Skulls.O is an edited version of Skulls.D SIS file trojan, it disables built in applications and third party applications when installed on the device.
In addition of files from Skulls.D, Skulls.O drops file from Fontal.A and Commwarrior.B on the device.
The Fontal.A is installed in directory where the file does not cause harm to the system.
For more details please see description of Skulls.D
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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