This is a primitive virus, which simply infects programs by overwriting (and destroying) them, but with an interesting twist.
The original virus is LZEXE packed, but this is not simply a method of hiding the first generation sample - the virus maintains the packing in all succeeding generations.
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 scanning & removal options
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.