APKs Archives

AppWizard

July 29, 2025

ANDROID MALWARE POSING AS INDIAN BANK APPS

The report discusses a sophisticated Android malware targeting users in India, which disguises itself as legitimate banking applications to steal credentials and conduct unauthorized financial activities. The malware employs advanced techniques such as silent installation, exploitation of Android permissions, and remote command execution to avoid detection. It utilizes Firebase for command-and-control operations and phishing pages that mimic real banking interfaces. The malware consists of a modular architecture with a dropper and a main payload. The dropper requests several Android permissions, including ACCESSNETWORKSTATE, REQUESTINSTALLPACKAGES, and QUERYALLPACKAGES, which facilitate reconnaissance and persistence. The dropper uses a silent installation mechanism to load additional payloads without user awareness. The main payload requests permissions that enable data theft and stealthy operation, such as READSMS, SENDSMS, and RECEIVEBOOTCOMPLETED. It hides itself from the user's app list and employs separate classes for specific malicious tasks, including harvesting user credentials and collecting debit card information. The phishing page mimics a legitimate banking app to capture user data effectively. The malware also monitors incoming SMS messages, extracts critical metadata, and can silently forward calls to an attacker-controlled number. A specific APK sample impersonating an Indian banking application was observed on April 3, 2025, highlighting ongoing trends in mobile-based credential theft and financial fraud. Recommendations include enforcing stricter mobile application security standards, launching public awareness campaigns, implementing threat intelligence-driven filtering, and deploying mobile endpoint detection solutions.

AppWizard

July 25, 2025

Fake Indian Banking Apps on Android Steal Login Credentials from Users

A recently discovered malicious Android application poses significant risks by masquerading as legitimate banking apps in India. It facilitates credential theft, conducts surveillance, and executes unauthorized financial transactions. The malware operates on a modular architecture with a dropper and primary payload, employing deceptive user interfaces and silent installation techniques to evade detection. The dropper requests extensive permissions, including ACCESSNETWORKSTATE, REQUESTINSTALLPACKAGES, and QUERYALLPACKAGES, to monitor connectivity, install secondary APKs without user awareness, and profile installed apps. It loads a hidden payload and initiates installation using an INSTALL_NOW flag, bypassing app store scrutiny. The main payload requests additional permissions such as READSMS, SENDSMS, and RECEIVESMS for intercepting one-time passwords (OTPs) and two-factor authentication (2FA) codes. It also requests REQUESTIGNOREBATTERYOPTIMIZATIONS, READPHONESTATE, and READPHONENUMBERS for uninterrupted execution, device fingerprinting, and potential call forwarding abuse. Data exfiltration occurs through Firebase Realtime Database, storing user IDs and intercepted SMS metadata. The malware uses Firebase for command-and-control operations and generates phishing pages resembling authentic banking interfaces. Delivery methods include smishing, email phishing, WhatsApp bots, vishing calls, SEO-poisoned websites, malvertising, Trojanized utilities, QR/NFC attacks, preloaded malware on counterfeit devices, and exploitation of accessibility service vulnerabilities. Indicators of compromise include specific SHA256 hashes for the base payload and main payload.

BetaBeacon

July 24, 2025

My search for a great Android emulator for my new Mac took me down a rabbit hole

The fact described in the text is that Mumuplayer is the first Android emulator for Macs fully optimized for M1-based computers, offering customization options and a smooth experience for basic Android games, but with limitations for more demanding games and apps.

AppWizard

July 23, 2025

Threat Actors Blend Click Fraud Apps and Malware to Steal Android Credentials

Security researchers at Trustwave SpiderLabs have identified a complex cluster of Android malware that combines click fraud, credential theft, and brand impersonation. This malware exploits the Android Package Kit (APK) file format to distribute malicious applications, often through phishing messages or deceptive websites. Users are tricked into installing these APKs, which are disguised as reputable brands or promotional apps. Once installed, the malware takes advantage of Android's permission model to access sensitive resources, primarily for click fraud and traffic redirection to generate illicit revenue. Some variants engage in data collection and credential harvesting, employing advanced evasion tactics to avoid detection, such as using counterfeit Chrome applications and overlay screens. A notable variant includes a spoofed Facebook app that mimics the official interface and connects to a remote command-and-control server for instructions. The malware uses encryption and encoding to secure data exchanges and employs open-source tools to bypass Android's signature verification. Evidence suggests that the operators may be Chinese-speaking, as indicated by the use of Simplified Chinese in the code and the promotion of related APK campaigns on Chinese-speaking underground forums.

AppWizard

July 22, 2025

Beware – Iran-linked fake VPN apps found to spy on Android users

Researchers have identified a new spyware campaign targeting Iranian users of Android VPN applications, specifically a revamped version of DCHSpy, which disguises itself as legitimate VPN services like Starlink. This campaign began shortly after the Israel-Iran conflict and coincided with increased VPN usage among Iranians facing internet restrictions. DCHSpy can collect sensitive user data, including WhatsApp messages, contacts, SMS, files, location information, call logs, and has the ability to record audio and capture images. The spyware is maintained by the hacking group MuddyWater, linked to Iran's Ministry of Intelligence and Security, and has been enhanced with new functionalities. Malicious VPN services EarthVPN and ComodoVPN are being used to spread the malware, following the previous use of HideVPN. Experts warn that hackers are distributing malicious APKs through trusted platforms like Telegram, increasing risks for Iranian citizens. Security analyst Azam Jangrevi advises caution when downloading apps, recommending verified app stores and mobile security solutions to detect threats like DCHSpy. For high-risk professionals, she suggests using hardware-based security keys and vetted encrypted messaging applications.

