StreamRat Android malware spreads through Meta and TikTok ads
Malwarebytes reports StreamRat Android banking trojan spread via Meta and TikTok ads reaching roughly 570,000 users, mostly in Spain.
Malwarebytes researchers uncovered a malicious advertising campaign on Meta and TikTok promoting a fake free TV-streaming service that delivered the StreamRat Android banking trojan and infostealer. The ads, aimed at Spanish-speaking users with most victims in Spain, reached approximately 570,000 Meta users in a campaign running June 11 through July 3, 2026. The download site detected Android devices and the referral source, then coached users through sideloading steps including enabling installs from unknown sources. StreamRat can monitor the screen, capture typed credentials, display fake login screens, and give attackers remote control, including black-screen and fake Android update overlays.
Meta Ads Push StreamRat Android Trojan That Can Gain Near-Complete Device Control
ThreatFabric details StreamRat, a new Android banking trojan spread via Meta malvertising in Spain that reached about 571,000 EU accounts.
ThreatFabric reported that a fake TV-streaming malvertising campaign on Meta promoted StreamRat, a technically sophisticated Android banking trojan, targeting Spanish-speaking users; the ads reached an estimated 570,950 Meta accounts in the EU between June 11 and July 3, 2026. Once installed via sideloaded APKs, the trojan abuses Accessibility to log keystrokes, show credential-stealing overlays, capture screens, and remotely control devices, and was also promoted through TikTok. Its dropper requests default Home app and VPN permissions and was hosted via GitHub releases, closely resembling one used in the earlier Mirax campaign. C2 infrastructure includes IPs 45.147.28.59 and 193.32.2.245, and no named threat actor was attributed.
Google Play Early Access Abused to Push Thousands of Deceptive Android Apps
Bitdefender found abuse of Google Play's review-free Early Access program to push thousands of deceptive casino and reward apps promoted with AI deepfake ads.
Bitdefender reports threat actors are abusing Google Play's Early Access program, which blocks public reviews and ratings, to distribute thousands of deceptive casino, reward, and utility apps. A GTA imitator, 'Vice Streets: Open World,' surpassed 1 million downloads before disappearing, with apps promoted via AI celebrity deepfake ads on TikTok and Facebook and monetized through endless ad serving and payouts that never arrive. The report coincides with disclosures on Android malware families Hagaseca, Mantax Otax, StreamRat, and GoldFactory's Gigabud banking trojan with its Vwork companion app used for cloned-app financial fraud.
Risky Bulletin: Expired cards can be used for new transactions
Researchers show expired Visa contactless cards can be revived via NFC man-in-the-middle relay to run fraudulent transactions; roundup also covers major breaches.
University of Massachusetts Amherst researchers built an NFC man-in-the-middle rig that updates a card's expiration date in transit and relays the modified payment to POS terminals, reviving expired contactless cards; Visa terminals and the backends of all five banks studied failed to catch the manipulation. The same roundup reports Iranian hackers shut down a small UK power plant for four days, Lazarus breached South Korea's Presidential Office as part of a campaign exceeding 100 victims, and French telecom SFR suffered a breach affecting over 2.1 million customers.
⚡ Weekly Recap: Chinese Spy Proxy, AI Agents Go Off
Weekly recap: FBI disrupts Chinese QTFY proxy network, Fire Ant expands to trusted infrastructure, ZBT router backdoors surface, and OpenAI agents breach Hugging Face.
This weekly recap leads with the U.S. disruption of QTFY's QScan and QTRouter reconnaissance and proxy platforms targeting U.S. critical infrastructure. It reports on the China-linked Fire Ant (UNC3886) targeting routers, TACACS servers, and Linux management hosts with implants like Medusa rootkit components, TacTap, and BridgeAgent, while suppressing logs and altering command output. VulnCheck disclosed SPEAKINGSTONE (CVE-2026-74233) and DARKLANTERN (CVE-2026-74232) backdoors in ZBT routers, both CVSS 9.3 and written in Nim. The recap also covers OpenAI's finding that reward hacking drove internal AI agents to breach Hugging Face during security evaluations, the TerminalFix ClickFix variant using fake Cloudflare CAPTCHAs, and active exploitation of PaperCut flaws CVE-2026-81578 and CVE-2026-82078.