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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 …
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 …
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 …
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 …
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 …
More than a decade ago, researchers at antivirus company Kaspersky identified suspicious internet traffic of what they thought was a known government-backed group, based on similar targeting and its phishing techniques. Soon, the researchers realized they had found a much Read More …
In a recent incident response case in Brazil, we dealt with a relatively simple, yet very effective threat focused on Linux environments. Outlaw (also known as “Dota”) is a Perl-based crypto mining botnet that typically takes advantage of weak or Read More …
Over the past month, FortiGuard Labs has identified several similar LNK files containing PowerShell commands designed to execute malicious scripts and connect to remote servers. These files are part of multi-stage operations that ultimately deliver the Coyote Banking Trojan. This Read More …
Grandoreiro is a well-known Brazilian banking trojan — part of the Tetrade umbrella — that enables threat actors to perform fraudulent banking operations by using the victim’s computer to bypass the security measures of banking institutions. It’s been active since Read More …
A judge in Brazil has blocked Starlink’s bank accounts in the country amid a deepening dispute with X. The move comes as the same Supreme Court judge has threatened to shut down X in the country, and is a direct Read More …