SDropper
Summary
This family of trojans drops files from the SymbOS/Skulls family. Members of the SDropper family have no additional interesting functionality apart from dropping and installing an embedded Skulls SIS file along with some additional non-malware software.
Removal
Please see the instructions below for F-Secure's F-Skulls tool. The tool will help in removing the Skulls files that were dropped by the member of the SDropper family.
Disinfection with two Series 60 phones
Use F-Skulls to allow for installation of F-Secure Mobile Anti-Virus
Download F-Skulls tool from ftp://ftp.f-secure.com/anti-virus/tools/f-skulls.zip or directly to a clean phone from https://www.f-secure.com/tools/f-skulls.sis
Install F-Secure Mobile Anti-Virus
- Install F-Skulls.sis onto the infected phone's memory card with a clean phone
- Put the memory card with the F-Skulls tool into the infected phone
- Start up the infected phone and the application installer should now work
- Go to the application manager and uninstall the SIS file in which you installed the malware
- Download F-Secure Mobile Security and activate it
- Scan the phone and remove any remaining components of the malware
- Remove the F-Skulls tool with the application manager as the phone should now be clean
A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:
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Check for the latest database updates
First check if your F-Secure security program is using the latest updates, then try scanning the file again.
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Submit a sample
After checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.
Note: If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.
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Exclude a file from further scanning
If you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.
Note: You need administrative rights to change the settings.
Technical Details
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