Any process that activates or increases the frequency, rate or extent of endoribonuclease activity.
Synonyms:
exact_synonym:
up regulation of endoribonuclease activity; upregulation of endoribonuclease activity
narrow_synonym:
activation of endoribonuclease activity
related_synonym:
activation of endonuclease G activity; positive regulation of endonuclease G activity; up regulation of endonuclease G activity; upregulation of endonuclease G activity