Sophos

Troj/Bancban-CX

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

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from July 2005 (3.95)
Protection available since 25 May 2005 00:58:09 (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
<Original file name>
<System>\svchost.scr

and delete it if it exists.

Close the registry editor.

More Information

Troj/Bancban-CX is a password-stealing Trojan targeted at customers of certain Brazilian banks.

The Trojan attempts to log keypresses entered into certain websites. The Trojan displays fake user interfaces in order to persuade the user to enter confidential details. Stolen information is sent by email to a remote user.

Troj/Bancban-CX copies itself as svchost.scr to the Windows system folder and creates the following registry entry in order to run itself on system startup:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run
<Original file name>
<System>\svchost.scr

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