Fileless Memory Infection, Macro Malware on the Rise: McAfee Labs

By Sean M. Kerner  |  Posted 2015-12-21

As security and operating system vendors continue to improve defensive technologies to deal with a wide range of attack vectors, there has been somewhat of a shift in the forms of malware that Intel Security is now seeing. Intel Security's McAfee Labs released its November 2015 Threats Report on Dec. 15, detailing the evolving state of the threat landscape during the third quarter of 2015. During the quarter, the total volume of new malware observed by McAfee Labs declined by 4 percent from the second quarter. Specific classes of malware had significantly larger quarterly declines. In particular, new ransomware samples fell 40 percent, while new rootkit malware samples dropped by 65 percent in the third quarter. It's not all good news, though, as new mobile malware samples rose in the third quarter. The McAfee Labs report also highlights the return of an old threat known as macro malware to new prominence in the third quarter. Plus, there is an increasing trend toward fileless malware that infects systems with memory resident code, the report found. In this slide show, eWEEK examines key takeaways from the November 2015 McAfee Labs Threats Report.


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