Troj/Bancban-BG is a password-stealing Trojan targeted at users of the following Brazilian banking websites:
Banco do Brasil
Banco Bradesco
Caixa Economica
Banco ITAU
Troj/Bancban-BG attempts to log keypresses entered into these banking 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 predetermined address.
Troj/Bancban-BG creates the following registry entry to ensure that the Trojan is run each time a user logs on to the infected computer:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
msn =
<path to Trojan>