Bulgaria:They have gangster style but they are good fellas.The problem is that they look and behave like gangsters so you feel like being ripped off.
Hungary:They are crooks of turkish style.(play ignorance,never give information etc).They will scam you everywhere by exploiting lack of information.
Poland:They are pocket money scammers.Everyone will take from you a bit more(for example the taxi driver will leave his engine on while parking and talking to you,the hotel receptionist will charge you extra without you noticing,the seller will change your currency in lower price than the bank without telling you,the train conductor will ask you to give him some money to avoid penalty etc.This does not bother you because it is not much money they extract so you pretend you do not notice the small theft.
Ukraine
roffessional scammers.In Ukraine you are in real danger especially in tourist heavy places like the airports.The amount of scams they pull on innocent tourists is outrageous.They have a whole method based on creating trust,getting you smoothly into scam and then take your money fast at circumstances where you are blocked and cannot react.They always try to find you off balance when you are too tired or want to leave the country and do not pay attention.To complete their action they always act fast and disarmingly.The whole point is not to fall in the trap.Once they get you into the trap you are finished.
So Bulgaria-harmless gangsters,Hungary-turkish style crooks,Poland-small pocket money thieves,Ukraine-proffessional scammers.
Hungary:They are crooks of turkish style.(play ignorance,never give information etc).They will scam you everywhere by exploiting lack of information.
Poland:They are pocket money scammers.Everyone will take from you a bit more(for example the taxi driver will leave his engine on while parking and talking to you,the hotel receptionist will charge you extra without you noticing,the seller will change your currency in lower price than the bank without telling you,the train conductor will ask you to give him some money to avoid penalty etc.This does not bother you because it is not much money they extract so you pretend you do not notice the small theft.
Ukraine

So Bulgaria-harmless gangsters,Hungary-turkish style crooks,Poland-small pocket money thieves,Ukraine-proffessional scammers.