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  • Experts criticized antivirus for Android


    Priyanka

    The company AV-Comparatives, where since 2017 engaged in the search for unscrupulous antivirus for Android, published the results of a large-scale study on security. Experts analyzed 250 popular applications from Google Play, the developers of which promise users of gadgets reliable protection. The test results were very disappointing.

    antivirus for Android

    To check the selected 250 antivirus, 100 "clean" APK-files and 2000 infected. In total, more than 500,000 test scans were conducted. During the experiment, experts installed anti-viruses on smartphones, which automatically launched the browser and downloaded infected applications. It is important to note that only widely known viruses detected last year were used — antivirus developers should have known about them. In practice, it turned out that only 80 of the tested applications were able to fix a little more than 30% of infected APK-files and had no false positives. Only 23 anti-viruses managed to detect all threats correctly-mainly products of well-known developers in the field of cybersecurity, such as Avast, Bitdefender, ESET, Kaspersky Lab, McAfee, Sophos, Trend Micro, Trustwave and others.

    Antivirus software from 138 different developers found less than 30% of malicious applications and often called viruses popular programs from Google Play.

    Quote

    "We consider such antiviruses to be risky, i.e. inefficient or unreliable. In some cases, applications are just buggy, for example, because developers have poorly implemented a third-party engine. Others show only a few very old malware samples for Android and miss any infected application that contains specific lines of code, allowing them to pass a quick test for acceptance into the app stores," — noted the staff of AV-Comparatives.

     

    anti-virus2.jpg

    According to experts, most of the antivirus software for Android is developed either by Amateurs or by companies that simply do not focus on the safety of users. Among the latter-the authors of applications for advertising/monetization or just want to have in the portfolio of the program to protect Android. The work of fans can be calculated in Google Play by contacts with the authors. As a rule, they do not provide a website address, and as an email address (usually Gmail, Yahoo, etc.) use personally. In addition, most of these applications do not have a privacy policy.

    Some anti-viruses, instead of checking the code, simply check the applications against their database, which is why many secure applications are designated as malicious, and Vice versa. The most interesting thing is that some antiviruses consider themselves a threat. And some, instead of actually checking applications for malicious code, check only the beginning of their names, so any program that starts, for example, on "com.adobe.*", pass the test.

    Quote

    "When it comes to choosing an antivirus for Android, we recommend that you consider the following factors. User ratings are clearly ineffective because the vast majority of users have no idea whether an application offers effective protection. Some reviews can be forged by developers. Most of the 250 apps we looked at in the Google Play Store got a score of 4 or higher. The number of downloads can also only be a very rough guideline — a successful Scam app can be downloaded many times before it becomes a Scam," experts write.

    To sum up, experts recommend using only anti-viruses from well-known, trusted and reputable developers who participate in the tests of independent institutions, have a website with contact information and privacy policy.



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    • OPPO Reno 3 review: Quad camera and lots of memory

      Last year's OPPO Reno 2 smartphone was remembered for its almost flagship characteristics. In the new generation, the emphasis has shifted - the role of the top-end device has been assigned to the Reno 3 Pro, and the standard “three” has become a mid-budget phone. However, Reno 3 received a powerful quad camera, high-quality screen, and a large amount of memory. We find out how good the new product is.

      Four rear modules and a 44-megapixel front-facing camera
      The main camera of Reno 3 received four modules, as in the top-end device of the series - Reno 3 Pro. However, there are some functions missing, such as interpolation up to 108 MP. All the blocks are arranged in a line on an islet that protrudes noticeably upwards if you wear the gadget without a cover.
      The main module has a 1/2-inch sensor with a resolution of 48 MP and a lens with an aperture of f/1.8. As usual, in standard mode, it produces 12-megapixel images, and if desired, you can take photos in full resolution - 48 MP. Telephoto is based on a 13-megapixel sensor and a lens with an f/2.4 aperture. The ultra-wide Angle is equipped with an 8-megapixel sensor and a lens with an f/2.2 aperture. Finally, the 2 MP sensor is designed to assess the depth of the scene.

      Telephoto, in addition to 2x optical zoom, provides a 5x hybrid zoom. The photo app allows you to quickly switch between four shooting modes: ultra-wide angle, 1x, 2x, and 5x.
      All modules can function together with HDR. This option works perfectly in Auto mode, improving both the light and dark tones of contrasting scenes. Artificial intelligence confidently recognizes the scenes being shot and selects settings.
      However, in non-standard lighting conditions, if you choose wide-angle optics, the color rendering will not always be accurate. This does not happen with the main module and the telephoto lens.

      The main module paired with the auxiliary module gives clear portraits and realistic blurs the background
      Reno 3 shoots well in mixed and artificial lighting, as well as in the absence of light in the dark. In the most problematic cases, the Night program helps out. It combines several shots and works out all the tones of contrasting scenes. For shooting with manual settings, an Expert preset is provided.
      Multi-megapixel selfies
      The front camera is built into the display and is located in the middle of its upper edge, in the "drop". The camera is equipped with a 44-megapixel sensor and a wide-angle f/2.4 aperture lens. The default settings are set to a 40-megapixel resolution of images. And the full one is selected by pressing a separate on-screen button. The image quality in both cases is approximately the same. Sharpness appears only from a distance of about 30 cm, that is, for example, it is impossible to obtain a macro photograph of your eye. It seems that the calculation was made for shooting with outstretched hands or a selfie stick. For self-portraits, there are traditionally many beauty options: smoothing the skin, correcting the shape of the face and nose, eye size, and so on.

