Jan 23, 2023Ravie LakshmananMobile Security / Malvertising Researchers have shut down an "expansive" ad fraud scheme that spoofed more than 1,700 applications from 120 publishers and impacted roughly 11 million devices. "VASTFLUX was a malvertising attack that injected malicious JavaScript code into digital ad creatives, allowing the fraudsters to stack numerous invisible … [Read more...] about Massive Ad Fraud Scheme Targeted Over 11 Million Devices with 1,700 Spoofed Apps
apps
Hackers Sign Android Malware Apps with Compromised Platform Certificates
Platform certificates used by Android smartphone vendors like Samsung, LG, and MediaTek have been found to be abused to sign malicious apps. The findings were first discovered and reported by Google reverse engineer Łukasz Siewierski on Thursday. "A platform certificate is the application signing certificate used to sign the 'android' application on the system image," a report … [Read more...] about Hackers Sign Android Malware Apps with Compromised Platform Certificates
These Dropper Apps On Play Store Targeting Over 200 Banking and Cryptocurrency Wallets
Five malicious dropper Android apps with over 130,000 cumulative installations have been discovered on the Google Play Store distributing banking trojans like SharkBot and Vultur, which are capable of stealing financial data and performing on-device fraud. "These droppers continue the unstopping evolution of malicious apps sneaking to the official store," Dutch mobile security … [Read more...] about These Dropper Apps On Play Store Targeting Over 200 Banking and Cryptocurrency Wallets
Where Are My App’s Traces? Instrumentation in Practice
Many developers don’t know what instrumentation really is, and those who do don’t really understand the black magic that takes an application and makes it emit telemetry, especially when automatic instrumentation is involved. On top of that, each programming language has its own tricks. I wanted to unwrap this loaded topic on my podcast, OpenObservability Talks. For this topic … [Read more...] about Where Are My App’s Traces? Instrumentation in Practice
The Harly Trojan subscriber in Google Play apps
It’s common to find all sorts of malware lurking under what seem to be harmless apps on the official Google Play store. Unfortunately, even if the platform is policed carefully, moderators can’t always catch these apps before they’re posted. One of the most popular variations of this kind of malware is Trojan subscribers, which sign up for paid services without the user’s … [Read more...] about The Harly Trojan subscriber in Google Play apps
Over a Dozen Android Apps on Google Play Store Caught Dropping Banking Malware
A malicious campaign leveraged seemingly innocuous Android dropper apps on the Google Play Store to compromise users' devices with banking malware. These 17 dropper apps, collectively dubbed DawDropper by Trend Micro, masqueraded as productivity and utility apps such as document scanners, QR code readers, VPN services, and call recorders, among others. All these apps in … [Read more...] about Over a Dozen Android Apps on Google Play Store Caught Dropping Banking Malware
These 28+ Android Apps with 10 Million Downloads from the Play Store Contain Malware
As many as 30 malicious Android apps with cumulative downloads of nearly 10 million have been found on the Google Play Store distributing adware. "All of them were built into various programs, including image-editing software, virtual keyboards, system tools and utilities, calling apps, wallpaper collection apps, and others," Dr.Web said in a Tuesday write-up. While … [Read more...] about These 28+ Android Apps with 10 Million Downloads from the Play Store Contain Malware
Researchers Uncover Malicious NPM Packages Stealing Data from Apps and Web Forms
A widespread software supply chain attack has targeted the NPM package manager at least since December 2021 with rogue modules designed to steal data entered in forms by users on websites that include them. The coordinated attack, dubbed IconBurst by ReversingLabs, involves no fewer than two dozen NPM packages that include obfuscated JavaScript, which comes with malicious code … [Read more...] about Researchers Uncover Malicious NPM Packages Stealing Data from Apps and Web Forms
Microsoft Warns About Evolving Capabilities of Toll Fraud Android Malware Apps
Microsoft has detailed the evolving capabilities of toll fraud malware apps on Android, pointing out its "complex multi-step attack flow" and an improved mechanism to evade security analysis. Toll fraud belongs to a category of billing fraud wherein malicious mobile applications come with hidden subscription fees, roping in unsuspecting users to premium content without their … [Read more...] about Microsoft Warns About Evolving Capabilities of Toll Fraud Android Malware Apps
10 Most Prolific Banking Trojans Targeting Hundreds of Financial Apps with Over a Billion Users
10 of the most prolific mobile banking trojans have set their eyes on 639 financial applications that are available on the Google Play Store and have been cumulatively downloaded over 1.01 billion times. Some of the most targeted apps include Walmart-backed PhonePe, Binance, Cash App, Garanti BBVA Mobile, La Banque Postale, Ma Banque, Caf - Mon Compte, Postepay, and BBVA … [Read more...] about 10 Most Prolific Banking Trojans Targeting Hundreds of Financial Apps with Over a Billion Users