Accepted 76561197966418367 =O

Victim:
steamID: Kung Yii
steamID32: STEAM_0:1:39223433
steamID64: http://steamcommunity.com/profiles/76561198038712595
customURL: http://steamcommunity.com/id/KungYii1994
steamrepURL: http://steamrep.com/profiles/76561198038712595

Scammer:
steamID: =O
steamID32: STEAM_0:1:3076319
steamID64: http://steamcommunity.com/profiles/76561197966418367
customURL:
steamrepURL: http://steamrep.com/profiles/76561197966418367

Screenshots: 1. http://imgur.com/AFFNx
2. http://imgur.com/B2iwV

Description:
He add me , i post my offer in steamtrade. He have fake reputation , he profile is private and he block me after i get him my game.

Monday, 13 August, 2012
11:51 PM - =O: hi
11:51 PM - Kung Yii: hi
11:51 PM - =O: have something to sell ?
11:51 PM - Kung Yii: payday for awesomenaut
11:52 PM - =O: i got one key of awesomenaut
11:52 PM - =O: want ?
11:52 PM - Kung Yii: how i know it not fake?
11:52 PM - =O: i got rep's
11:52 PM - Kung Yii: you sent me first
11:52 PM - =O: no D: i got more rep than you, sorry
11:53 PM - Kung Yii: or middleman
=O is now Offline.
Your state is set to Offline.
Lost connection to Steam, will rejoin chat automatically when connection regained.
Connected again and rejoined chat.
=O is now Online.
11:55 PM - Kung Yii: how i know key was unused
11:55 PM - =O: i got rep with key trades
11:56 PM - =O: you can see it in my steam profile
11:56 PM - Kung Yii: what if key was activated
11:56 PM - =O: ...
11:56 PM - Kung Yii: you can give back?
11:56 PM - =O: i give other key
11:56 PM - =O: ...
11:56 PM - Kung Yii: link where you buy the key
11:56 PM - Kung Yii: need proof first
11:56 PM - =O: i bought in a real life shop
11:56 PM - =O: ...
11:57 PM - Kung Yii: where is you steamtrade profile?
=O did not respond to the trade request.
11:58 PM - Kung Yii: helo
Tuesday, 14 August, 2012
12:00 AM - Kung Yii: helo you there?
12:01 AM - =O: back, sorry
12:02 AM - Kung Yii: where you steamtrade profile
12:03 AM - =O: i dont use my steamtrade profile
12:03 AM - =O: but you can see my rep's in my stem profile
12:03 AM - Kung Yii: not beta key right?
12:03 AM - =O: correct
12:04 AM - Kung Yii: ok
=O has accepted your request to trade.
12:04 AM - Kung Yii: key?
12:05 AM - Kung Yii: helo
12:05 AM - =O: sec, picking
12:06 AM - Kung Yii: why take so long
=O is now Offline.

My trade history http://imgur.com/B2U3S

Marked- thanks for the report.