Sophos

Troj/Banker-AN

Aliases
  • TrojanSpy.Win32.Banker.cy
  • PWS-Bancban
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from January 2005 (3.89)
Protection available since 29 November 2004 16:23:46 (GMT)
Detected by All Sophos products

Action

Please follow the instructions for removing Trojans.

Windows NT/2000/XP/2003

In Windows NT/2000/XP/2003 you will also need to edit the following registry entries. The removal of these entries 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 entries:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run
irwftp
iexplorer.exe

HKLM\Software\Microsoft\Windows\CurrentVersion\Run
CARPserver
CARPserver.exe

and delete them if they exist.

Close the registry editor.

More Information

Troj/Banker-AN is a Trojan for the Windows platform that attempts to steal confidential information when a user visits banking-related websites.

Troj/Banker-AN attempts to download the file CARPserver.exe from a predefined remote Brazilian location. When executed Troj/Banker-AN creates Iexplore.exe in the Windows folder sets the following registry entries in order to run automatically when Windows starts up:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run
irwftp
iexplorer.exe

HKLM\Software\Microsoft\Windows\CurrentVersion\Run
CARPserver
CARPserver.exe

Troj/Banker-AN also sets the following registry entries:

HKCU\Software\WinRAR SFX\c%%windows%system
HKCU\irwftp\
HKLM\SOFTWARE\Microsoft\DownloadManager\
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\@

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