BitDefender has released signatures and a free removal tool to protect its customers against a new piece of backdoor that overwrites the Master Boot Record of the local hard-disk drive, thus preventing Windows from starting up.
Identified by BitDefender as Backdoor.Yonsole, the e-threat was spotted on Saturday, June 19. It comes bundled with various applications, including
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Abstract
Zimuse is a family of worms that performs destructive overwrites of the Master Boot Record of disk drives on the infected system. If the current system date and time matches certain conditions, the worm overwrites the Master Boot Record of available drives with its own data. The worm will also try to delete some of
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The worm Zimuse is overwriting the master boot record from the hard disk so that the system won’t start anymore
Tettang, 26 January 2010 – Cybercriminals spread the malware “Zimuse” via compromised web sites, for example as alleged “IQ-Test” programs. It deletes important sections of the hard disk so that the operating system cannot start.
By overwriting
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BitDefender®, an award-winning provider of innovative anti-malware security solutions, today identified a new e-threat that combines the destructive behavior of a virus with the spreading mechanisms of a worm. There are two known variants of this virus, which enters the computer as a harmless IQ test.
Once executed, the worm creates between seven and eleven
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