A generic detection has identified a program or file that has features or behaviors similar to a trojan-downloader.
Security programs use generic detections that look for broad patterns of code or behavior to identify similar programs or files. If you suspect the file was incorrectly detected, go to: Removal: Suspect a file is incorrectly detected (a False Positive)?.
Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
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 detection database 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.
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Submit a file or URL for further analysis.
A trojan-downloader is a type of trojan that installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional programs (usually malware) onto the infected computer.
Attackers often distribute trojan-downloaders as part of the payload of another harmful program, such as a trojan-dropper, which silently drops and installs the trojan-downloader on a device.
They may also be distributed as disguised files attached to emails. In these cases, the attackers rely on social engineering to trick users into opening the attached files, which then silently installs the trojan-downloader.
Once a trojan-downloader has been installed on a machine, it will try to contact a remove server or website, where it can either directly fetch additional files for download, or find further instructions from the attackers on where to find the files.