TROJ_ZBOT.WVX

November 26, 2013
 Analysis by: Sabrina Lei Sioting
 PLATFORM:

Windows 2000, XP, Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Trojan 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. Once users access any of the monitored sites, it starts logging keystrokes. It attempts to steal information, such as user names and passwords, used when logging into certain banking or finance-related websites.

  TECHNICAL DETAILS

File Size:

117,248 bytes

File Type:

PE

Memory Resident:

Yes

Initial Samples Received Date:

17 Sep 2010

Payload:

Steals information

Infection Points

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

  • http://{BLOCKED}3print.dk/s.exe

Installation

This Trojan drops the following files:

  • %Application Data%\{random1}\{random}.exe
  • %Application Data%\{random2}\{random}.ded

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista and 7.)

It creates the following folders:

  • %Application Data%\{random1}
  • %Application Data%\{random2}

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista and 7.)

It injects itself into the following processes as part of its memory residency routine:

  • explorer.exe

Autostart Technique

This Trojan adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
{043220B6-DA75-668A-C99D-9BDA921C25C1} = %Application Data%\{random1}\{random}.exe

Other System Modifications

This Trojan adds the following registry keys as part of its installation routine:

HKEY_CURRENT_USER\Software\Microsoft\
{random}

Information Theft

This Trojan 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.

It accesses the following site to download its configuration file:

  • http://{BLOCKED}2.57.147:3128/data/set.php
  • http://{BLOCKED}ockey.net/hg/as.bin
  • http://{BLOCKED}b.com/dat/st.dat
  • http://{BLOCKED}.com/sens/sensor.dat

Once users access any of the monitored sites, it starts logging keystrokes.

It targets the following websites:

