Static elictricity on MacBook Pro Retina's body disrupts use while charging, any way to ground it?

Hi, I have this old MacBook Pro Retina I got a couple years ago, and part of its original charging kit's wires gave up right next to the MagSafe2 plug, so I purchased a new power adapter, and it appears to not be grounded at all.
When the notebook is charging, static on its metal body is so strong it completely disrupts any work. I cannot use trackpad almost at all, it won't register taps and the coursor is jumping all over the screen even if I don't move my finger at all. To use the notebook I have to keep one of my palms on the metal part of it, and even then after a while my fingers get a little burned on the trackpad, which is inconvenient to say the least.
Anyone have any ideas, how can I can fix this or at least reduce the effects?
I'm in Russia, it's 220v here, power outlets with 2 plugs (no 3rd metal one for grounding).
I've read a bunch of articles about grounding outlets, but they all suggest to bury a metal cable into some soil, which is not possible as I live on 21st floor.
I figured it's the new power adapter's fault, because the old one doesn't act up like that (but I am reluctant to keep using it because its inner metal wiring in places is not covered by plastic anymore, and I fear it might cause a short circuit or something).
When I purchased the new adapter, I was assured it's completely original, but now I suspect it might be a counterfeit, so I would just have purchased another new one, but kinda afraid it will not be original too and will cause the same problems.

It keeps the green light on for a while after I unplug it from the notebook. The scratched part is extension from the old adapter.

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