Hackers Clone Banking Apps Into Hidden Android Work Profiles to Evade Fraud Detection
GoldFactory-linked Gigabud and Vwork malware clone banking apps into hidden Android work profiles to evade fraud detection across 11+ countries.
Group-IB links Vwork, a modified version of the open-source Shelter app cloner, to the GoldFactory group and its Gigabud Android RAT, which clones victim banking apps into an isolated work profile so fraud sessions look clean to banks. From February through July 2026, researchers observed about 1,469 compromised devices and 1,281 potentially compromised logins in Indonesia, with estimated losses near $960,939. Targets span Brazil, Colombia, Egypt, Indonesia, Mexico, Morocco, the Philippines, Thailand, Türkiye, Laos, and a GCC state; delivery uses fake airline, tax, government, and banking apps pushed via phishing sites, messaging apps, and social media.
WindRelay Android Malware Turns Victims' Phones Into NFC Relays for Payment Fraud
Group-IB details WindRelay, a new Android NFC relay malware paired with SpyNote RAT to relay card data live for contactless payment fraud and loans.
Group-IB identified WindRelay, a previously unseen Android near-field-communication relay malware first seen in the wild in late August 2025, deployed alongside the SpyNote RAT in a contactless payment fraud scheme. Victims are lured via personalized phishing, smishing, or vishing into sideloading an app; SpyNote's Accessibility access silently installs WindRelay, whose reader component captures live EMV APDU card data over NFC and relays it via WebSocket C2 to an emulator component at a payment terminal. The scheme enables dual monetization: RAT-driven remote access to take out digital loans and NFC relay for physical card-present cashouts, known as Ghost Tap. Twenty-three WindRelay samples uploaded to VirusTotal between November 2025 and July 2026 impersonate financial institutions in Czechia, Slovakia, and Slovenia, with the technique also spreading to Brazil and Poland.
Gigabud Uses Android App Cloning to Evade Fraud Detection
Group-IB reports the Gigabud Android banking trojan clones bank apps into isolated work profiles via the Vwork tool to evade fraud detection, with roughly $960,000 in losses in Indonesia.
Group-IB found Gigabud now ships dedicated code to work with Vwork, a weaponized fork of the open-source Android cloning app Shelter it attributes to GoldFactory, exposing cloning functions so any installed app can call them. After installing via phishing sites and messengers posing as airline, tax and government apps, operators request accessibility and overlay permissions, then clone the victim's banking app into a new work profile where it is invisible to signature-based detection in the personal profile. Fake login screens and overlays capture credentials while cloned-app transactions appear to banks as coming from an unrecognized, malware-free device. Between February and July 2026 in Indonesia, Group-IB observed about 1,469 compromised devices, 1,281 potentially compromised logins and estimated losses of roughly $960,939, with Vwork-enabled samples targeting 11 countries including Brazil, Mexico, Egypt and Thailand.