Toxbot (also known as Codbot.T) is a botnet client. Once infected with this bot, the machine can be used as a part of botnet to do various tasks on behalf of the botnet owners.
This variant of the Codbot family can be disinfected with the F-BOT tool, available from:
Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.
More information on the scanning and removal options available in your F-Secure product can be found in the Help Center.
You may also refer to the Knowledge Base on the F-Secure Community site for more information.