Troj/Bancban-CK

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 for each user who ran the virus. 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.

Each user has a registry area named HKEY_USERS\[code number indicating user]\. For each user locate the entry:

HKU\[code number]\Software\Microsoft\Windows\CurrentVersion\Run\
dark =
<path to the Windows system32 folder>\imgst.scr

and delete it if it exists.

Close the registry editor.

Troj/Bancban-CK is password stealing Trojan targeted at customers of
banks, in particular those based in Brazil.

The Trojan attempts to fetch a keylogging component from a remote website and save it as keylogf.dll in to the Windows system folder.

Troj/Bancban-CK creates the following registry entry in an attempt to have it run on system start up.

HKCU\Software\Microsoft\Windows\CurrentVersion\Run\
dark =
<path to the Windows system32 folder>\imgst.scr