I can confirm this guy is trying to scam people. He adds random users without considering what they are looking for, their Steam region.... and then...
I don't know how he got a Russian copy (he seems German according to his profile), but that isn't a region locked copy, is just a different version...
He is impersonating another user: http://steamcommunity.com/id/alonhq/ http://steamcommunity.com/id/alonhp/
This is a hijacked account.
I don't think you should speaking about the case, maybe I neither, but at least I haven't any of the 3-4 presumed victims of this guy in my steam...
...and here as well.
I suspect he/she is a scammer (see for example here), but you have to do what admins and support stuff ask you in order to get him banned.
76561198014653770 and the reported guy have added me as friend at the same time as well. Ignoring them. Anyway I don't understand how you can trust...
He just offered me your Castle Crashers, I'm sorry for you friend and I won't trade with him. Next time don't trade with steam profile like this.
He added a +rep comment to a confirmed scammer: "dealed via paypal, went first +rep". Maybe that is an alternate account.
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