I still think that a six-digit number is a clue related to Amko. Since an ICQ number with six digits is somewhat unusual/rare and needs to be bought/stolen/found. Of course, it's too simple, but for now, it's all I can suggest. It's worth thinking about it further.
Знание некоторых закономерностей освобождает от изучения многих фактов.
Мечты сбываются рано или поздно, так или иначе.