Does peer-reviewing for journals/conferences which advertise to attract reviewers; harm one's academic reputation? I always thought that the way journals elect their reviewers is that probably they or their editors ask some famous researchers to review some of their papers. I mean, reviewers are probably asked to review papers.

Recently, I have seen some journals and publishers which advertise on their websites saying something like


  If you want to be a reviewer for our journal/conference, please send your CV to our email address; we will assess your background and if you are accepted, we will inform you where to start reviewing our papers.


This is very good opportunity for students who are not very famous in their field and want to start reviewing for journals and conferences to send their CV and assess their opportunity to review for a journal or conference; but I want to know if somebody does reviewing for these journals which have such system for attracting reviewers, and mentioning involving in such volunteer paper reviewing in his CV; will this harm his academic reputation?

Is it acceptable for academic community that somebody send his CV for a journal and ask them to accept him as a reviewer? How such advertisement on a journals website is considered? Do reputable journals and publishers have similar advertisements for attracting reviewers to their publication group and can such advertisements be considered a sign of a non-reputable journal/conference?
I am hard-pressed to imagine a situation in which reviewing would hurt your reputation. It does pay, as your question hints, to check up on the journal you'd be reviewing for to be sure it isn't scammy, but asking for reviewers isn't much indication one way or the other -- almost every journal needs a stable of willing reviewers, and what harm does asking do?

Yes, editors do choose reviewers for a given paper as carefully as we can, but we mostly haven't the luxury of "who's the most famous person working in this area?" because Most Famous Person is swamped. So we keep a stable of folks who have signed up with us, and we look through it for potential reviewers.