Banking Trojan

FortiGuard Labs identified an ongoing Ousaban banking Trojan campaign targeting users in Spain and Portugal, delivered via phishing PDFs that redirect victims to geofenced malicious webpages. The attack chain involves a VBS script extracting a ZIP payload from a steganographic image, with the final Ousaban EXE establishing persistence via registry Run keys and communicating with C2 servers resolved through daily-changing DDNS hostnames. The malware targets over 25 Spanish and Portuguese financial institutions and employs a custom encryption algorithm shared with the Casbaneiro family to evade detection.

2026-06-186 minZscaler ThreatLabzhigh

ThreatLabz identified a ClickFix campaign utilizing AI-generated typosquatting domains to impersonate Brazilian banks and deliver a PowerShell-based banking RAT dubbed SmartRAT. The malware establishes persistence via scheduled tasks or Windows services, communicates over a custom TCP protocol on port 51888, and features advanced capabilities including keylogging, fake banking overlays, and QR code interception for financial fraud.

2026-05-196 minTrend Microhigh

Trend Micro MDR analyzed Banana RAT, a sophisticated banking trojan operated by SHADOW-WATER-063 targeting Brazilian financial institutions. The malware utilizes a server-side polymorphic build pipeline to deliver unique, AES-encrypted PowerShell payloads that execute filelessly in memory. Once active, it enables operator-driven fraud through remote input control, keylogging, deceptive banking overlays, and a specialized Pix QR code interception subsystem.

In Q1 2026, mobile banking Trojans saw a significant surge, with Mamont variants driving a 50% increase in malicious installation packages. Additionally, a sophisticated new variant of the SparkCat crypto stealer was identified in official app stores, employing custom virtual machines and OCR techniques to compromise both Android and iOS users.

2026-05-137 minElastic Security Labshigh

Elastic Security Labs identified TCLBANKER, a new Brazilian banking trojan distributed via DLL sideloading that features robust anti-analysis mechanisms and environment-gated payload decryption. The malware deploys a full-featured banking trojan with a WPF-based social engineering overlay framework, alongside worm modules that self-propagate by hijacking WhatsApp Web sessions and Microsoft Outlook accounts.

2026-05-136 minANY.RUNcritical

A new phishing campaign targets Brazilian users with fake judicial summons to deliver agenteV2, a Nuitka-compiled interactive banking trojan. The malware establishes a persistent WebSocket backdoor for live screen streaming and remote shell access, enabling attackers to conduct real-time, operator-assisted financial fraud.

2026-05-134 minESEThigh

ESET researchers identified a new variant of the NGate Android malware that trojanizes the legitimate HandyPay application to facilitate NFC relay attacks and steal payment card PINs. Targeting users in Brazil through social engineering and fake app stores, the malware allows attackers to conduct unauthorized ATM cash-outs while requiring no suspicious device permissions.

2026-05-135 minRecorded Futurehigh

In 2025, the Latin America and the Caribbean (LAC) region faced escalating cybercriminal activity driven by rapid digital adoption and economic instability. Threat actors heavily utilized Telegram and dark web forums to distribute ransomware, banking trojans, and infostealers, increasingly targeting the healthcare, manufacturing, and government sectors while adapting to law enforcement disruptions.