  • !http://*myspace.com*
  • *&strCodDop=*
  • *banquepopulaire.fr/*
  • *barclays.co.uk*
  • *barclays.co.uk*bscript.js*
  • *barclays.co.uk*gate.php*
  • *barclays.co.uk*kg.php*
  • *download.trusteer.com*.exe*
  • *firstdirect.com*
  • *firstdirect.com*fscript.js*
  • *firstdirect.com*gate.php*
  • *hsbc.co.uk*
  • *hsbc.co.uk/1/2*
  • *secure.ingdirect.co.uk/InitialINGDirect*
  • *www.hsbc.co.uk/*online-security/security-softwar*
  • @https://carnet.cajarioja.es/banca3/*
  • @https://inetbnkp.adelaidebank.com.au/*
  • @https://ingdirect.com.au/*
  • @https://net.kutxa.net/jkn_opkn/*
  • @https://netteller.sydneycu.com.au/*
  • @https://olb2.nationet.com/signon/SinglePageSignon_wp1.asp*
  • @https://online.hbs.net.au/*
  • @https://online.westpac.com.au/pkmslogin.form
  • @https://permonline.newcastlepermanent.com.au/IB/NPBSPersonal
  • @https://pncs.com.au/*
  • @https://secure.ingdirect.com/myaccount/INGDirect.html
  • @https://secure.mystate.com.au/*
  • @https://www.abbeyinternational.com/step2_login.asp?hidFunction=forward
  • @https://www.ardil.bancogallego.es/servlet/*
  • @https://www.caixatarragona.es/esp/sec_1/*
  • @https://www.cajadeavila.es/cgi-bin/*
  • @https://www.cajavital.es/Appserver/*
  • @https://www.caterallenonline.co.uk/WebAccess.dll
  • @https://www.clavenet.net/cgi-bin/*
  • http*.aol.co*
  • http*abbeynational.co.uk*
  • http*halifax*co.uk*
  • http*mail.live.com/mail*
  • http*yahoo.com*
  • http://77.221.133.190/ig/hsbc/hsbc.php
  • http://akbank.com*
  • http://caixasabadell.net/banca2/tx0011/0011.jsp
  • http://cheapcallingcard.info/brap/bscripts.js
  • http://cheapcallingcard.info/brap/index.php
  • http://cheapcallingcard.info/brap/kg.php
  • http://cheapcallingcard.info/frap/fscript.js
  • http://cheapcallingcard.info/frap/index.php
  • http://credem.it/OneToOne/ebank/functions/n_home/home_ma.jsp
  • http://wikipedia.org/wiki.exe
  • http://www.arquia.es/site/esp/asp/flash.asp
  • http://www.bancaeuro.it/OneToOne/ebank/functions/n_be/home_be.jsp*
  • http://www.bancagenerali.it/ibportal/home-fec.do*
  • http://www.bcp.it/wps/portal/BancaCreditoPopolare*
  • http://www.caixatarragona.es/esp/sec_20/codigos.html
  • http://www.ingdirect.co.uk/home/contact_us/contact_us_ec.html
  • http://www.schwab.com/redirect/?refid=*&refpid=*&url=https://investing.schwab.com/trading/start?kc=y
  • http://www.unfcu.org/
  • http://www.unipolbanca.it/Frame/MenuPrivati.htm
  • https://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js
  • https://ajax.googleapis.com/ajax/libs/jqueryui/1.7.2/jquery-ui.min.js
  • https://ajax.googleapis.com/ajax/libs/jqueryui/1.7.2/themes/start/ui.all.css
  • https://ajax.googleapis.com/ajax/libs/yui/2.7.0/build/cookie/cookie-min.js
  • https://ajax.googleapis.com/ajax/libs/yui/2.7.0/build/yahoo/yahoo-min.js
  • https://alltimetreasury.pacificcapitalbank.com/TekPortfolio/servlet/TB_UI_Controller*
  • https://areasegura.banif.es/bog/bogbsn*
  • https://banca.cajaen.es/Jaen/INclient.jsp
  • https://bancaonline.openbank.es/servlet/PProxy?*
  • https://bancopostaimpresaonline.poste.it/RBWeb/
  • https://banesnet.banesto.es/*/loginEmpresas.htm
  • https://banking.*.de/cgi/*
  • https://banking.calbanktrust.com/iLogin.jsp
  • https://banking.postbank.de/app/*
  • https://banking.sparda.de/wps/sparda-net-banking.jsp?blz*
  • https://bcee.snet.lu/SSOServlet
  • https://businessonline.westpac.com.au/esis/Login/SrvPage
  • https://carnet.cajarioja.es/banca3/tx0011/0011.jsp
  • https://commerceconnections.commercebank.com/ibank/cmserver/welcome/default/verify.cfm