      Selfies in 44MP mode
      The smartphone records 4K videos at 30 fps. The supported format is Full HD with 30 and 60 fps, as well as slow-motion clips in HD and Full HD. During movie shooting, you can freely switch the zoom.
      In 4K mode at 30 frames per second, the gadget produces a picture with the correct color reproduction and high definition. But when working with hands, stabilization is noticeably lacking.
      Shooting in Full HD at 60 fps uses Ultra Steady Video 2.0 stabilization, which makes the picture smoother.
      Work and entertainment without lags
      Reno 3 is built on an eight-core MediaTek Helio P90 chipset. The new product in AnTuTu gives out figures comparable to the results of Kirin 970 and Snapdragon 712, and slightly ahead of Snapdragon 710. And in the Geekbench 5 rating - is on par with Snapdragon 845. This speed is sufficient to avoid slowdowns in any applications.
      8 GB of RAM allows you to run multiple programs simultaneously. The built-in fingerprint sensor acts quickly and accurately. There are no performance problems in games. In the popular WoT: Blitz with default graphics settings, the frame rate is confidently kept at 60 fps.

      The device has only one main speaker, which produces clear sound without distortion up to about 90% of the volume. Plus, there is support for Dolby Atmos. In this software add-on, you can add surround sound and a bit of bass - a great option for multimedia applications.
      Unfortunately, you will not be able to create a full stereo pair, because the speaker is quieter than the main one. But in Reno3 Pro two speakers shake as if you are holding a good Bluetooth speaker in your hands. Complete in-ear headphones deliver high-quality sound. Thanks to the audio jack, you can connect your favorite accessory.

      The built-in storage is not too large: 128 GB. But it is easy to increase it by using a microSD memory card. It is placed in a triple slot next to two nano-SIM cards. We had a 512 GB test card at hand - it worked without problems.
      High autonomy
      The gadget is powered by a 4025 mAh battery and supports VOOC 3.0 fast charging technology. A 20 W adapter and a complete cable during the test provided recharging at high speed. For example, from 33 to 78%, the battery was charged in 13 minutes, and up to 100% in 27.
      An hour-long shootout in WoT: Blitz (display brightness - 50%) consumes 11 percent of the battery. That is, without going to the outlet, it is about 9 hours of offline gaming. In Flight-mode, with the same brightness, about 4.4% of the battery charge is spent per hour playing the video in Full HD. Therefore, you should expect 22 hours of offline video viewing. Excellent results!

      If long-term autonomy is not so important, you can disable power consumption optimization in the settings and select "High performance". In this case, the device will work a little faster, and the battery consumption will be stronger.
      Great screen
      Reno 3 is equipped with an AMOLED panel with a diagonal of 6.4 inches, a resolution of FHD+ (2400x1080 pixels), and an aspect ratio of 20:9. The display occupies 90.8% of the front panel area, has a teardrop-shaped cutout for the front and thin frames. The image is clear, with rich but natural colors. The viewing angles are large, and the brightness reserve is sufficient for using the phone on the street in any weather. With minimal screen light, it is comfortable to read in a dark room. And at night, you can switch to "Dark mode" - in fact, this is an inverse version of the design: with a black display and a white font. Many people will find it even more convenient, and it also saves battery life.
      Branded shell of the seventh version
      Reno 3 is running a proprietary ColorOS 7 shell based on Android 10. When comparing with the previous version, you can see that the font has not changed, but many icons have been redrawn. However, their shape and size can be easily changed at your own discretion. The screen can be converted to a split format - just make a three-finger swipe up.
      Specifications of OPPO Reno 3
      DISPLAY: 6.4 ", FHD + (2400x1080), 20: 9
      CHIPSET: CPU MediaTek Helio P90 (MT6779V), 2.2 GHz, GPU PowerVR GM 9446
      RAM: 8 GB
      STORAGE: 128 GB
      MAIN CAMERA: main - 48 megapixels (f/1.8) + 13 megapixels (telephoto) + 8 megapixels (wide-angle) + 2 megapixels (scene depth sensor);
      FRONT CAMERA: - 44 megapixels with f/2.4 aperture
      BATTERY: 4025 mAh
      FEATURES: a sub-screen fingerprint sensor, an NFC module, an audio output, support for microSD cards up to 256 GB (without SIM replacement), a proprietary shell ColorOS 7, three body colors: black, white and blue.
      Test results
      ANTUTU: 223,438
      GEEKBENCH: 5 428 single-core, 1568 multi-core
      AUTONOMY: about 22 hours of video playback

      Summary
      The OPPO Reno 3 is an interesting device with balanced characteristics. From the first minutes, the beautiful design, slim body, and high-quality 6.4-inch screen make you happy. Later on - high performance, fast recharging, and good battery life. The advantages include the photo-filling, including a 44-megapixel front camera. In addition, the built-in drive can be expanded with a memory card, but not to the detriment of the second SIM card - a trifle, but nice.

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