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1. PAINTBRUSH APP ANY REPORTED MALWARE ANDROID
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London, September 23 rd, 2019 – A weather forecasting app from Chinese company TCL Communications has once again been caught making digital purchases of premium services without the knowledge of the phone’s owner. Upstream works with over 60 mobile operators, across more than 45 high growth markets, leveraging their unique assets to boost and create new revenue streams in the data era.34 million new suspicious transaction attempts in just six months by second time offender

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Upstream’s Zero-D service provides free access to the internet essentials to 250 million mobile users in Latin America and Africa even when they have run out of data. Its pioneering product suite provides 1.2 billion people in developing countries with affordable and secure access to digital services on their mobile devices. Upstream is a London based leading mobile technology company. As instructed by a Command & Control Server In 2018 alone, Upstream processed more than 1.8 billion mobile transactions, identified more than 30 million infected devices, and blocked more than 63,000 malicious apps with Secure-D. Its Secure-D anti-fraud platform uses machine learning algorithms to determine the transactions that are most likely to be fraudulent and uses behavioral patterns to detect anomalies and unwanted transaction patterns.

Upstream works directly with mobile operators to pro-actively safeguard their subscribers against fraud on their mobile devices – and currently protects tens of millions of mobile users worldwide. They should also check their bills for unwanted or unexpected charges for accessing premium data services and to look out for signs of increased data usage which could indicate a malicious app is consuming data in the background. Users should regularly check their phones and remove any reported malware. Upstream is advising all consumers who have downloaded ai.type to check their phones for unusual behavior. Bottom line: innocent users are paying for these hidden, unauthorized purchases and related data consumption whose source is buried in the app.”

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In addition, the SDKs obfuscate the relevant links and download additional code from external sources to complicate detection even from sophisticated analysis techniques. This is committed in the background so that normal users will not realize it is taking place.

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These SDKs navigate to the ads via a series of redirections and automatically perform clicks to trigger the subscriptions.

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Head of Secure-D at Upstream, Dimitris Maniatis, explains more about how the app tricks users: “ai.type contains software development kits (SDKs) with hardcoded links to ads and subscribes users to premium services without their consent. Dressing up to appear as legitimate and often popular applications, undetected malware damages the industry’s reputation, leaving mobile operators and their customers to pick up the tab.” In any given market one in ten devices are infected with malware. “The mobile advertising fraud market is worth some $40bn annually. It seriously impacts consumers’ pockets and mobile service experience by eating up their data, incurring unwanted charges, and affecting the performance of their phones. Upstream CEO, Guy Krief, commented: “Malware can be responsible for creating millions of dollars of fraudulent mobile advertising revenue. It has since remained high, though in lower volumes than during the summer spike. Shortly after the removal from Google Play, in July 2019, suspicious activity spiked exponentially for a two-month period.

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Despite the fact that the app was removed from Google Play in June 2019, the app remains on millions of Android devices and is still available from other Android marketplaces. It is a customizable on-screen keyboard app developed by Israeli firm ai.type LTD, which describes the app as a “Free Emoji Keyboard”.

The suspicious activity has been recorded across 13 countries but was particularly high in Egypt and Brazil.Īi.type is disguised as a free treat for mobile users. If not blocked these transaction requests would have triggered the purchase of premium digital services, potentially costing users up to $18 million in unwanted charges. The Upstream Secure-D mobile security platform has so far detected and blocked more than 14 million suspicious transaction requests from only 110,000 unique devices that downloaded the ai.type keyboard.