ZeroAccess is a sophisticated kernel-mode rootkit that is quickly becoming one of the most widespread malware threats.In a new technical paper from SophosLabs, malware researcher James Wyke explores the ZeroAccess threat, examines how it works and looks at what the malware's ultimate goal is.ZeroAccess has a resilient peer-to-peer command and control infrastructure, runs on both 32-bit and 64-bit versions of Windows, and has been constantly updated with new functionality, allowing it to thrive on modern networks and operating systems.From the distribution mechanisms used to spread it, through the installation procedure, memory residence and payload, the technical paper offers a deep...