  • https://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0
  • https://easyweb*.tdcanadatrust.com/servlet/*FinancialSummaryServlet*
  • https://ebank.laiki.com*
  • https://ebank.laiki.com*css*
  • https://ebanking.danskebank.dk/*
  • https://empresas.gruposantander.es/WebEmpresas/servlet/webempresas.servlets.*
  • https://extranet.banesto.es/*/loginParticulares.htm
  • https://finanzportal.fiducia.de/*?rzid=*&rzbk=*
  • https://getinvolved-donate.fao.org/pub_libs21/system/auth/loadingAnimation.gif
  • https://hb.quiubi.it/newSSO/x11logon.htm
  • https://home.cbonline.co.uk/ralu/loginmgr/fullPassword.ctl*
  • https://home.ybonline.co.uk/ralu/loginmgr/fullPassword.ctl*
  • https://homebanking.cariparma.it/HBPR/hbdoc/LoginApplicazione.jsp
  • https://ibank.anbusiness.com/servlet/BalanceEnquiryServlet?*
  • https://ibank.barclays.co.uk/OLB/A/Content/Images/pinsentry_small.gif
  • https://ibank.barclays.co.uk/q//glo/img/logo/barclays.gif
  • https://ibank.barclays.co.uk/s/glo/img/logo/barclays.gif
  • https://ibank.barclays.co.uk/s/img/reader/enter.gif
  • https://ibank.barclays.co.uk/s/img/reader/sign.gif
  • https://ibank.cahoot.com/Aquarius/web/en/core_banking/log_in/frameset_top_log_in.html
  • https://ibank.cahoot.com/servlet/com.aquarius.*
  • https://ibank.cahoot.com/servlet/com.aquarius.security.authentication.servlet.LoginEntryServlet
  • https://ibank.cahoot.com/servlet/com.aquarius.security.authentication.servlet.LogonServlet
  • https://ibank.scnb.com/inets/Login.cfm
  • https://inetbnkp.adelaidebank.com.au/OnlineBanking/AdBank?xid=*
  • https://intelvia.cajamurcia.es/2043/entrada/01entradaencrip.htm
  • https://internetbanking.aib.ie/hb1/roi/presign.jsp
  • https://internetbanking.gad.de/*/portal?bankid=*
  • https://internetbanking.suncorpmetway.com.au/sml/logon.asp*
  • https://internetsube.yapikredi.com.tr/myapp/firstpage/main.jsp
  • https://investing.schwab.com/service/?request=SignonService
  • https://investing.schwab.com/trading/start?kc=y
  • https://montevia.elmonte.es/cgi-bin/INclient_2098*
  • https://myonlineaccounts2.abbeynational.co.uk/CentralLogonWeb/MyPersonalHomepage*
  • https://net.kutxa.net/jkn_opkn/tmpl/es/loginkn.jsp*
  • https://netteller3.pncs.com.au/*/ntv*.asp?wci=entry
  • https://olb2.nationet.com/signon/signon_WP1.asp?ID=*
  • https://online-business.lloydstsb.co.uk/logon.ibc
  • https://online-business.lloydstsb.co.uk/miheld.ibc
  • https://online-offshore.lloydstsb.com/logon.ibc
  • https://online-offshore.lloydstsb.com/miheld.ibc
  • https://online.hbs.net.au/*/*?WCI=entry
  • https://online.islamic-bank.com/online/aspscripts/secretenter.asp*
  • https://online.kfhonline.com/
  • https://online.kfhonline.com/cgi-bin/kfh.dll/kfhonline/arabic/a_login/a_login.jsp*
  • https://online.kfhonline.com/cgi-bin/kfh.dll/kfhonline/arabic/a_login/a_pre_login.jsp*
  • https://online.kfhonline.com/cgi-bin/kfh.dll/kfhonline/login/login.jsp*
  • https://online.kfhonline.com/cgi-bin/kfh.dll/kfhonline/login/pre_login.jsp*
  • https://online.lloydstsb.co.uk/*
  • https://online.lloydstsb.co.uk/logon.ibc
  • https://online.lloydstsb.co.uk/media/internet_banking/buttons/button_continue_100x24.gif
  • https://online.lloydstsb.co.uk/miheld.ibc
  • https://online.lloydstsb.co.uk/pics/IBL_banner.gif
  • https://online.lloydstsb.com/miheld.ibc
  • https://online.wamu.com/Servicing/Servicing.aspx?targetPage=AccountSummary
  • https://online.wellsfargo.com/das/cgi-bin/session.cgi*
  • https://online.wellsfargo.com/login*
  • https://online.wellsfargo.com/signon*
  • https://online.westpac.com.au/esis/Login/SrvPage
