Files detected as HTML/Postcard.N@troj are EML files that state that the recipient has received a greeting card.
The recipient is encouraged to click on a link or to visit a website and enter their eCard number to view the message.
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.
Files that are detected as HTML/Postcard.N@troj are EML files that state that the recipient has received a greeting card from a friend, relative, or classmate. The recipient is encouraged to click on a link or to visit a website and enter their eCard number to view the message.
When the user click this link, another page will appear stating that a new browser feature is currently being tested. The recipient is asked to click another link pointing to a file, usually named ECARD.EXE. We are detecting these files as Email-Worm.Win32.Zhelatin.
An example message: