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Trojan:W32/Bedep engages in advertising fraud by forcing the affected device to visit unsolicited websites. These sites typically generate profit from displaying advertising content, which increases with a higher volume of web traffic.


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 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

Trojan:W32/Bedep is distributed as part of the payload of exploit kits.

Once installed on a device, Bedep creates a hidden virtual desktop that hosts an instance of the Internet Explorer web browser. It then uses this instance to quietly browse websites and generate fraudulent web traffic, without the user's knowledge.

Bedep is also capable of downloading additional malware onto the user's machine.