PWS-Banker.y!hosts

This detection is for the change in the local hosts file as a result of executing the PWS-Banker.y trojan.

The local hosts file is overwritten by this trojan. In some cases this resulted in a zero byte hosts file being left on the infected system whereas in other cases, the hosts file may resemble something similar to that of the example in the symptoms section below.

Typically, the local hosts file is located in the following location:

Please note that spaces have been added to the URLs below and the IP addresses have been substituted for a.b.c.d

a.b.c.d onlineaccounts2.abbeynational.co.uk
a.b.c.d www3 .aibgbonline.co.uk
a.b.c.d www .bank.alliance-leicester.co.uk
a.b.c.d login.iblogin.com
a.b.c.d ww2 .bankofscotlandhalifax-online.co.uk
a.b.c.d inet.barclays.co.uk
a.b.c.d iibank.barclays.co.uk
a.b.c.d iibank.cahoot.com
a.b.c.d www3 .coventrybuildingsociety.co.uk
a.b.c.d ww .hsbc.co.uk
a.b.c.d login.ebank.offshore.hsbc.co.je
a.b.c.d ww3 .online-offshore.lloydstsb.com
a.b.c.d ww3 .online-business.lloydstsb.co.uk
a.b.c.d ww3 .online.lloydstsb.co.uk
a.b.c.d ob2.nationet.com
a.b.c.d ww3 .onlinebanking.natwestoffshore.com
a.b.c.d ww1 .nwolb.com
a.b.c.d ww1 .onlinebanking.iombank.com
a.b.c.d ww1 .www .rbsdigital.com
a.b.c.d welcome.smile.co.uk
a.b.c.d login.365online.com
a.b.c.d wvw.citizensbankonline.com
a.b.c.d esecure.regionsnet.com
a.b.c.d rollb.associatedbank.com
a.b.c.d upb.unionplanters.com
a.b.c.d www .onlinebanking.huntington.com
a.b.c.d inet.southtrustonlinebanking.com
a.b.c.d logon.personal.wamu.com
a.b.c.d login.compassweb.com
a.b.c.d logon.firstmeritib.com
a.b.c.d login.ccfcuonline.org
a.b.c.d ww3 .etimebanker.bankofthewest.com
a.b.c.d www .onlinebanking.lasallebank.com
a.b.c.d wvw .totallyfreebanking.com
a.b.c.d www .online.wellsfargo.com
a.b.c.d ww2 .onlinebanking.bankofoklahoma.com
a.b.c.d accounts4.keybank.com
a.b.c.d logon.bankone.com
a.b.c.d www .secure.tdbanknorth.com
a.b.c.d www .secure.mvnt4.com
a.b.c.d ww .mynfbonline.com
a.b.c.d login.forumcuonline.com
a.b.c.d www .eds.usersonlnet.com
a.b.c.d www .onlineid.bankofamerica.com
a.b.c.d wvw .e-gold.com
a.b.c.d pcbs.peoples.com
a.b.c.d www .global1.onlinebank.com
a.b.c.d ww2 .mybranch.lafcu.com
a.b.c.d login.webbanking.comerica.com
a.b.c.d web.banking.firsttennessee.com
a.b.c.d logon.members1st.org
a.b.c.d www .cib.ibanking-services.com
a.b.c.d www .miwebbusbank.ebanking-services.com
a.b.c.d wvw .paypal.com
a.b.c.d www .signin.ebay.com
a.b.c.d www .bvi.bancodevalencia.es
a.b.c.d extrant.banesto.es
a.b.c.d banesnt.banesto.es
a.b.c.d activia.caixagalicia.es
a.b.c.d www .bancae.caixapenedes.com
a.b.c.d login.caixasabadell.net
a.b.c.d oii.cajamadrid.es
a.b.c.d login.cajamar.es
a.b.c.d login.ccm.es
a.b.c.d ww .unicaja.es
a.b.c.d ww .bayernlb.de
a.b.c.d ww2 .berliner-volksbank.de
a.b.c.d ww7 .homebanking-berlin.de
a.b.c.d portal09.commerzbanking.de
a.b.c.d www .onlinebanking.huntington.com
a.b.c.d www .meine.deutsche-bank.de
a.b.c.d ww2 .dresdner-privat.de
a.b.c.d ww .e-banking.helaba.de
a.b.c.d ww .hsh-nordbank.de
a.b.c.d www .my.hypovereinsbank.de
a.b.c.d ww3 .homebanking-berlin.de
a.b.c.d www .banking.lbbw.de
a.b.c.d lrp.sparkasse-banking.de
a.b.c.d ww3 .homebanking-niedersachsen.de
a.b.c.d www .onlinebanking.norisbank.de
a.b.c.d www .banking.postbank.de
a.b.c.d ww .bics.fr
a.b.c.d www .co.caixabank.fr
a.b.c.d ww .creditmutuel.fr
a.b.c.d internetbank.intesabci.it
a.b.c.d ww .extensive.bancalombarda.it
a.b.c.d wvw .csebanking.it
a.b.c.d www .mybank.bybank.it
a.b.c.d ww .isideonline.it
a.b.c.d ww3 .sella.it

All Users:

Please use the following instructions for all supported versions of Windows to remove threats and other potential risks:

1.Disable System Restore .

2.Update to current engine and DAT files for detection and removal.

3.Run a complete system scan.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

1. Please go to the Microsoft Recovery Console and restore a clean MBR.

On windows XP:

Insert the Windows XP CD into the CD-ROM drive and restart the computer.
When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
Select the Windows installation that is compromised and provide the administrator password
Issue 'fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.