I do not want to accuse anyone, but this is what I'm seeing:
USER
shana dancon leydoh abell cerhut harle
| | POSTS
12 12 12 13 12 12
| | DATE REGISTERED
09 June 2013, 06:23:16 09 June 2013, 10:07:00 09 June 2013, 10:08:23 09 June 2013, 10:09:28 09 June 2013, 10:12:14 09 June 2013, 10:13:42
|
..and..they all have the "Satoshi Karoshi" signature.
Is this strange only for me?
I ask that users to explain their position in this situation

This is foul play - disqualify them.
They've done 10 posts for link signatures, 1 post in this thread, then 1 post in the CoinVictory thread...and they all have spam posts.