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The National Security Bureau is a fake law enforcement agency used in a ransomware called Endermach@Polyransom. The agency say that your computer happened to be blocked due to crimes such as pirating, as well as others. The agency demands you to pay an existing fine that costs $150 in a hard-to-trace cryptocurrency called bitcoin. On the possibility that you don't pay, you are going to lose everything, such as your files, programs, folders, etc.
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