  • 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://onlinetreasurymanager.suntrust.com/ibswebsuntrust/cmserver/welcome/default/verify.cfm
  • https://pastornetparticulares.bancopastor.es/SrPd*
  • https://privati.internetbanking.bancaintesa.it/sm/login/IN/box_login_v2.jsp
  • https://probanking.procreditbank.bg/main/main.asp* GP
  • https://rapprotect.com/adx48/get_for.php?ini=j
  • https://resources.chase.com/MyAccounts.aspx
  • https://scrigno.popso.it*
  • https://secure.fundsxpress.com/piles/fxweb.pile/custom_login?template=login&no_top_url=1&iid=ABMWI
  • https://secure.ingdirect.co.uk/en_GB/web/images/cleardot.gif
  • https://secure.ingdirect.co.uk/en_GB/web/images/left_top_corner.gif
  • https://secure.ingdirect.co.uk/en_GB/web/images/login.gif
  • https://secure.ingdirect.co.uk/en_GB/web/images/right_top_corner.gif
  • https://service.oneaccount.com/onlineV*event=logi*
  • https://tachsystem.com/wk/6/log.php
  • https://tachsystem.com/wl/6/log.php
  • https://telemarch.bancamarch.es/htmlVersion/login.jsp
  • https://telematic.caixamanlleu.es/ISMC/Manlleu_cat/acceso.jsp
  • https://wbank2.fmbcc.bcc.it/htdocs/index2.html
  • 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://web3.secureinternetbank.com/ebc_ebc1961/ebc1961.asp*
  • https://webbanker.cua.com.au/*
  • https://webbanking.bgl.lu/reb0101/WebBankingLogin/passwordCC.jsp
  • https://webexpress.tdbanknorth.com/wcmfd/wcmpw/CustomerLogin
  • https://welcome*.smile.co.uk/SmileWeb/login.do
  • https://welcome*.smile.co.uk/SmileWeb/passcode.do
  • https://welcome23.smile.co.uk/SmileWeb/bulletinBoard.do
  • https://welcome23.smile.co.uk/SmileWeb/login.do
  • https://welcome23.smile.co.uk/SmileWeb/passcode.do
  • https://welcome26.co-operativebank.co.uk/CBIBSWeb/login.do
  • https://welcome26.co-operativebank.co.uk/CBIBSWeb/passcode.do
  • https://welcome27.co-operativebank.co.uk/CBIBSWeb/bulletinBoard.do
  • https://welcome27.co-operativebank.co.uk/CBIBSWeb/login.do
  • https://welcome27.co-operativebank.co.uk/CBIBSWeb/passcode.do
  • https://win03.magma.ca/sfppts/secure/images/loading.gif
  • https://ww*.hsbc.co.uk/1/2/*
  • https://www#.citizensbankonline.com/*/index-wait.jsp
  • https://www#.usbank.com/internetBanking/LoginRouter
  • https://www.53.com/servlet/efsonline/index.html*
  • https://www.ardil.bancogallego.es*
  • https://www.arquia.es/site/esp/asp/flash.asp
  • https://www.bancajaproximaempresas.com/ControlEmpresas*
  • https://www.bancamediolanum.it/
  • https://www.bancamediolanum.it/logim.html
  • https://www.bancoherrero.com/es/*
  • https://www.bankline.natwest.com/LogonService/branding/CESD/error.gif
  • https://www.bankline.ulsterbank.co.uk/LogonService/CheckUniqueIdentifier.d*
  • https://www.bankline.ulsterbank.co.uk/LogonService/Logon.d*
  • https://www.bankline.ulsterbank.co.uk/bankline/ubn/default.jsp
  • https://www.bankoa.es*
  • https://www.bbvanetoffice.com/local_bdno/login_bbvanetoffice.html
  • https://www.bgnetplus.com/niloinet/login.jsp
  • https://www.bv-i.bancodevalencia.es/index.jsp
  • https://www.caixagirona.es/cgi-bin/INclient_2030*
  • https://www.caixalaietana.es/cgi-bin/INclient_2042
  • https://www.caixaontinyent.es/cgi-bin/INclient_2045
  • https://www.caixatarragona.es/esp/sec_1/oficinacodigo.jsp
  • https://www.caja-granada.es/cgi-bin/INclient_2031
  • https://www.cajabadajoz.es/cgi-bin/INclient_6010*
  • https://www.cajacanarias.es/cgi-bin/INclient_6065
  • https://www.cajacirculo.es/ISMC/Circulo/acceso.jsp
  • https://www.cajadeavila.es/cgi-bin/INclient_6094
  • https://www.cajalaboral.com/home/acceso.asp
