This story was originally published and last updated .
Earlier this year, a story made the rounds about a new kind of malware afflicting Android handsets. But it was this malware's pernicious nature that really made headlines, as it could even survive complete factory resets on afflicted phones. This insidious malware was named xHelper. At the time, we didn't know how it managed this impressive (but scary) achievement, but security researchers at Kaspersky have since dug into its inner workings, revealing an incredibly sophisticated system that installs itself to an Android phone's system partition, and even changes how the system works to prevent it from being "easily" removed.Read More