TROJ_ZBOT.BGF

This Trojan may be injected into processes running in memory.

It modifies registry entries to enable its automatic execution at every system startup.

It modifies the affected system's HOSTS files. This prevents users from accessing certain websites.

It attempts to steal information, such as user names and passwords, used when logging into certain banking or finance-related websites. It attempts to steal sensitive online banking information, such as user names and passwords. This routine risks the exposure of the user's account information, which may then lead to the unauthorized use of the stolen data.

Infection Points

This Trojan arrives as a file downloaded from the following URLs:

• http://{BLOCKED}nlit.cn/cqi-bin/ldr(serverinlit.cn).exe

Installation

This Trojan drops copies of itself in the Windows system folder and appends garbage code to the dropped copy to avoid easy detection. The dropped copies uses the following file names:

• sdra64.exe

It creates the following folders with attributes set to System and Hidden to prevent users from discovering and removing its components:

• %System%\lowsec

(Note: %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.)

It may be injected into processes running in memory.

It adds the following mutexes to ensure that only one of its copies runs at any one time:

• _AVIRA_2109

Autostart Technique

This Trojan modifies the following registry entry(ies) to enable its automatic execution at every system startup:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\ CurrentVersion\Winlogon
Userinit = "%System%\userinit.exe;%System%\sdra64.exe;"

(Note: The default value data of the said registry entry is %System%\userinit.exe;.)

Other System Modifications

This Trojan adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\ CurrentVersion\Network
UID = "{computer name}_{random numbers}"

HOSTS File Modification

This Trojan modifies the affected system's HOSTS files to prevent a user from accessing the following websites:

• 127.0.0.1 ********d
• 127.0.0.1 a188.x.ak
• 127.0.0.1 acs.panda
• 127.0.0.1 akamai.ne
• 127.0.0.1 anti-viru
• 127.0.0.1 antivirus
• 127.0.0.1 avp.com
• 127.0.0.1 avu.zonel
• 127.0.0.1 diamondcs
• 127.0.0.1 dl1.antiv
• 127.0.0.1 dl2.antiv
• 127.0.0.1 dl3.antiv
• 127.0.0.1 dl4.antiv
• 127.0.0.1 download.
• 127.0.0.1 download1
• 127.0.0.1 download2
• 127.0.0.1 download3
• 127.0.0.1 download4
• 127.0.0.1 download5
• 127.0.0.1 download6
• 127.0.0.1 download7
• 127.0.0.1 downloads
• 127.0.0.1 files.tre
• 127.0.0.1 fr.bitdef
• 127.0.0.1 fr.mcafee
• 127.0.0.1 fractus.m
• 127.0.0.1 free.gris
• 127.0.0.1 ftp.ca.co
• 127.0.0.1 ftp.esafe
• 127.0.0.1 ftp.europ
• 127.0.0.1 ftp.micro
• 127.0.0.1 ftp.nai.c
• 127.0.0.1 ftp.syman
• 127.0.0.1 ftp://dow
• 127.0.0.1 housecall
• 127.0.0.1 ieupdate.
• 127.0.0.1 ieupdate1
• 127.0.0.1 ieupdate2
• 127.0.0.1 ieupdate3
• 127.0.0.1 ieupdate4
• 127.0.0.1 ieupdate5
• 127.0.0.1 ieupdate6
• 127.0.0.1 liveupdat
• 127.0.0.1 mcafee.co
• 127.0.0.1 microsoft
• 127.0.0.1 my-etrust
• 127.0.0.1 niuone.no
• 127.0.0.1 pccreg.an
• 127.0.0.1 radius.tu
• 127.0.0.1 rads.mcaf
• 127.0.0.1 retail.sp
• 127.0.0.1 retail01.
• 127.0.0.1 retail02.
• 127.0.0.1 security.
• 127.0.0.1 securityr
• 127.0.0.1 secuser.c
• 127.0.0.1 secuser.m
• 127.0.0.1 symantec.
• 127.0.0.1 tds.diamo
• 127.0.0.1 update.sy
• 127.0.0.1 updates.a
• 127.0.0.1 upgrade.b
• 127.0.0.1 us.mcafee
• 127.0.0.1 v4.window
• 127.0.0.1 v5.window
• 127.0.0.1 windowsup
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www.{BLOCKED}
• 127.0.0.1 www1.my-e
• 127.0.0.1 www3.ca.c
• 193.125.23.12 updates.sald.