  • https://www.cajasoldirecto.es/2106/*
  • https://www.cajavital.es/Appserver/vitalnet*
  • https://www.cardonebanking.com/auth*
  • https://www.carifvg.com/script/LoginServlet*
  • https://www.cariparo.it/script/LoginServlet*
  • https://www.carisbo.it/script/LoginServlet*
  • https://www.caterallenonline.co.uk/WebAccess.dll*
  • https://www.ccm.es/cgi-bin/INclient_6105
  • https://www.clavenet.net/cgi-bin/INclient_7054
  • https://www.columbiabankonline.com/onlineserv/CM/
  • https://www.columbiabankonline.com/onlineserv/CM/index.cgi
  • https://www.csebanking.it/LogonEntry*
  • https://www.e-gold.com/acct/balance.asp*
  • https://www.ecathay.com/onlineserv/CM/
  • https://www.fibancmediolanum.es/BasePage.aspx*
  • https://www.fineco.it/fineco/jsp/login/content.jsp
  • https://www.gbw2.it/cbl/jspPages/form_login_AV.jsp*
  • https://www.gruposantander.es/*
  • https://www.gruppocarige.it/grps/vbank/jsp/login.jsp
  • https://www.halifax-online.co.uk/MyAccounts/MyAccounts.aspx?PSF=DisplayMyAccounts*
  • https://www.hsbc.ae/1/2/!ut/p/kcxml/*
  • https://www.hsbc.ae/1/2/idv.Authentication
  • https://www.hsbc.co.uk/1/2/personal/internet-banking*
  • https://www.hsbc.co.uk/1/themes/html/hsbc_ukpersonal_no_idv/icon_help.gif
  • https://www.ib.boq.com.au/*
  • https://www.in-biz.it*
  • https://www.isideonline.it/relaxbanking/sso.Login*
  • https://www.iwbank.it/private/index_pub.jhtml*
  • https://www.macromedia.com/go/getflashplayer
  • https://www.mybank.alliance-leicester.co.uk/index.asp*
  • https://www.mybusinessbank.co.uk/cs70_banking*password
  • https://www.mybusinessbank.co.uk/cs70_banking*viewAccount
  • https://www.mybusinessbank.co.uk/cs70_banking/*
  • https://www.mybusinessbank.co.uk/cs70_banking/logon/challenge/submit
  • https://www.mybusinessbank.co.uk/cs70_banking/logon/logon
  • https://www.mybusinessbank.co.uk/cs70_banking/sbb/app/customer/corp/StartMFAReset
  • https://www.mybusinessbank.co.uk/cs70_banking/sbb/app/smallbiz/user/viewCompanyPreferences
  • https://www.mybusinessbank.co.uk/cs70_banking/sbb/enroll
  • https://www.mybusinessbank.co.uk/cs70_banking/user/images/msg_error.gif
  • https://www.mybusinessbank.co.uk/cs70banking/logon/logon/password
  • https://www.mybusinessbank.co.uk/cs70banking/logon/logon/password
  • https://www.mybusinessbank.co.uk/cs70banking/logon/logon/questions
  • https://www.nwolb.com/AccountSummary.aspx*
  • https://www.offshore.hsbc.com/1/2/!ut/p/kcxml/*
  • https://www.offshore.hsbc.com/1/2/idv.Authentication
  • https://www.offshore.hsbc.com/1/2/idv.OnlineCAMReset?OLRLink=CAM30ForgotPasswordLink
  • https://www.onlinebanking.natwestoffshore.com/login.aspx*
  • https://www.paypal.com/*/webscr?cmd=_account
  • https://www.paypal.com/*/webscr?cmd=_login-done*
  • https://www.qccu.com.au/
  • https://www.rbsdigital.com/AccountSummary.aspx*
  • https://www.sabadellatlantico.com/es/*
  • https://www.suntrust.com/portal/server.pt*parentname=Login*
  • https://www.torproject.org/images/ru.png
  • https://www.unibanking.it/common/home.jsp
  • https://www.uno-e.com/local_bdnt_unoe/Login_unoe2.html
  • https://www.us.hsbc.com/1/2/!ut/p/kcxml/*
  • https://www.vr-networld-ebanking.de/index.php?RZKZ=*&RZBK=*
  • https://www.wellsfargo.com/*
  • https://www.whitneybank.web-access.com/whitney/cgi-bin/welcome.cgi
  • https://www1.firstdirect.com/1/themes/html/firstdirectPWSa/images/fdlogo_home.gif
  • https://www1.ibercajadirecto.com/ibercaja/asp/Login.asp
  • https://www2.bancopopular.es/AppBPE/servlet/servin*
  • https://www2.ccp-connect.lu/login.do;jsessionid=*

