I don't know what those boosters are, and I'm not repay any "paypal" stuff. I don't work with paypal nor I'm going to allow any kind of deposits.

What I'm going to do is (this isn't 100% sure yet):
Reduce all balances by 50%, pay in 2-4 batches in total per week, so this could take around a month, or less, depending on a few factors on my end.
Reset entire database, allow users to start from 0 again without crazy rewards, deposits and "boosters"