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Posts Tagged ‘mbr’

In the first days of September a remarkable malware sample fell nto the hands of Doctor Web’s virus analysts. At first it seemed that the malicious program dubbed Trojan.Bioskit.1 carried a standard Trojan horse payload to infect the MBR and download something from the network. However, a more detailed analysis revealed that it also incorporated […]

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A Master Boot Record (MBR) is an area of the hard disk (usually the first sector) used by a computer to perform start up operations. It is one of the first things to be read and executed by the computer hardware when a computer is powered on, even before the operating system itself. As far […]

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The new variant of Bootkit.Trup is making rounds, which is updated to protect the infected MBR. The encryption used in Bootkit.Trup.B is very similar to its old variant “Bootkit.Trup.A” which is simple rotate right (ROR) operation. It gets Drive geometry of the infected disk and then calculates position near end of the partition to store […]

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