Information Theft

This Trojan accesses the following site to download its configuration file:

• http://{BLOCKED}nlit.cn/cqi-bin/cgi2.bin

It targets the following websites:

• *agent.e-port.ru/cp/lkan/lka.cp*
• *altergold.com/login.php*
• *arquia.es*
• *bankofamerica.com*
• *bankofinternet.com*
• *bbvanetcash.com*
• *bcaixanet-empresas.bancocaixageral.es*
• *bsb.by*
• *c-gold.com/account/login.php*
• *ccm.es*
• *cedacri.it*
• *citibank.ru*
• *citibank.ru/signin/UnameSignonCookie.do*
• *client.mdmbank.ru/retailweb/login.asp
• *credem.it*
• *dab-bank.de*
• *e-gold.com/acct/login.asp*
• *easypay.by*
• *firstib.com*
• *halifax-online.co.uk*
• *hsbc.co.uk*
• *ibank.internationalbanking.barclays.com/logon/*
• *internetbank.by*
• *inwestoronline.pl*
• *ipko.pl*
• *isideonline.it*
• *kiwibank.co.nz/banking/login.asp
• *light.webmoney.ru*
• *lloydstsb.co.uk*
• *meine.norisbank.de*
• *mijn.postbank.nl*
• *money.yandex.ru*
• *online-business.lloydstsb.co.uk*
• *online.lloydstsb.co.uk*
• *passport.yandex.ru*
• *paypal.*/cgi-bin/webscr?cmd=_login-done*
• *paypal.com/row/cgi-bin/webscr?cmd=_profile-address*
• *rbkmoney.ru*
• *rupay.com/index.php*
• *sabadellatlantico.com*
• *scibinet.com/bus/security/Welcome.do?action=form&UserRoleID=*
• *scotiaonline.scotiabank.com/online/start.jsp*
• *secure.inteligo.com.pl/web*
• *service.fuib.com*
• *usaa.com/*
• *www.tb.by*
• http://*.osmp.ru/
• http://*citibank.ru*
• http://www.{BLOCKED}arragona.es/esp/sec_20/codigos.html
• https://*cajamar.es/BE/extern/htm/login.html*
• https://*westpac.com.au/wtwt/startpage*
• https://areasegura.banif.es/bog/bogbsn*
• https://banca.cajaen.es/ISMC/Jaen/C@JAENdirecto.jsp
• https://bancaonline.openbank.es/servlet/PProxy?*
• https://bancopostaonline.poste.it/bpol/bancoposta/formslogin.aspx
• https://banesnet.banesto.es/*/loginEmpresas.htm
• https://easyweb*.tdcanadatrust.com/servlet/*FinancialSummaryServlet*
• https://hb.quiubi.it/newSSO/x11logon.htm
• https://home.cbonline.co.uk/login.html*
• https://home.ybonline.co.uk/login.html*
• https://home.ybonline.co.uk/ral/loginmgr/*
• https://ibanking.banksa.com.au/InternetBanking/viewAccountPortfolio.do*
• https://ibanking.stgeorge.com.au/InternetBanking/viewAccountPortfolio.do*
• https://oi.cajamadrid.es/CajaMadrid/oi/pt_oi/Login/login
• https://oie.cajamadridempresas.es/CajaMadrid/oie/pt_oie/Login/login_oie_1
• https://olb2.nationet.com/MyAccounts/frame_MyAccounts_WP2.asp*
• https://olb2.nationet.com/signon/signon*
• https://online-offshore.lloydstsb.com/customer.ibc
• https://online.lloydstsb.co.uk/logon.ibc
• https://online.wamu.com/Servicing/Servicing.aspx?targetPage=AccountSummary
• https://onlinebanking#.wachovia.com/myAccounts.aspx?referrer=authService
• https://onlinebanking.nationalcity.com/OLB/secure/AccountList.aspx
• https://onlineeast#.bankofamerica.com/cgi-bin/ias/*/GotoWelcome
• https://passport.yandex.ru/passport?mode=remember
• https://privati.internetbanking.bancaintesa.it/sm/login/IN/box_login.jsp
• https://probanking.procreditbank.bg/main/main.asp*
• https://resources.chase.com/MyAccounts.aspx
• https://scrigno.popso.it*
• https://ssl.easypay.by/cgi-bin/client.cgi
• https://web.da-us.citibank.com/*BS_Id=MemberHomepage*
• https://web.da-us.citibank.com/cgi-bin/citifi/portal/l/autherror.do*
• https://web.da-us.citibank.com/cgi-bin/citifi/portal/l/l.do
• https://web.secservizi.it/siteminderagent/forms/login.fcc
• https://www#.citizensbankonline.com/*/index-wait.jsp
• https://www#.usbank.com/internetBanking/LoginRouter
• https://www*.banking.first-direct.com/1/2/*
• https://www.53.com/servlet/efsonline/index.html*
• https://www.arquia.es/bancadis/Login47638.asp
• https://www.arquia.es/bancadis/registro.asp
• https://www.bancoherrero.com/cs/*
• https://www.bbvanetoffice.com/local_bdno/login_bbvanetoffice.html
• https://www.bgnetplus.com/niloinet/login.jsp
• https://www.caixagirona.es/cgi-bin/INclient_2030*
• https://www.caixalaietana.es*
• https://www.caixaontinyent.es/cgi-bin/INclient_2045
• https://www.caixatarragona.es/esp/sec_1/oficinacodigo.jsp
• https://www.cajabadajoz.es/cgi-bin/INclient_6010*
• https://www.cajacirculo.es/ISMC/Circulo/acceso.jsp
• https://www.cajalaboral.com/home/acceso.asp
• https://www.cajasoldirecto.es/2106/*
• https://www.cajavital.es/Appserver/vitalnet*
• https://www.citibank.de*
• https://www.ebank.hsbc.co.uk/main/IBLogon.jsp
• https://www.gbw2.it/cbl/jspPages/form_login_AV.jsp*
• https://www.gruppocarige.it/grps/vbank/jsp/login.jsp
• https://www.halifax-online.co.uk/MyAccounts/MyAccounts.aspx*
• https://www.halifax-online.co.uk/_mem_bin/*
• https://www.in-biz.it*
• https://www.mybank.alliance-leicester.co.uk/login/*
• https://www.paypal.com/*/webscr?cmd=_account
• https://www.paypal.com/*/webscr?cmd=_login-done*
• https://www.rbsdigital.com/Login.asp*
• https://www.suntrust.com/portal/server.pt*parentname=Login*
• https://www.uno-e.com/local_bdnt_unoe/Login_unoe2.html
• https://www.us.hsbc.com/*
• https://www2.bancopopular.es/AppBPE/servlet/servin*
• https://www3.netbank.commbank.com.au/netbank/bankmain*

