PDF7OJPG_S37UP is a software product for Windows developed by Safe Download-pdftojpg_setup
It is reported that the following Windows processes are part of PDF7OJPG_S37UP:
If you want to remove PDF7OJPG_S37UP from your computer, just go to Start > Control Panel > Add/Remove programs and select PDF7OJPG_S37UP from the list of programs.