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Laurelino Braendel

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Aug 4, 2024, 2:40:54 PM8/4/24
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PRAGUEOct. 22, 2020 /PRNewswire/ -- Avast (LSE:AVST), a global leader in digital security and privacy products, has discovered 21 adware gaming apps on Google's Play Store, and reported them to Google. Currently, 19 of the apps are still available on the Play Store, but Google is investigating the reports. Similarly to adware apps reported by Avast in June and in September, the adware is part of the HiddenAds family, displaying intrusive ads, and luring users into downloading the adware by posing as gaming apps. This time, for example, the apps promise to virtually "let your car fly across the road, trees, hills," to shoot criminals from a helicopter, or, for household enthusiasts, allow players to virtually iron their clothes. The apps have been downloaded about eight million times so far based on SensorTower, a mobile apps marketing intelligence and insights company, estimates.

Numerous user reviews on the Google Play Store mention the apps grabbed their attention through advertisements on YouTube, promising a different game than what the app ultimately offered. Following the download, advertisements started flooding their phones.


"Developers of adware are increasingly using social media channels, like regular marketers would. This time, users reported they were targeted with ads promoting the games on YouTube. In September we saw adware spread via TikTok. The popularity of these social networks make them an attractive advertising platform, also for cybercriminals, to target a younger audience," said Jakub Vvra, Threat Analyst at Avast. "While Google is doing everything possible to prevent HiddenAds from entering its Play Store, the malicious apps keep finding new ways to disguise their true purpose, thus slipping through to the platform and then to users' phones. Users need to be vigilant when downloading applications to their phones and are advised to check the applications' profile, reviews and to be mindful of extensive device permission requests."


The HiddenAds family is a Trojan disguised as a safe and useful application but instead serves intrusive ads outside of the app. These campaigns are repurposing existing gaming applications and add aggressive HiddenAds features to be displayed for users. Stealth features such as hiding their icons and having relevant looking advertisements make such adware difficult to identify and remove.


How to recognize adware apps Generally, adware is a type of malicious software that bombards a user with excessive ads in and outside of an app. Applications have many 5- and 1-star reviews. The reviews often cite low functionality and/or excessive ads, or are overly enthusiastic and positive. When clicking on the apps' developer account, adware developers tend to only have one app on Google Play, which can be suspicious. They do this in case their profiles are deleted, they do not lose multiple apps. By checking the permissions an app requests before installing and reading reviews, users can avoid falling victim to downloading any HiddenAds adware.


About Avast:Avast (LSE:AVST), a FTSE 100 company, is a global leader in digital security and privacy products. With over 435 million users online, Avast offers products under the Avast and AVG brands that protect people from threats on the internet and the evolving IoT threat landscape. The company's threat detection network is among the most advanced in the world, using machine learning and artificial intelligence technologies to detect and stop threats in real time. Avast digital security products for Mobile, PC or Mac are top-ranked and certified by VB100, AV-Comparatives, AV-Test, SE Labs and others. Visit: www.avast.com.


The permissions requested by this extension still grant it almost arbitrary access to all websites. But at least the only unused privilege on this list is management which gives it the ability to disable or uninstall other extensions.


Why this matters: when your browser requests example.securebrowser.com website over an unencrypted HTTP connection, it cannot be guaranteed that your browser is actually talking to an Avast web server. In fact, any response is guaranteed to come from a malicious web server because to such website exists.


One way you might get a response from such a malicious web server is connecting to a public WiFi. In principle, anyone connected to the same WiFi could redirect unencrypted web requests to their own malicious web server, inject an invisible request to example.securebrowser.com in a frame (which would also be handled by their malicious server) and gain the ability to message Privacy Guard extension. While not common, this kind of attack did happen in the wild.


This messaging interface can also be used to add exceptions for arbitrary domains. And while Privacy Guard options page is built using React.js which is normally safe against HTML injections, in one component they chose to use a feature with the apt name dangerouslySetInnerHTML. And that component is used among other things for displaying, you guessed it: domain exceptions.


