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Cybercriminals Use Darknet to Sell Malicious Google Play Apps for up to US$20,000

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After analysing offers of malicious apps on Google Play that are for sale on the Darknet, Kaspersky experts have discovered that malicious mobile apps and store developer accounts are being sold at up to US$20,000.

Using Kaspersky Digital Footprint Intelligence, researchers collected examples from nine different Darknet forums where the purchase and sale of goods and services related to malware is carried out.

The report sheds light on how threats sold on the Darknet appear on Google Play and also reveals the offers available, price range and features of communication and agreements between cybercriminals.

Even though official app stores are vigorously policed, moderator services can’t always catch malicious apps before they’re uploaded. Every year a vast range of malicious apps are deleted on Google Play only after victims have been infected.

Cybercriminals gather on the Darknet – a whole underground digital world with its own rules, market prices, and reputational institutions – to buy and sell Google Play malicious apps, and additional functions to upgrade and even advertise their creations.

Like on legitimate forums for selling goods, there are also various Darknet offers for different needs and customers with different budgets. To publish a malicious app, cybercriminals need a Google Play account and a malicious downloader code (Google Play Loader).

A developer account can be bought cheaply, for US$200 and sometimes even for as little as US$60. The cost of malicious loaders ranges between US$2,000 and $20,000, depending on the complexity of malware, the novelty and prevalence of malicious code, as well as the additional functions.

Most often, the malware being distributed is suggested to be hidden under cryptocurrency trackers, financial apps, QR-code scanners and even dating apps. Cybercriminals also highlight how many downloads the legitimate version of that app has, which means how many potential victims can be infected by updating the app and adding malicious code to it. Most frequently the suggestions specify 5,000 downloads or more.

For an additional fee, cybercriminals can obfuscate the application code to make it harder to detect by cybersecurity solutions. To increase the number of downloads to a malicious app, many attackers also offer to purchase installs – directing traffic through Google ads and attracting more users to download the app. Installs cost differently for each country.

The average price is US$0.50, with offers ranging from US$0.10 to several dollars. In one of the discovered offers, advertisements for users from the USA and Australia cost the most – US$0.80.

Fraudsters offer three kinds of work: for a share of the final profit, rent, and full purchase of either an account or a threat. Some sellers even hold auctions to buy their goods, since many sellers limit the number of lots sold.

For example, in one offer that was found, the starting price was US$1,500, with $700 incremental steps in the auction, and the blitz – the instant purchase for the highest price – was $7,000.

Darknet sellers can also offer to publish the malicious app for the buyer so they do not directly interact with Google Play, but can still remotely receive all of the victims’ detected data.

It may seem that in such a case the developer can easily deceive the buyer, but it is common among Darknet sellers to preserve and maintain their reputation, promise guarantees, or accept payment after the terms of the agreement have been completed.

To reduce risks when making deals cybercriminals often resort to the services of disinterested intermediaries, known as “escrow”. The escrow may become a special service and supported by a shadow platform, or a third party who is not interested in the results of the transaction.

“Malicious mobile apps continue to be one of the top cyberthreats targeting users, with more than 1.6 million mobile attacks detected in 2022. At the same time, the quality of cybersecurity solutions that protect users from these attacks is also increasing.

On the Darknet, we found messages from cybercriminals complaining how it is now much harder for them to upload their malicious apps to official stores. However, this also means that they will now come up with much more sophisticated circumvention schemes, so users should stay alert and carefully check which apps they are downloading,” comments Alisa Kulishenko, security expert at Kaspersky.

 


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E-Business

Oracle Sacks 12,000 in India, Begins Shift to AI

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Oracle, US-based technology giant, has initiated a sweeping round of layoffs affecting thousands of employees globally, with India among the worst-hit regions, according to multiple reports.

Oracle Sacks 12,000 in India, Begins Shift to AI

The job cuts, which began on March 31, are part of a broader restructuring exercise that could impact between 20,000 and 30,000 employees worldwide, making it one of the largest workforce reductions in the company’s history.

While the exact number remains unconfirmed, multiple reports  suggest that around 12,000 employees in India have been affected,

Employees across several geographies, including India, the United States, Canada, and Mexico, reported receiving termination emails early in the morning, informing them that their roles had been eliminated with immediate effect.

“Today is your last working day,” the email stated, citing “organisational change” as the reason for the decision. Access to company systems, including email and internal platforms, was revoked shortly thereafter.

The communication, according to Business Insider, described the move as part of a broader “reduction in force and other terminations,” and said affected employees would be eligible for severance benefits subject to company policy.

The email also instructed employees to share personal contact details to receive separation documents.

In India, impacted employees have reportedly been offered severance packages that include 15 days’ salary for each completed year of service, notice period pay, leave encashment, gratuity where applicable, and an additional two-month salary top-up in cases of voluntary separation.

