Mobile & Tablet Android Version Market Share Viet Nam


Android malware continues to lớn target Smartphone devices around the world. According to lớn ESET Research, India & Vietphái mạnh are ranked ahy vọng the top five countries globally to be hit by Android/FakeAdBlocker malware. Apart from that, Vietnam is the country with the most apk malware attacks in the Asia Pacific (APAC) region.

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With a population of 1.36 billion people, India is estimated to lớn have sầu over 760 million smartphone users in 2021. While iOS (Apple operating system) devices are available in the subcontinent, Android OS dominates the industry, making up 95.79% of the users. The affordability of Android điện thoại phones, especially through locally made Indian phone models makes it easier for anyone in the country to lớn own a smartphone today.


Jamilah Lim | 23 September, 2021

Vietphái mạnh has one of the fastest-growing economies in the ASEAN region. With fast growth, increased tech usage has also seen more sản phẩm điện thoại devices enter the market. There are 61.3 million smartphones in Vietnam, making the country aước ao the trang đầu users of smartphones after Trung Quốc, India, Indonesia, và Japan.

As such, the increased penetration of mobile devices also leads to lớn increasing cybersecurity concerns. điện thoại devices are vulnerable to lớn cyberattacks & continue to be targeted by cybercriminals, và can be easily affected by malware via apps, emails, and even text messages.

Trojan Android malware invites financial ruin

Android/FakeAdBlocker is an extremely stealthy trojan. Masquerading as an ad blocker for Android Smartphone devices, it installs adware and possibly other malware when users looking for a legitimate adblocker install them from third-buổi tiệc ngọt sites or tiện ích stores.

The malware usually hides its launcher inhỏ after the initial launch. Not only does it deliver unwanted scareware or adult-nội dung advertisements, but it also creates spam events for upcoming months in iOS & Android calendars. These ads often cost victims money by sending premium-rate SMS messages, subscribing lớn unnecessary services, or downloading Android banking trojans, SMS Trojans, & malicious applications. The malware also uses URL shortener services khổng lồ create link lớn ads, which in some cases monetize their clicks.

“Based on our telemetry, it appears that many users tover khổng lồ tải về Android apps from outside the Google Play store, which might lead them to tải về malicious apps delivered through aggressive advertising practices that are used to generate revenue for their authors,” explains ESET researcher Lukáš Štefanko, who analyzed Android/FakeAdBlocker.

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Commenting on the monetization of the shortened URL link, Lukáš adds, “When someone clicks on such a link, an advertisement will be displayed that will generate revenue for the person who generated the shortened URL. The problem is that some of these liên kết shortener services use aggressive advertising techniques such as scareware ads informing users their devices are infected with dangerous malware.”

The concern is greater for users of Android devices. Scam websites may provide malicious apps to download from outside the Google Play store. For example, the trang web requests khổng lồ tải về an application called “AdBlock,” which has nothing to lớn bởi with the legitimate application and indeed does the opposite of blocking ads. Instead, a scareware advertisement, or the Android/FakeAdBlocker trojan, is delivered via a URL shortener service.


Top 10 countries with Android/FakeAdBlocker detections (January 1, 2021 – June 1, 2021) Source: ESET Research

Cybercriminals target vulnerable communities

According to lớn McAfee Advanced Threats Research’s Smartphone Threat Report 2021, hackers are also using giả apps & hiding malware & malicious links inside giả covid-19 vaccination appointments & registration display ads.

When victims click on these liên kết and ads, they kết thúc up having malware downloaded onto their devices. The malware may activate accessibility features to give sầu the hackers full device control, which can allow them lớn steal banking details & credentials.

In India, McAfee researchers also found evidence of an SMS worm targeting Indian consumers. This is believed khổng lồ be one of the earliest organized vaccine fraud cyberattachồng campaigns, where both SMS và Whatsapp messages encouraged users lớn download a vaccine app. Once downloaded, the malware in the app will continue khổng lồ display unwanted & fraudulent ads khổng lồ users and sover itself khổng lồ everyone in the victim’s contact list.

In a large country like India, where access khổng lồ vaccination is an issue, many are desperate lớn get appointments, making them particularly susceptible lớn cyberattacks.

In 20trăng tròn, Vietnam giới recorded a US$400 million increase in investments, proving well that the nation could rival Indonesia as Southeast Asia’s growth market for tech investments. As such, cybersecurity is also becoming more important in the country with more businesses increasing their security investment.

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While malware lượt thích Android/FakeAdBlocker continues lớn be a growing concern in both these countries, businesses and users can take the necessary steps in securing their devices. Comtháng security practices should be enforced including downloading software from reliable sources only & not simply clicking on liên kết.