Been tested for viruses / adware / spyware?
This is what a typical user-agent looks like: I don’t know if I’m doing the right thing by writing this topic, but I just somehow can’t just sit back, how else can I get this to people?
Mozilla/5.0 (Windows; U; Windows NT 5.1; ru; rv:1.8.1.13) Gecko/20080311 AdCentriaIM/1.7 Firefox/2.0.0.13

Upd. Thanks to zencd for the link to the resource, where you can look at your user-agent
Upd2. And here is a verification picture-script from v_k

Upd3. those who have found this creature - please unsubscribe in the comments, if it’s not difficult for you. The understanding that everything is not in vain is very pleasant. Thanks :)
Upd4. I decided that in each of my topics I would insert a hidden test for this creature.