The is a trojan written for Palm OS operating system. When activated, the trojan hides the installed applications, but it does not destroy the applications themselves.
So even as the applications are not visible at the launcer window, they are still in the device. Which can be seen from the memory info.
Screenshot of the Vapor application:
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.
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On a PC, the Trojan will appear as a file Vapor.prc with a size of 741 bytes.
When a user tries to execute the application, the trojan is activated and modifies the application attributes so that they are hidden from view. So that it appears as if the applications would be deleted.
This file is a trojan, not a virus, so it cannot replicate itself into any other files.
To remove the trojan from the palm device, select the delete option from the app menu (click menu button when on applications screen), and delete the Vapor application.
To remove the trojan from PC, please use F-Secure Anti-Virus.
If you have activated the trojan the application files will be hidden and can be repaired. but easier way recover is to restore the application from backups.