Note that the contents of the file, hence the list of Web sites to monitor, may change any time.

It attempts to steal information from the following banks and/or other financial institutions:

• Alliance & Leicester
• BBVA
• BG Net Plus
• Banca Intesa
• Banco Herrero
• Banco Popular
• Banesto
• Banif
• Bank of America
• Barclays
• CCM
• Caixa Girona
• Caixa Laietana
• Caixa Ontinyent
• Caixa Tarragona
• Caja Badajoz
• Caja Circulo
• Caja Laboral
• Caja Madrid
• Caja Vital
• Caja de Jaen
• Cajasol
• Chase
• Citibank
• Citizens
• Clydesdale
• DAB
• E-Gold
• E-Port
• Fifth Third
• First Direct
• Gruppo Carige
• HSBC
• Halifax
• IS Bank
• Iside
• Lloyds
• National City
• Nationwide
• OSPM
• Openbank
• PayPal
• PosteItaliane
• Procredit
• Qui UBI
• RBS
• Raiffeisen
• Rupay
• Sabadell Atlantico
• Scrigno
• Secservizi
• Suntrust
• TD Canada Trust
• US Bank
• USAA
• Uno-E
• Wachovia
• Washington Mutual
• Webmoney Keeper Light
• Yandex
• Yorkshire

It attempts to steal sensitive online banking information, such as user names and passwords. This routine risks the exposure of the user's account information, which may then lead to the unauthorized use of the stolen data.

Stolen Information

This Trojan

• %System%\lowsec\user.ds

(Note: %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.)

Drop Points

This Trojan

• http://{BLOCKED}nlit.cn/cqi-bin/scripts.php

Other Details

This Trojan did not exhibit backdoor routines during testing.

Variant Information

This Trojan has the following SHA1 hashes:

• 41b95a336ac8467e1a60986682d092b1495e34d8

It has the following MD5 hashes:

• 08658cea8fef04a36267b82c2afbc92d