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A rootkit is a collection of computer software, typically malicious, designed to enable access to a computer or an area of its software that is not otherwise allowed (for example, to an unauthorized user) and often masks its existence or the existence of other software. [1]
The two pieces of copy-protection software at issue in the 2005–2007 scandal were included on over 22 million CDs [7] marketed by Sony BMG, the record company formed by the 2004 merger of Sony and BMG's recorded music divisions.
XCP.Sony.Rootkit loads a system filter driver which intercepts all calls for process, directory or registry listings, even those unrelated to the Sony BMG application. This rootkit driver modifies what information is visible to the operating system in order to cloak the Sony BMG software. This is commonly referred to as rootkit technology.
Malwarebytes Inc. is an American Internet security company that specializes in protecting home computers, smartphones, and companies from malware and other threats. It has offices in Santa Clara, California; Clearwater, Florida; Tallinn, Estonia; Bastia Umbra, Italy; and Cork, Ireland.
Detecting rootkits is a major challenge for anti-virus programs. Rootkits have full administrative access to the computer and are invisible to users and hidden from the list of running processes in the task manager. Rootkits can modify the inner workings of the operating system and tamper with antivirus programs. [147]
The following compact discs, sold by Sony BMG, were shipped with the computer software known as Extended Copy Protection (XCP). [1] As a result, any Microsoft Windows computer that has been used to play these CDs is likely to have had XCP installed. This can cause a number of serious security problems.
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