The BitDefender Virus Analyse Team has releasead a free removal tool for this particular virus.
Important: You will have to close all applications before running the tool (including the antivirus shields) and to restart the computer afterwards. Additionally you'll have to manually delete the infected files located in archives and the infected messages from your mail client.
The BitDefender AntiBride.exe tool does the following:
it detects all the known versions of Bride;
it deletes the files infected with Bride;
it kills the process from memory;
You may also need to restore the affected files.
For preventing this virus to use the IFRAME
exploit apply the patch
for Internet Explorer 5.0 and 5.5.