You wonder what is going on? This extension processes some rules that it downloaded from _type=messaging,messaging_prefs&browser_version=126.0.25496.127 (with some more tracking parameters added). Yes, there is a lot of info here, so let me pick out one entry and explain it:


The engagement_trigger_all entry lists conditions that have all be true: you have to be on the New Tab page, and your search provider has to be Google. The engagement_trigger_any entry lists conditions where any one is sufficient: this particular rule should not have been triggered before, or it should have been triggered more than 2592000 seconds (30 days) ago. Finally, engagement_trigger_none lists conditions that should prevent this rule from applying. And if these conditions are met, the Messaging extension will inject a frame into the current tab to nag you about switching from Google to Bing:


Another rule will nag you every 30 days about enabling the Coupons extension, also a cash cow for Avast. There will be a nag to buy the PRO version for users opening a Private Browsing window. And there is more, depending on the parameters sent when downloading these rules probably much more.


Not quite, there are far more parties involved here. Looking only at www.avast.com, there is for example OneTrust who are responsible for the cookie banners. Google, Adobe, hotjar, qualtrics and mpulse are doing analytics (a.k.a. user tracking). A Trustpilot widget is also present. There is some number of web hosting providers involved (definitely Amazon, likely others as well) and at least two content delivery networks (Akamai and Cloudflare).


At this point, the Appellate Authority considers it necessary to recall that the Charged Company provides software designed to protect the privacy of its users. As a professional in the information and cyber field, the Charged Company is thereby also expected to be extremely knowledgeable in the field of data protection.


Stumbled across this site and it seems like all the common anti-virus software companies have a little bit of a problem? I saw the Mcafee, avast, bitdefender, kaspersky, it covers almost all of the security company I know.Is the author interested in doing ESET related content?


The Coppermind has spoilers for all of Brandon's published works. Information about books that have not yet been released, like Stormlight 5, is allowed only on meta-pages for the books themselves. For more details, see our spoiler policy. To view an earlier version of the wiki without spoilers for a book, go to the Time Machine!


Prior to her Ascension, Koravellium was a dragon;[4] however, she seems to prefer human form when interacting with others as a Shard. When speaking with people, she typically takes on the appearance of a dark-skinned woman with a matronly build, a round face and a full head of black, tightly-curling hair. She wears a sweeping brown dress that seems to meld into the undergrowth, and has a voice described as sounding like tumbling stones.[5][6]


Koravellium is calculating and cautious, preferring to set things up from the background than taking action directly, likely thanks to having front-row view of what happens to Shards that do fight Odium head-on.[5] She is deeply private and secretive, retreating from people and hiding her plans and thoughts from them. This leads to some thinking that she has given up on humanity at large, while in reality she is hiding and planning.[7][8] When she does interact with people, she is rather curt and self-assured, leaving no room for discussion or doubts, though she can be considerate when need be.[5]


She can, however, be kind. She cared deeply for Tanavast, and mourned his passing.[7] She isn't opposed to teaching other Shards how to use their powers, either. It seems this can be used to fool her, though at the moment, it's unclear how deeply her schemes run.[6]


Koravellium was once capable of transforming between shapes of various species, including those of a human and a giant, scaled beast.[4] Being a dragon, she would also be unaging and capable of flight.[9] While presently she can appear as she wishes, her draconic shape is still the "truest" one.[6] Nonetheless, despite being Roshar's only dragon, she prefers to hide this aspect of her nature.[9]


As a Shard, she is one of the most powerful entities in the cosmere, capable of altering souls through Old Magic. She has demonstrated the power to manipulate people's memories, alter their levels of intelligence and emotion, and give them abilities such as metabolizing food into Lifelight, touching spren, and entering visions. She is capable of creating powerful spren and granting them abilities similar to her own, though the only such creation known to exist is the Nightwatcher.[5] As with most Shards, Koravellium is additionally gifted with potent future sight. While it's better than Honor's, it's unclear how she compares to Shards like Endowment or Preservation.[10]

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