Brazil probes emergency warning system after nationwide rogue alert

The Brazilian National Secretariat for Civil Protection and Defense (SEDEC) and Federal Police (PF) are investigating a suspected hack of the country’s emergency alert system after an unauthorized “extreme” alert pinged devices across the country. Defesa Civil Nacional confirmed that Read More …

BeatBanker: A dual‑mode Android Trojan

Recently, Kaspersky researchers uncovered BeatBanker, an Android‑based malware campaign targeting Brazil. It spreads primarily through phishing attacks via a website disguised as the Google Play Store. To achieve their goals, the malicious APKs carry multiple components, including a cryptocurrency miner Read More …

Shai Hulud 2.0, now with a wiper flavor

In September, a new breed of malware distributed via compromised Node Package Manager (npm) packages made headlines. It was dubbed “Shai-Hulud”, and Kaspersky published an in-depth analysis of it in another post. Recently, a new version was discovered. Shai Hulud Read More …

Unraveling Water Saci’s New Multi-Format, AI-Enhanced Attacks Propagated via WhatsApp

Brazil has seen a recent surge of threats delivered via WhatsApp. As observed in Trend Micro previously published research on the SORVEPOTEL malware and the broader Water Saci campaignopen on a new tab, this popular platform has been used to Read More …

Active Water Saci Campaign Spreading Via WhatsApp Features Multi-Vector Persistence and Sophisticated C&C

Trend Research is continuously tracking the aggressive malware campaign it identified as Water Saci, which uses WhatsApp as its primary infection vector. In our previous blog, the Water Saci campaign, with its malware identified as SORVEPOTEL, automatically distributes the same Read More …

Maverick: a new banking Trojan abusing WhatsApp in a mass-scale distribution

A malware campaign was recently detected in Brazil, distributing a malicious LNK file using WhatsApp. It targets mainly Brazilians and uses Portuguese-named URLs. To evade detection, the command-and-control (C2) server verifies each download to ensure it originates from the malware Read More …

Self-Propagating Malware Spreading Via WhatsApp, Targets Brazilian Users

Trend Research is currently investigating an aggressive malware campaign that leverages online instant messaging platform WhatsApp as its primary infection vector. Unlike traditional attacks focused on theft or ransomware, this campaign is engineered for speed and propagation, abusing social trust Read More …

Evolution of the PipeMagic backdoor: from the RansomExx incident to CVE-2025-29824

In April 2025, Microsoft patched 121 vulnerabilities in its products. According to the company, only one of them was being used in real-world attacks at the time the patch was released: CVE-2025-29824. The exploit for this vulnerability was executed by Read More …

Cyberattack on Brazil tech provider affects reserve accounts of some financial institutions

Brazil’s central bank said on Wednesday that technology services provider C&M Software, which serves financial institutions lacking connectivity infrastructure, had reported a cyberattack on its systems. The bank did not provide further details of the attack, but said in a Read More …

Earth Lamia Develops Custom Arsenal to Target Multiple Industries

Trend Micro researchers have been tracking an active intrusion set that primarily targets organizations located in countries including Brazil, India, and Southeast Asia since 2023. The threat actor mainly targets the SQL injection vulnerabilities discovered on web applications to access Read More …