There are not 3 connection on my computer, neigther constantly or occasionally pointing on trojans.

Please post details of the hidden connections found, to ensure we can help and track down your problem. Those internet connections you see may caused from software you use, so make sure you shut down all programms, e.g. do not use internet explorer while sniffing for dangerous trojans. If you provide more information, we can help to clean your system:

1. Use an anti virus scanner, e.g. http://www.mcafee.com/
2. Use Adaware http://www.lavasoftusa.com/
3. Copy/paste your netstat output (including IPs/ports/state).

Don't panic, man! Don't spread false rumors!