Trojan for the Windows platform. 
Troj/Shed-A creates the following registry entries in order to run itself 
automatically at logon: 
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
<word pair>
<Windows system folder>\bopotsvr.exe 
HKCR\Classes\CLSID\<GUID>\InProcServer32\
default)
C:\\WINDOWS\\System32\\c_12atex.dll 
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\ ShellServiceObjectDelayLoad
Shedule Address
<GUID> 
where <GUID> is a randomly-generated sequence and <word pair> is a combination 
of any two words from the following list: 
Internet
Security
Protocol
Meeting
Shedule
Explorer
Messenger
Browser
Component
Windows
Media
Player
Address
Themes
Update
Connection
Agent
WebControl
Network
Remote
Access
Terminal
Client 
If run with sufficient rights Troj/Shed-A will install itself as an application 
authorised by Windows Firewall to communicate with the outside world. 
Troj/Shed-A may attempt to download configuration files specifying further 
actions to take, including downloading and executing files. 
Troj/Shed-A drops another file to the Windows temporary folder and runs it. 
This file (also detected as Troj/Shed-A) opens a hidden Internet Explorer 
window at a preconfigured URL after modifying internet security settings by 
changing the following registry entries: 
HKLM\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
1001
0 
HKLM\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
1004
0 
HKLM\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
1201
0 

This IDE file also includes detection for:

Troj/StartPa-FP
http://www.sophos.com/virusinfo/analyses/trojstartpafp.html
Troj/HideProc-D
http://www.sophos.com/virusinfo/analyses/trojhideprocd.html
Troj/Dropper-AG
http://www.sophos.com/virusinfo/analyses/trojdropperag.html
Troj/Multidr-DD
http://www.sophos.com/virusinfo/analyses/trojmultidrdd.html
Troj/Feutel-D
http://www.sophos.com/virusinfo/analyses/trojfeuteld.html
Troj/Dropper-W
http://www.sophos.com/virusinfo/analyses/trojdropperw.html
Troj/ShareAll-C
http://www.sophos.com/virusinfo/analyses/trojshareallc.html
Troj/Optix-SE
http://www.sophos.com/virusinfo/analyses/trojoptixse.html

Download the IDE file from:
http://www.sophos.com/downloads/ide/shed-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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