I am embarrassed.
I got fooled. I admit. Fortunately, it did not do too much harm. To anyone, my BTC included.
Crap, how stupid I've been. It's a really good lesson for the future
Now I understand all of this, how he got my account credentials etc.. it turns out it is not the first and only phishing link I got.
I got one before all of that happened, from the guy called "housebtc". And I had to click it and provide my login details in it. HOLY SHITTT!!!
Honestly, I'm on my knees now.
All I can do is apologize to you OgNasty - please understand that this guy had actually got a big advantage over me - as he had control of my account all the time, lol, what is more I am pretty new to the forum, so I believed in this "private messages" thing where I get the message from myself to myself.

Fortunately, only like 7$ BTC loss over there.

And priceless lesson for me.

Right OgNasty, all I can do is apologize for my stupidity. However, as I say, he had control of my account. All of that crap WAS NOT me and I made sure my account is secure now.

We all make mistakes and I think the most important thing is to learn from them.
If there is anything I can do to make it up somehow, let me know please. Will gladly do so, OgNasty.

I cannot believe all this yet...    guess I gotta hit my bed and get back to this tomorrow morning.

WHAT A PRECIOUS LESSON GUYS!!

Here is the private message from housebtc:
https://imgur.com/a/PuRpoNY
FML.