Gremlin Stealer: New Stealer on Sale in Underground Forum

Unit 42 researchers have identified new information-stealing malware written in C#, called Gremlin Stealer. This stealer’s authors have actively advertised it on a Telegram group since mid-March 2025. This information-stealing malware exfiltrates data from its victims and uploads this information Read More …

Outlaw cybergang attacking targets worldwide

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 …

FOG Ransomware Spread by Cybercriminals Claiming Ties to DOGE

During trend Micro researchers monitoring of the ransomware threat landscape, they discovered samples with infection chain characteristics and payloads that can be attributed to FOG ransomware. A total of nine samples were uploaded to VirusTotal between March 27 and April Read More …

Lumma Stealer – Tracking distribution channels

The evolution of Malware-as-a-Service (MaaS) has significantly lowered the barriers to entry for cybercriminals, with information stealers becoming one of the most commercially successful categories in this underground economy. Among these threats, Lumma Stealer has emerged as a particularly sophisticated Read More …

New Rust Botnet “RustoBot” is Routed via Routers

FortiGuard Labs recently discovered a new botnet propagating through TOTOLINK devices. Unlike previous malware targeting these devices, this variant is written in Rust—a programming language introduced by Mozilla in 2010. Due to its Rust-based implementation, we’ve named the malware “RustoBot.” Read More …

Phishing attacks leveraging HTML code inside SVG files

With each passing year, phishing attacks feature more and more elaborate techniques designed to trick users and evade security measures. Attackers employ deceptive URL redirection tactics, such as appending malicious website addresses to seemingly safe links, embed links in PDFs, Read More …

Google Confirms Gmail Warning – 3 Billion Users Must Now Act

Google has confirmed another attack on Gmail users that combines inherent vulnerabilities in the platform with devious social engineering. The net result is a flurry of headlines and viral social media posts followed by an urgent platform update. Google’s security Read More …