Summary
Drever.B is a malicious SIS file trojan that disables the automatic startup from Simworks Symbian Anti-Virus software.
Drever.B does not affect F-Secure Mobile Anti-Virus.
Removal
Drever.B can be disinfected easily by using F-Secure Mobile Anti-Virus available from https://www.f-secure.com/estore/avmobile.shtml
Or you can uninstall it by uninstalling the SIS file in which Drever.C was installed from using application manager
1. Open the application manager
2. Uninstall Simworks_update.sis
3. Re-install your Anti-Virus
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:
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.
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.
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
Spreading in: Simworks_update.sis
Payload
Drever.B drops non-functional copy of the bootloader used by Simworks Symbian Anti-Virus. This non-functional copy overwrites the original file, causing target software not to load automatically when the phone boots.
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