After years of silence, WAP-billing trojans are making a comeback, with four new strains becoming active in the second quarter of 2017, targeting Russia and India primarily.
The four wave of trojans — Ubsod, Xafekopy, Autosus, and Podec — were discovered by Kaspersky Lab mobile security expert Roman Unuchek while gathering information for the company’s IT Threat Evolution Q2 2017 report. Unuchek says he was aware that different cyber-crime groups were developing mobile trojans with the ability to perform covert WAP billing operations since the end of 2016, but he wasn’t expecting these tools to be deployed and featured so heavily in active campaigns.
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ORIGINAL SOURCE: BleepingComputer