Pre-installed malware that signs mobile users up for subscription services without their permission has been discovered on thousands of low-cost smartphones from the Chinese manufacturer Transsion. The discovery was made by Upstream’s anti-fraud platform Secure-D whose researchers conducted a full investigation into the origin of the suspicious transactions detected by its platform. Beginning in March of last year, the firm discovered and blocked an unusually large number of transactions originating from Transsion Tecno W3 handsets in Ethiopia, Cameroon, Egypt, Ghana and South Africa with additional fraudulent mobile transactions detected in another 14 countries.
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