[virusinfo] Sophos Anti-Virus IDE alert: Troj/Webber-H
- From: "Mike" <mikebike@xxxxxxxxx>
- To: virusinfo@xxxxxxxxxxxxx
- Date: Tue, 13 Apr 2004 08:21:37 -0700
From; Sophos Alert System:
Name: Troj/Webber-H
Aliases: TrojanDownloader.Win32.Small.hg, Trojan.Download.Berbew,
Downloader-DI trojan, Downloader-DI!zip
Type: Trojan
Date: 13 April 2004
A virus identity (IDE) file which provides protection is
available now from the Sophos website, and will be incorporated
into the June 2004 (3.82) release of Sophos Anti-Virus.
Enterprise Manager and PureMessage customers will be
automatically protected at their next scheduled update.
Sophos has received several reports of this Trojan from the
wild.
Note: Sophos has been detecting Troj/Webber-H since 06:54 GMT on
8th April. This IDE has been issued to enhance detection.
Information about Troj/Webber-H can be found at:
http://www.sophos.com/virusinfo/analyses/trojwebberh.html
DDescription
Troj/Webber-H is a two component backdoor Trojan.
The downloader component of the Trojan appears to have been mass mailed out.
When run the Trojan downloads a remote file to C:\windows\usermade.exe and
executes it.
The downloaded component is a password stealing Trojan that attempts to
extract sensitive information from several locations on the system and sends
it to a remote computer.
The downloaded component copies itself as a file with a random name into the
Windows system folder and drops and executes a DLL file, also with a random
name, that runs the copy of the Trojan.
In order to be started automatically the Trojan creates the following
registry entries:
HKLM\Software\CLASSES\CLSID\{79FB9088-19CE-715D-D900-216290C5B738}
\InProcServer32
HKLM\Software\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad
\Web Event Logger
Troj/Webber-H also sets the following Microsoft Internet Explorer related
registry entries to prompt the user into entering passwords:
HCU\Software\Microsoft\Internet Explorer\Main\FormSuggest Passwords
HCU\Software\Microsoft\Internet Explorer\Main\FormSuggest PW Ask
HCU\Software\Microsoft\Internet Explorer\Main\Use FormSuggest
ownload the IDE file from:
http://www.sophos.com/downloads/ide/webber-h.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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