There is no virus by this name.
However, it is mentioned in a US Army academic journal:
"...computer virus capable of affecting a person's psyche is Russian Virus 666. It manifests itself in every 25th frame of a visual display, where it produces a combination of colors that allegedly put computer users into a trance. The subconscious perception of the new pattern eventually results in arrhythmia of the heart."
This is nonsense, ignore it.
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.
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