Complex sentence: In February 2013, a ransomware worm based on the Stamp.EK exploit kit surfaced; the malware was distributed via sites hosted on the project hosting services SourceForge and GitHub that claimed to offer "fake nude pics" of celebrities.
Split into simpler sentences: In February 2013, a ransomware worm based on the Stamp.EK exploit kit surfaced. The malware was distributed via sites hosted on the project hosting services SourceForge and GitHub that claimed to offer "fake nude pics" of celebrities.