The layoffs are linked to Oracle’s strategic shift towards artificial intelligence (AI) and cloud infrastructure.

The company has announced plans to invest approximately USD 50 billion in AI infrastructure and has reportedly raised an equivalent amount in debt to fund its expansion.

In a recent regulatory filing, Oracle said it expects restructuring costs for fiscal 2026 to reach up to USD 2.1 billion, largely driven by severance payouts and related expenses.

The move comes as Oracle looks to strengthen its position against global cloud competitors such as Amazon and Alphabet.

Uncertainty continues to loom over employees, with reports indicating that another round of layoffs could follow in the coming weeks. Employees who were affected described the layoffs as abrupt, with little prior indication.

Some former staff members have taken to social media to share their experiences.

Tricia S Marsh, a former Senior Principal at Oracle, said the layoffs marked the end of an important chapter in her career while urging affected colleagues to remain hopeful.

As of May 2025, Oracle had around 162,000 full-time employees globally.


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Cybersecurity Firm Uncovers CrystalX RAT which Steals Data, Mocks its Victims

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Kaspersky Global Research & Analysis Team (GReAT) has uncovered an active malicious campaign distributing a previously undocumented RAT with a very broad feature set. Beyond the standard remote access trojan functionality, it combines stealer, keylogger, clipper, and spyware capabilities.

Cybercriminals are selling it to third parties as MaaS (malware-as-a-service) promoting it on YouTube and Telegram, increasing the likelihood of its use across a wider range of actors, including less-skilled operators.

Due to its stealer functionality, the malware can collect a wide range of data about its victim: it gathers system information, extracts credentials for Steam, Discord and Telegram, and also harvests data from web browsers. It also poses a threat to cryptocurrency users, as it includes a browser-based clipper that replaces crypto wallet addresses.

Beyond data theft, CrystalX RAT is capable of full-scale surveillance, with the ability to take screenshots, record audio from the microphone, and capture video from both the webcam and the victim’s screen.

Particularly notable is the CrystalX RAT “playful” Prankware feature set, which is actively promoted by the developers. These capabilities allow operators to visibly interfere with the victim’s system by shaking the mouse cursor, setting wallpapers on the victim’s screen, changing screen orientation, hiding desktop icons, forcing system shut downs, and even delivering real-time pop-up notifications and messages to the victim.

While seemingly trivial, these features introduce a disruptive and psychological dimension to the attack, making the attack both visible and distressing for the victim.

Kaspersky reports attacks targeting users in Russia, but the trojan has the potential to spread to other countries due to its sales and distribution model.

“Such a diverse feature set effectively enables a 360-degree compromise of the victim and a complete loss of privacy. Beyond gaining access to account credentials, the stolen data could potentially be used for blackmail.

“At the moment, the initial infection vector is not precisely known, but it is already affecting dozens of victims. Our telemetry is already detecting new versions of the implants, indicating that this malware is still actively developed and maintained.

“We expect the number of victims to grow significantly and its geographic spread to expand in the near future,” says Leonid Bezvershenko, senior security researcher at Kaspersky GReAT.


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Kaspersky Warns of a New Phishing Technique Leveraging Bubble, a no-code AI Platform

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Kaspersky has discovered a new phishing tactic used to evade traditional security controls that exploits Bubble, a platform that allows users to build web and mobile applications through a visual interface without writing code.

Attackers are increasingly adopting innovative tools designed for legitimate software development and repurposing them to boost phishing campaigns.

Traditional phishing attacks often rely on malicious links or obvious redirection techniques, which are typically flagged and blocked by modern security systems.

However, attackers are now leveraging Bubble’s no-code environment to generate intermediary web applications which are hosted on Bubble’s legitimate infrastructure and trusted domains such as *.bubble.io, which improves their credibility and helps them bypass security filters.

These applications function as disguised redirectors, silently forwarding victims to malicious credential-harvesting websites.

In the observed campaign, victims were ultimately redirected to a convincing imitation of a Microsoft login page, protected by a Cloudflare verification layer designed to further obscure malicious intent.

This technique is likely being integrated into broader phishing-as-a-service (PhaaS) platforms and phishing kits. These kits enable a wide range of malicious capabilities with ready-made tools, including real-time interception of session cookies, driving phishing campaigns through legitimate services such as Google Tasks and Google Forms, and carry out adversary-in-the-middle (AiTM) attacks that can bypass multi-factor authentication.

They also support the generation of phishing emails using AI, implement geo-filtering and anti-detection mechanisms to evade security crawlers and are often hosted on reputable cloud services like AWS to avoid blacklisting.

“The use of legitimate platforms like Bubble introduces a new level of trust abuse, making it harder for both users and automated systems to distinguish between safe and malicious content. This significantly increases the likelihood of credential theft, unauthorised access and potential data breaches,” comments Roman Dedenok, Anti-Spam Expert at Kaspersky.

 

 


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