Threat found in my website

[stergchaid 0]

Threat found
    This web page may contain dangerous content that can provide remote access to an infected device, leak sensitive data from the device or harm the targeted device.
    Threat: JS/Spy.Banker.LQ trojan
    Access to the web page has been blocked. Your computer is safe.

How to clean this?

Thank you

[Marcos 5,074]

What website is it? However, even if we tell you the code to search for, it may be encrypted on your website so you may not be able to find it by the string we would provide.

[stergchaid 0]

lightmobile.gr

WooCommerce site

[Marcos 5,074]

The malicious JS is indeed there: