BuzzFeed News has previously revealed ad fraud and other malicious behavior in apps from major Chinese developers Cheetah Mobile, DO Global, and Kika Tech. These findings are yet another example of a Chinese app allegedly committing ad fraud and abusing user permissions and data at a global scale. “Overall, UC always seeks to provide a safe, secure and enjoyable user experience and has stringent rules and regulations in place to ensure that is the case.” On that basis, it is impossible for us to evaluate their assumptions,” the statement said. “To date, Upstream has not contacted us or supplied us with the information upon which they are making their claims. The UCWeb spokesperson said in an emailed statement that the company can’t respond without seeing more details and data. “We saw some first small volumes of suspicious transaction requests in October 2017 and it progressively ramped up until April 2018 when it then started being at a different scale,” he said. Though it’s unclear exactly who owns and operates VidMate now, Krief said his company began blocking suspicious transactions from VidMate long before UCWeb sold the app. Granger did not reply to follow-up questions about the Twitter account, or ones that asked for the names of Nemo Fish/VidMate executives and funders. That VidMate spokesperson’s email account used the name Alice Granger, which is also the username of a Twitter account that sent thousands of spam replies to people in 2015 suggesting they download VidMate. A second VidMate spokesperson later contacted Buzzfeed News by email to repeat much of what Chen said, while also questioning Upstream’s methodology and findings. We are not involved in any of Vidmate’s operations,” said an emailed statement from a UCWeb spokesperson.Ĭhen described Nemo Fish as a startup but declined to name its executives or shareholders during an interview, and did not respond to follow-up questions. “Since our divestment early last year, we’ve maintained a business collaboration with Vidmate, just as we have with other apps that we are working with. They said the companies maintain a business relationship but are separate. UCWeb and VidMate both told BuzzFeed News the app and its trademarks were sold to a new entity, Guangzhou Nemo Fish Technology Co., in 2018. “No only do we not program such practices into our core app, we have a zero-tolerance policy because it is in VidMate’s interest to protect our users against such detrimental practices,” he said.Ĭhen said VidMate already terminated its relationship with one partner implicated in the Upstream report, and continues to investigate. VidMate was developed and owned by UCWeb, a subsidiary of Alibaba, prior to being sold off last year.Ī VidMate spokesperson who used the name Jiatao Chen on Skype told BuzzFeed News it takes the findings by Upstream seriously and blamed any alleged suspicious behavior on third-party software development kits (SDKs) and partners. Upstream said it began blocking these transactions as early as 2017 and saw their volume dramatically increase late last year. Over the past six months Upstream blocked more than 128 million “suspicious” transactions by the VidMate app that could have cost users in Egypt, Brazil, Myanmar, and elsewhere more than $150 million in unwanted, unauthorized mobile subscriptions, according to the company. (The alleged ad fraud occurs in VidMate when it displays ads that users can’t actually see.) "The phone and its connection become part of a botnet and are used to commit ad fraud, at the expense of its owner. Guy Krief, the CEO of Upstream, said users who download and open VidMate “surrender control of their phone and personal information to a third party." He also declined to provide basic information such as the names of VidMate executives and funders, and did not respond to follow-up questions, including a request to confirm his name and title. Researchers at Upstream say VidMate subjects its users to a range of suspicious behavior that could be costing them money, draining their phone batteries, and exposing their personal information.ĭuring a Skype interview, a VidMate spokesperson denied that the app knowingly engages in suspicious activity, and said it is investigating. VidMate has been displaying hidden ads, secretly subscribing people to paid services, and draining users’ mobile data, according to findings from security researchers at a London-based mobile technology firm. This functionality made VidMate, which has ties to Chinese tech giant Alibaba, hugely popular in countries such as India where streaming mobile video can be expensive or at times unreliable.īut it appears that convenience still comes at a high cost for users. More than half a billion people have installed VidMate, an Android app that enables them to download videos from YouTube, WhatsApp, and other platforms.
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