Trojan:SymbOS/Singlejump.B
Summary
Trojan:SymbOS/Singlejump.B is distributed in a malicious SIS file named 'Metal_gear.sis'. Singlejump.B was formerly named Trojan:SymbOS/Onehop.B, but was renamed to Singlejump.B for more accurate classification.
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:
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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
Execution
When executed, the trojan disables most well known third party file managers and Anti-Virus software. Singlejump.B tries to disable F-Secure Mobile Anti-Virus by replacing its files with non-functional versions. It also installs Bluetooth-Worm:SymbOS/Cabir.G on the phone. Singlejump.B disables the following applications
- Simworks Anti-Virus
- F-Secure Mobile Anti-Virus
- Application installer
- Cabirfix
- Decabir
- F-Cabir
- FExplorer
- File manager
- Smart file manager
- System Explorer
Detection F-Secure Mobile Anti-Virus is capable of detecting Cabir.G contained by Singlejump.B using generic detection. The Anti-Virus will detect the infected SIS file and prevent it from being installed.
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