AppWizard

July 22, 2025

Threat Actors Combine Android Malware With Click Fraud Apps to Steal Login Credentials

A new wave of malicious Android Package Kit (APK) files is combining click-fraud advertising and credential theft, primarily affecting regions like Southeast Asia, Latin America, and parts of Europe. These APKs disguise themselves as casual games or clones of legitimate apps, enticing users to sideload them and bypass Google Play’s security measures. Once installed, they request excessive permissions and operate in the foreground to inflate ad impressions while capturing user credentials through convincing login forms. The malware uses a modular configuration system and communicates with an encrypted command-and-control backend. The installation process often begins with social media messages or QR codes leading to spoofed landing pages. The app can embed secondary payloads without invalidating its original signature and minimizes detection by sandboxes. By the time users notice unusual activity, the malware has already exfiltrated ad revenue and credentials.

AppWizard

July 22, 2025

Cybercriminals Merge Android Malware with Click Fraud Apps to Harvest Credentials

Researchers have identified a sophisticated cluster of Android malware that merges brand impersonation with traffic monetization strategies, utilizing Android Package Kit (APK) files to compromise user trust and extract sensitive information. The malware disguises itself as legitimate services and uses social engineering techniques to encourage manual installations. Once installed, it exploits Android's permission model to access device resources and hijack network traffic for advertising fraud. The malware includes various categories such as ad fraud apps, credential stealers, background data harvesters, task reward apps, and gambling apps, each designed to manipulate user interactions and collect sensitive data. Common strategies include redirecting traffic through monetized domains and employing encrypted command-and-control communications. A notable variant is a spoofed Facebook APK that requests extensive permissions and retrieves encrypted configuration files from specific domains. The malware's infrastructure allows it to circumvent Android signature verification and adapt its behavior based on the environment, evading detection. Analysis suggests involvement from Chinese-speaking operators, with connections to underground economies trading stolen data. The campaign combines ad fraud and credential theft, highlighting a dual purpose of monetization and intelligence gathering. Users are advised to limit installations to trusted sources and scrutinize unsolicited APKs to mitigate threats.

AppWizard

July 15, 2025

This Android malware poses as real apps to take you to dangerous sites and flood your phone with spam

A new variant of the Konfety malware targets high-end Android devices using sophisticated evasion techniques, including distorted APK files to avoid detection. This version disguises itself as legitimate applications, imitating popular apps on the Google Play Store. It employs an 'evil twin' tactic, emphasizing the need to download software only from trusted publishers and avoiding third-party APKs. The malware can redirect users to harmful websites, install unwanted software, and generate misleading notifications. It displays ads through the CaramelAds SDK and can exfiltrate sensitive data such as installed applications and network configurations. Konfety can conceal its app icon and name, using geofencing to alter behavior based on location, and employs an encrypted DEX file to hide services. To evade analysis, it manipulates APK files to appear encrypted, causing misleading prompts during inspection, and compresses critical files with BZIP, leading to parsing failures. Users are advised to avoid sideloading apps, ensure Google Play Protect is enabled, and consider installing a reputable antivirus to enhance security.

AppWizard

July 8, 2025

Qwizzserial Android Malware Poses as Legit Apps to Steal Banking Info and Bypass 2FA via SMS Interception

A newly identified Android malware family, Qwizzserial, has emerged as a significant threat in Uzbekistan, disguising itself as legitimate financial and government applications. It spreads primarily through Telegram, using deceptive channels to impersonate authorities and financial institutions, luring victims with offers of financial assistance. Upon installation, Qwizzserial requests permissions related to SMS and phone state, prompting users to input sensitive information such as phone numbers and bank card details, which it exfiltrates via the Telegram Bot API or HTTP POST requests. The malware intercepts incoming SMS messages, including one-time passwords (OTPs) for two-factor authentication, and can extract financial information from messages. Analysts from Group-IB have tracked around 100,000 infections linked to Qwizzserial, with confirmed financial losses exceeding ,000,000 within three months. The malware's infection pattern follows a Pareto distribution, with a small subset of samples causing the majority of infections, particularly those impersonating financial institutions. Security solutions have developed detection rules for Qwizzserial, and organizations are encouraged to implement user education and monitoring to mitigate risks. End-users are advised against installing applications from untrusted sources and to scrutinize app permissions. Indicators of Compromise (IOC) include specific C2 domains and file hashes for both example and latest samples of Qwizzserial.

AppWizard

July 7, 2025

Qwizzserial Android Malware Masquerades as Legit Apps to Steal Banking Data and Intercept 2FA SMS

A new Android malware family named Qwizzserial has emerged, primarily affecting users in Uzbekistan. Identified by Group-IB in March 2024, it functions as an SMS stealer that intercepts two-factor authentication codes and banking information. The malware disguises itself as legitimate applications and spreads through deceptive messages on Telegram, leading to approximately 100,000 infections from around 1,200 samples. Qwizzserial employs social engineering tactics, such as enticing file names and fake Telegram channels, to lure victims. Once installed, it requests permissions for phone calls and SMS access to exfiltrate sensitive data using Telegram bots. Advanced variants utilize obfuscation tools and may request users to disable battery optimization. The financial impact is significant, with one group reportedly generating around 0,000 between mid-March and mid-June 2025. The malware targets banking notifications and large transactions, exploiting the local banking sector's reliance on SMS authentication. Group-IB has developed detection methods to combat this threat.