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Category: Malware

Type: Trojan

Platform: SymbOS

Aliases: Skulls.R, SymbOS/Skulls.R


Skulls.R is a combination of several previous Skulls variants. Skulls.R contains component files from Skulls.A and Skulls.B. Skulls.R also drops SymbOS/Mabir.A in to the device.


Disinfection with two Series 60 phones

Download F-Skulls tool from our FTP server to your computer or to a clean phone, then:

  • 1. Install F-Skulls.sis into infected phones memory card with a clean phone
  • 2. Put the memory card with F-Skulls into infected phone
  • 3. The F-Skulls starts automatically upon insertion and frees menu and application manager
  • 4. Go to application manager and uninstall the SIS file in which you installed the Skulls.R
  • 5. Download and install F-Secure Mobile Security to remove other malware dropped by the Skulls.R, or download directly onto the mobile phone itself
  • 6. Remove the F-Skulls with application manager as the phone is now cleaned
Knowledge Base

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About the product

See the manual for your F-Secure product on the Help Center.

Contact Support

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Submit a sample

Submit a file or URL for further analysis.

Technical Details

Spreading in: Excellent_Theme_2005.sis