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MalwareWiki

Malware

MBRlock

aka DexLocker

This ransomware modifies the master boot record of the victim's computer so that it shows a ransom note before Windows starts.

MBRlock, also known as DexLocker, is a Windows malware family.

Background

This ransomware tampers with the master boot record of the infected machine, displaying a ransom note before Windows is able to load.

Source: Malpedia (Fraunhofer FKIE).