Exploit:JS/MagnitudeEK.G identifies JavaScript code that redirects users to malicious webpages hosting the Magnitude exploit kit.

Automatic action

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.

Suspect a file is incorrectly detected (a False Positive)?

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 sample

Submit a file or URL for further analysis.

Technical Details

The JavaScript code identified by the Exploit:JS/MagnitudeEK.G detection essentially acts as a redirector, as it routes users to a malicious page that serves as the landing page for an exploit kit under an attacker's control.

Once the user is on the landing page (which is also identified by the Exploit:JS/MagnitudeEK.G detection), they are exposed to the exploit kit, which is a toolkit used by attackers that can probe the user's computer for specific vulnerabilities in the operating system or installed programs. If any are found, the exploit kit tries to exploit it.

Once an exploit kit successfully exploits a vulnerability, it will launch its payload, which usually involves downloading and installing other malware on the affected machine. The installed malware can be any form of malicious program, but is most often a trojan, backdoor or ransomware.

Exploit Prevention

The vulnerabilities leveraged by the exploit kit are usually application or platform specific; in other words, a specific program (or even a specific version of a particular program) must be installed on the machine in order for the exploit to be effective.

To prevent exploitation of such vulnerabilities, please refer to the application vendor for the latest updates and additional advice.