for that type of effect think of bad time stretching. Infact listening to the song it really sounds like some very simple sample manipulation.
exagerated example:
Think of a sample, short say 1 bar, stretch it out so that it lasts for 4 bars the sounds will stretch out and will leave gaps in between and will sound really low in pitch. now adjust the pitch increase by say +24 semitones for this example and it will have the same pitch as before you stretched it, but now it will sound really gated.
This is a really old technique and was a problem that has been overcome by new timestretching algorithms so go old school.
I have a es-1 from korg that allows me to do this really easily. Sorry I can't tell you more for now but I'll try and look in to it.
the 1-4 ratio goes with the +24 increase in pitch, 1-2 goes with +12, and so on.
I used this technique to show a mate of mine years ago, so I know exactly what it is
A suitable vst would timestretch and not compensate pitch and, you'd need to adjust the pitch without adjusting the time stretch.
I'll look at the settings on my korg in the morning and tell you the proper name and may even do an example.
Kris