Sophos

Troj/Banker-BN

Aliases
  • Trojan-Spy.Win32.Banker.ka
  • TROJ_BANKER.GO
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from May 2005 (3.93)
Protection available since 15 March 2005 09:12:53 (GMT)
Detected by All Sophos products

Action

Please follow the instructions for removing Trojans.

Change any data that may have become compromised.

Windows NT/2000/XP/2003

In Windows NT/2000/XP/2003 you will also need to edit the following registry entry. The removal of this entry is optional in Windows 95/98/Me. Please read the warning about editing the registry.

At the taskbar, click Start|Run. Type 'Regedit' and press Return. The registry editor opens.

Before you edit the registry, you should make a backup. On the 'Registry' menu, click 'Export Registry File'. In the 'Export range' panel, click 'All', then save your registry as Backup.

Locate the HKEY_LOCAL_MACHINE entry:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run
RunWin
<path to Trojan>

and delete it if it exists.

Close the registry editor.

More Information

Troj/Banker-BN is a password stealing Trojan aimed at customers of a Brazilian bank.

When run the Trojan will create the following registry entry so as to auto-run:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run
RunWin
<path to Trojan>

Troj/Banker-BN will monitor a user's internet access. When certain internet banking sites are visited, the Trojan will display a fake login screen in order to trick the user into inputting their details. The Trojan will monitor for URLS containing the following string:

BancoBrasil\officeIE\index.html

Troj/Banker-BN will then send the stolen details to an anonymous email address.

RSS|Atom
Get reports about the latest virus and spyware threats delivered to your computer