Fake ChatGPT Apps Scam Users Out of Thousands of Dollars, Sophos Reports
These Apps—Known as Fleeceware—Take Advantage of App Store Policy Loopholes and Coercive Tactics to Overcharge Users for AI Assistants
OXFORD, United Kingdom, May 17, 2023 (GLOBE NEWSWIRE) — Sophos, a global leader in innovating and delivering cybersecurity as a service, today announced that it had uncovered multiple apps masquerading as legitimate, ChatGPT-based chatbots to overcharge users and bring in thousands of dollars a month. As detailed in Sophos X-Ops’ latest report, “’FleeceGPT’ Mobile Apps Target AI-Curious to Rake in Cash,” these apps have popped up in both the Google Play and Apple App Store, and, because the free versions have near-zero functionality and constant ads, they coerce unsuspecting users into signing up for a subscription that can cost hundreds of dollars a year.
“Scammers have and always will use the latest trends or technology to line their pockets. ChatGPT is no exception. With interest in AI and chatbots arguably at an all-time high, users are turning to the Apple App and Google Play Stores to download anything that resembles ChatGPT. These types of scam apps—what Sophos has dubbed ‘fleeceware’—often bombard users with ads until they sign up for a subscription. They’re banking on the fact that users won’t pay attention to the cost or simply forget that they have this subscription. They’re specifically designed so that they may not get much use after the free trial ends, so users delete the app without realizing they’re still on the hook for a monthly or weekly payment,” said Sean Gallagher, principal threat researcher, Sophos.
In total, Sophos X-Ops investigated five of these ChatGPT fleeceware apps, all of which claimed to be based on ChatGPT’s algorithm. In some cases, as with the app “Chat GBT,” the developers played off the ChatGPT name to improve their app’s ranking in the Google Play or App Store. While OpenAI offers the basic functionality of ChatGPT to users for free online, these apps were charging anything from $10 a month to $70.00 a year. The iOS version of “Chat GBT,” called Ask AI Assistant, charges $6 a week—or $312 a year—after the three-day free trial; it netted the developers $10,000 in March alone. Another fleeceware-like app, called Genie, which encourages users to sign up for a $7 weekly or $70 annual subscription, brought in $1 million over the past month.
The key characteristics of so-called fleeceware apps, first discovered by Sophos in 2019, are overcharging users for functionality that is already free elsewhere, as well as using social engineering and coercive tactics to convince users to sign up for a recurring subscription payment. Usually, the apps offer a free trial but with so many ads and restrictions, they’re barely useable until a subscription is paid. These apps are often poorly written and implemented, meaning app function is often less than ideal even after users switch to the paid version. They also inflate their ratings in the app stores through fake reviews and persistent requests of users to rate the app before it’s even been used or the free trial ends.
“Fleeceware apps are specifically designed to stay on the edge of what’s allowed by Google and Apple in terms of service, and they don’t flout the security or privacy rules, so they are hardly ever rejected by these stores during review. While Google and Apple have implemented new guidelines to curb fleeceware since we reported on such apps in 2019, developers are finding ways around these policies, such as severely limiting app usage and functionality unless users pay up. While some of the ChatGPT fleeceware apps included in this report have already been taken down, more continue to pop up—and it’s likely more will appear. The best protection is education. Users need to be aware that these apps exist and always be sure to read the fine print whenever hitting ‘subscribe.’ Users can also report apps to Apple and Google if they think the developers are using unethical means to profit,” said Gallagher.
All apps included in the report have been reported to Apple and Google. For users who have already downloaded these apps, they should follow the App or Google Play store’s guidelines on how to “unsubscribe.” Simply deleting the fleeceware app will not void the subscription.
Learn more about these scam ChatGPT apps and how to avoid them in ’FleeceGPT’ Mobile Apps Target AI-Curious to Rake in Cash on Sophos.com
Learn More About
- Fleeceware apps on the Google Play and Apple App Store
- How to use ChatGPT to your advantage when thwarting cyberattackers in GPT for you and me: Applying AI language processing to cyber defenses
- Attacker behaviors, techniques and tactics in the 2023 Active Adversary Report for Business Leaders, based on analysis of Sophos incident response cases
- The threat landscape and trends likely to impact cybersecurity in the 2023 Threat Report
- Sophos X-Ops and its groundbreaking threat research by subscribing to the Sophos X-Ops blogs
Sophos is a worldwide leader and innovator of advanced cybersecurity solutions, including Managed Detection and Response (MDR) and incident response services and a broad portfolio of endpoint, network, email, and cloud security technologies that help organizations defeat cyberattacks. As one of the largest pure-play cybersecurity providers, Sophos defends more than 500,000 organizations and more than 100 million users globally from active adversaries, ransomware, phishing, malware, and more. Sophos’ services and products connect through its cloud-based Sophos Central management console and are powered by Sophos X-Ops, the company’s cross-domain threat intelligence unit. Sophos X-Ops intelligence optimizes the entire Sophos Adaptive Cybersecurity Ecosystem, which includes a centralized data lake that leverages a rich set of open APIs available to customers, partners, developers, and other cybersecurity and information technology vendors. Sophos provides cybersecurity-as-a-service to organizations needing fully-managed, turnkey security solutions. Customers can also manage their cybersecurity directly with Sophos’ security operations platform or use a hybrid approach by supplementing their in-house teams with Sophos’ services, including threat hunting and remediation. Sophos sells through reseller partners and managed service providers (MSPs) worldwide. Sophos is headquartered in Oxford, U.K. More information is available at www.sophos.com.
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