[virusinfo] Sophos Anti-Virus IDE alert: W32/Agobot-GZ
- From: "Mike" <mikebike@xxxxxxxxx>
- To: virusinfo@xxxxxxxxxxxxx
- Date: Thu, 29 Apr 2004 16:38:18 -0700
From; Sophos Alert System:
Name: W32/Agobot-GZ
Type: Win32 worm
Date: 29 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.
Customers using Enterprise Manager, PureMessage and any
of the Sophos small business solutions will be automatically
protected at their next scheduled update.
At the time of writing, Sophos has received just one report of
this worm from the wild.
Information about W32/Agobot-GZ can be found at:
http://www.sophos.com/virusinfo/analyses/w32agobotgz.html
Description
W32/Agobot-GZ is an IRC backdoor Trojan and network worm.
W32/Agobot-GZ is capable of spreading to computers on the local network
protected by weak passwords.
When first run, W32/Agobot-GZ copies itself to the Windows system folder
as svnhost.exe and creates the following registry entries to run itself
on startup:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
Microsoft Update Event = svnhost.exe
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices\
Microsoft Update Event = svnhost.exe
The Trojan runs continuously in the background providing backdoor access to
the computer.
The Trojan attempts to terminate and disable various anti-virus and security
related programs and modifies the HOSTS file located at
%WINDOWS%\System32\Drivers\etc\HOSTS, mapping selected anti-virus
websites to the loopback address 127.0.0.1 in an attempt to prevent access
to these sites. Typically the following mappings will be appended to the
HOSTS file:
127.0.0.1 www.symantec.com
127.0.0.1 securityresponse.symantec.com
127.0.0.1 symantec.com
127.0.0.1 www.sophos.com
127.0.0.1 sophos.com
127.0.0.1 www.mcafee.com
127.0.0.1 mcafee.com
127.0.0.1 liveupdate.symantecliveupdate.com
127.0.0.1 www.viruslist.com
127.0.0.1 viruslist.com
127.0.0.1 viruslist.com
127.0.0.1 f-secure.com
127.0.0.1 www.f-secure.com
127.0.0.1 kaspersky.com
127.0.0.1 www.avp.com
127.0.0.1 www.kaspersky.com
127.0.0.1 avp.com
127.0.0.1 www.networkassociates.com
127.0.0.1 networkassociates.com
127.0.0.1 www.ca.com
127.0.0.1 ca.com
127.0.0.1 mast.mcafee.com
127.0.0.1 my-etrust.com
127.0.0.1 www.my-etrust.com
127.0.0.1 download.mcafee.com
127.0.0.1 dispatch.mcafee.com
127.0.0.1 secure.nai.com
127.0.0.1 nai.com
127.0.0.1 www.nai.com
127.0.0.1 update.symantec.com
127.0.0.1 updates.symantec.com
127.0.0.1 us.mcafee.com
127.0.0.1 liveupdate.symantec.com
127.0.0.1 customer.symantec.com
127.0.0.1 rads.mcafee.com
127.0.0.1 trendmicro.com
127.0.0.1 www.trendmicro.com
Recovery
Please follow the instructions for removing worms
This IDE file also includes detection for:
Troj/Bagle-Y
http://www.sophos.com/virusinfo/analyses/trojbagley.html
Troj/Toger-V
http://www.sophos.com/virusinfo/analyses/trojtogerv.html
Troj/Legmir-M
http://www.sophos.com/virusinfo/analyses/trojlegmirm.html
Troj/Octa-A
http://www.sophos.com/virusinfo/analyses/trojoctaa.html
Troj/Banker-X
http://www.sophos.com/virusinfo/analyses/trojbankerx.html
W32/Sdbot-HV
http://www.sophos.com/virusinfo/analyses/w32sdbothv.html
W32/Sdbot-HW
http://www.sophos.com/virusinfo/analyses/w32sdbothw.html
W32/Rbot-G
http://www.sophos.com/virusinfo/analyses/w32rbotg.html
W32/Sdbot-HY
http://www.sophos.com/virusinfo/analyses/w32sdbothy.html
Download the IDE file from:
http://www.sophos.com/downloads/ide/agobotgz.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
Mike ~ It is a good day if I learned something new.
Editor MikesWhatsNews see ~ http://www.mwn.ca
<mikeswhatsnews-request@xxxxxxxxxxxxx?Subject=subscribe>
See my Anti-Virus pages
<http://www3.telus.net/mikebike/mikes_virus_page.htm>
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A Technical Support Alliance & OWTA Charter Member
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