This type of trojan contains one or more malicious programs, which it will secretly install and execute.
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.
Trojan-Dropper:W32/Agent is a very large family of programs, most of which drop, install and execute other programs (usually malware) to the victim's machine.
Variants in the Trojan-Dropper:W32/Agent family vary widely in their characteristics and payloads. For representative examples of variants in this family, please see the following descriptions:
Trojan-Dropper:W32/Agent is a subset of the "Agent" family, which groups together a wide variety of malware that do not fit into any other known families. The Agent family includes trojans, worms, viruses, backdoors and other types of malicious programs.
For representative examples of these other subsets, you can also see: