A Chinese malware operation is currently building a massive botnet of nearly 5 million Android smartphones using a strain of malware named RottenSys.
In its current form, RottenSys is being used to aggressively display ads on users' devices, but researchers from security firm Check Point have found evidence that crooks are deploying a new Lua-written module for gathering all infected handsets into a giant botnet.
"This botnet will have extensive capabilities including silently installing additional apps and UI automation," researchers said, fearing that crooks may get brazen and abuse RottenSys for something more intrusive and damaging to the user, rather than just displaying ads on his screen.
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