What is it?
Trojan.Cargao.Bappconn32.exe

What does it do?
Trojan.Cargao.B is a Trojan horse program that sends an email to all the addresses that it finds in the Microsoft Outlook address book. It also downloads and runs executable files from the Internet.

Creates the following file:

C:ARQUIVOS DE PROGRAMASARQUIVOS COMUNSappconn32.exe

Note: This file is usually 126,464 bytes in size, but due to a bug in the code, the file may expand to fill the hard disk.

Removal Instructions:
Full dirt @ Symantec