Summary

Summary
Action
More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Included in our products from | February 2005 (3.90) |
| Protection available since | 10 January 2005 13:30:37 (GMT) |
| Detected by | All Sophos products |
Action

Summary
Action
More Information
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\
FirewallActivies =
%System%\3041\csrss.exe
and delete it if it exists.
Close the registry editor.
More Information
Troj/Banker-AQ is a password stealing Trojan targeted at Brazilian online financial service users.
Troj/Banker-AQ will monitor a user's internet access. When certain preconfigured sites are visited the Trojan will log keypresses in an attempt to steal confidential login details.
Troj/Banker-AQ copies itself to a new folder under the Windows system folder and sets the following registry entry to run itself when the user logs on to the infected computer:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
FirewallActivies =
%System%\3041\csrss.exe
Troj/Banker-AQ also attempts to terminate Norton Anti-virus.