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

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

  • AIB
  • Abbey National
  • Akbank
  • Alliance & Leicester
  • BBVA
  • BG Net Plus
  • Banca Intesa
  • Bancaja
  • Banco Herrero
  • Banco Pastor
  • Banco Popular
  • Banco de Sadabell
  • Banco de Valencia
  • Banesto
  • Banif
  • Bank of America
  • Banque Populaire
  • Barclays
  • CCM
  • Caixa Girona
  • Caixa Laietana
  • Caixa Manlleu
  • Caixa Ontinyent
  • Caixa Tarragona
  • Caja Badajoz
  • Caja Canarias
  • Caja Circulo
  • Caja Granada
  • Caja Laboral
  • Caja Murcia
  • Caja Vital
  • Caja de Avila
  • Caja de Jaen
  • Cajarioja
  • Cajasol
  • Chase
  • Citibank
  • Citizens
  • Clavenet
  • Clydesdale
  • Co-Operativebank
  • Danske
  • E-Gold
  • Fibanc Mediolanum
  • Fiducia
  • Fifth Third
  • GAD
  • Gruppo Carige
  • HSBC
  • Halifax
  • ING Direct
  • IW Bank
  • Iside
  • Kutxanet
  • Lloyds
  • Myspace
  • National City
  • Nationwide
  • Natwest
  • Net Banking
  • Openbank
  • PNC
  • PayPal
  • PosteItaliane
  • Procredit
  • Qui UBI
  • RBS
  • Raiffeisen
  • SEB
  • Sabadell Atlantico
  • Santander
  • Scrigno
  • Secservizi
  • Smile
  • Suntrust
  • TD Canada Trust
  • US Bank
  • Uno-E
  • Volksbanken Raiffeisenbanken
  • Wachovia
  • Washington Mutual
  • Wells Fargo
  • Westpac Banking Corporation
  • Yorkshire

Stolen Information

This Trojan sends the gathered information via HTTP POST to the following URL:

  • http://{BLOCKED}2.57.147:3128/data/set.php

Other Details

This Trojan did not exhibit backdoor routines during testing.

Variant Information

This Trojan has the following MD5 hashes:

  • 5e42ae9059f25cd1bbd86448b2451d54

It has the following SHA1 hashes:

  • 26ae16f962e3b66562453b2847bb2607f7199877

  SOLUTION

Minimum Scan Engine:

8.900

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Identify and delete files detected as TROJ_ZBOT.WVX using the Recovery Console

[ Learn More ]

Step 3

Delete this registry value

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Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • {043220B6-DA75-668A-C99D-9BDA921C25C1}=%Application Data%\{random1}\{random}.exe

Step 4

Delete this registry key

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Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry. Before you could do this, you must restart in Safe Mode. For instructions on how to do this, you may refer to this page If the preceding step requires you to restart in safe mode, you may proceed to edit the system registry.

  • In HKEY_CURRENT_USER\Software\Microsoft\
    • {random}

Step 5

Search and delete these folders

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Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %Application Data%\{random1}
  • %Application Data%\{random2}

    • Step 6

    Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_ZBOT.WVX. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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