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By default, the Windows Firewall, that Windows XP Service Pack 2 (SP2) includes, is disabled by a Group Policy setting in all Windows Small Business Server 2003 networks. To enable the Windows Firewall on computers running Windows XP SP2, install this QFE on the computer running Windows Small Business Server 2003.

Features:

• This update enables and configures the Windows Firewall in Windows XP Service Pack 2 on Windows Small Business Server 2003 networks.

Download: Update for Windows Small Business Server 2003: KB 872769
News source: Microsoft Download Center

According to information received by the Kaspersky Virus Lab, Brador was probably written by a Russian virus coder. The Trojan was attached to an email with a Russian sender and Russian text inside. The author was offering to sell the client part for the Trojan to all interested parties, which means that there is a real chance that the backdoor may be bought by somebody who will use it commercially (bot network creation, for instance).

"PDA users face a real danger and we can be sure that the computer underground will snatch at the chance to attack PDAs and mobile phones in the nearest future," added Eugene Kaspersky, "malware development for mobiles is passing through the same stages as malware for desktops: we will probably see a serious outbreak of viruses for handhelds sometime soon."

Kaspersky Labs has already updated the antivirus databases with protection against Brador. A detailed description of Brador is available in the Kaspersky Virus Encyclopedia.