Unix.LoveLetter is the VBS/LoveLetter.A virus that is ported to a generic unix shell script and contains the functionality of the original Windows email worm.
Unix.LoveLetter is not widespread at all.
Information about the original VBS/LoveLetter.A is available at: https://www.F-Secure.com/v-descs/love.shtml
Based on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the detected program or file, or ask you for a desired action.
Find the latest advice in our Community Knowledge Base.
See the manual for your F-Secure product on the Help Center.
Submit a file or URL for further analysis.