World’s biggest botnet has sent 12.5 million ransomware emails

Millions of computers are at risk of infection by a virulent spam attack that threatens to destroy your files, unless you pay a Bitcoin ransom.

The Scarab malware is being distributed by Necurs, the internet’s largest email spam botnet, which has been used in a number of previous online onslaughts.

Within the first six hours of the attack 12.5 million emails had been distributed, with more than two million messages being sent out per hour at its height.

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