SWFReader reader = new SWFReader("ClientLibCommon.dat");
            foreach (Tag tag in reader.Tags)
            {
                if (tag is DoABC)
                {
                    DoABC abcTag = (DoABC)tag;
                    if (abcTag.Name.Contains("riotgames/platform/gameclient/application/Version"))
                    {
                        var str = System.Text.Encoding.Default.GetString(abcTag.ABCData);
                        //Ugly hack ahead - turn back now! (http://pastebin.com/yz1X4HBg)
                        string[] firstSplit = str.Split((char)6);
                        string[] secondSplit = firstSplit[0].Split((char)19);
                        Client.Version = secondSplit[1];
                    }
                }
            }