Summary
Trojan:SymbOS/AppDisabler is a family of malicious SIS file trojans, which attempt to disable a number of Symbian OS system and third party applications.
Removal
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
In addition to disabling applications, some AppDisabler variants replace the phone operator logo and background image. Other variants will drop additional malware on the system.
Some Appdisabler variants are nonfunctional; due to a bug or implementation error, they do not run as intended.
Execution
When installing itself AppDisabler replaces the main executable of several system and third party applications by overwriting their main executable file. These files must be reinstalled to repair the damage.
Variant
Listed below are some representative examples of Appdisabler variants:
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