A computer malware ransomware worm spread across the world and stopped car factories hospitals...........

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A computer malware (ransomware worm) spread across the world and stopped car factories, hospitals, shops and schools recently. The malware is dubbed :

Red hat

Melissa

WannaCry

Code Red

Explanation:

A computer malware (ransomware worm) spread across the world and stopped car factories, hospitals, shops and schools recently. The malware is dubbed WannaCry.