Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Microsoft Trusted Signing service abused to code-sign malware Shedding light on the ABYSSWORKER driver VSCode Marketplace Removes Two Extensions Deploying Early-Stage…
Category: Security Affairs
FBI and DOJ seize $8.2 Million in romance baiting crypto fraud scheme
The U.S. DOJ seized over $8.2 million in USDT stolen through ‘romance baiting’ scams, where victims are tricked into fake investments promising high returns. On February 27, 2025, the U.S. Attorney’s Office in Ohio filed a civil forfeiture complaint for…
Experts warn of the new sophisticate Crocodilus mobile banking Trojan
The new Android trojan Crocodilus exploits accessibility features to steal banking and crypto credentials, mainly targeting users in Spain and Turkey. ThreatFabric researchers discovered a new Android trojan called Crocodilus, which exploits accessibility features to steal banking and crypto credentials.…
Crooks are reviving the Grandoreiro banking trojan
Grandoreiro Banking Trojan resurfaces, targeting users in Latin America and Europe in new phishing campaigns. Forcepoint X-Labs researchers warn of new phishing campaigns targeting Latin America and Europe in new phishing campaigns. The Trojan has been active since 2016, it…
Russian authorities arrest three suspects behind Mamont Android banking trojan
Russian authorities arrested three suspects for developing Mamont, a newly identified Android banking trojan. Russian authorities arrested three suspects in Saratov for developing Mamont (Russian for mammoth), a recently discovered Android banking trojan. “Three Saratov residents are suspected of fraud…
Mozilla fixed critical Firefox vulnerability CVE-2025-2857
Mozilla addressed a critical vulnerability, tracked as CVE-2025-2857, impacting its Firefox browser for Windows. Mozilla has released security updates to address a critical flaw, tracked as CVE-2025-2857, impacting its Firefox browser for Windows. Recently, Google addressed a similar vulnerability, tracked…
U.S. CISA adds Google Chromium Mojo flaw to its Known Exploited Vulnerabilities catalog
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Google Chromium Mojo flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Google Chromium Mojo sandbox escape vulnerability, tracked as CVE-2025-2783, to its Known Exploited…
Crooks target DeepSeek users with fake sponsored Google ads to deliver malware
Cybercriminals are exploiting the popularity of DeepSeek by using fake sponsored Google ads to distribute malware. While DeepSeek is rising in popularity, threat actors are attempting to exploit it by using fake sponsored Google ads to distribute malware, Malwarebytes researchers…
U.S. CISA adds Sitecore CMS and XP, and GitHub Action flaws to its Known Exploited Vulnerabilities catalog
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Sitecore CMS and XP, and GitHub Action flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added [1,2] the following vulnerabilities to its Known Exploited Vulnerabilities (KEV)…
Arkana Security group claims the hack of US telco provider WideOpenWest (WOW!)
Arkana Security, a new ransomware group, claims to have breached the telecommunications provider WideOpenWest (WOW!). The new ransomware group Arkana Security claims to have hacked US telecom provider WOW!, stealing customer data. WideOpenWest (WOW!) is a US-based telecommunications company that…
New ReaderUpdate malware variants target macOS users
New ReaderUpdate malware variants, now written in Crystal, Nim, Rust, and Go, targets macOS users, SentinelOne warns. SentinelOne researchers warn that multiple versions of the ReaderUpdate malware written in Crystal, Nim, Rust, and Go programming languages, are targeting macOS users.…
BlackLock Ransomware Targeted by Cybersecurity Firm
Resecurity found an LFI flaw in the leak site of BlackLock ransomware, exposing clearnet IPs and server details. Resecurity has identified a Local File Include (LFI) vulnerability in Data Leak Site (DLS) of BlackLock Ransomware. Cybersecurity experts were able to…
Google fixed the first actively exploited Chrome zero-day since the start of the year
Google fixed a flaw in the Chrome browser for Windows that was actively exploited in attacks targeting organizations in Russia. Google has released out-of-band fixes to address a high-severity security vulnerability, tracked as CVE-2025-2783, in Chrome browser for Windows. The flaw…
Authentication bypass CVE-2025-22230 impacts VMware Windows Tools
Broadcom addressed a high-severity authentication bypass vulnerability, tracked as CVE-2025-22230, in VMware Tools for Windows. Broadcom released security updates to address a high-severity authentication bypass vulnerability, tracked as CVE-2025-22230 (CVSS score 9.8), impacting VMware Tools for Windows. VMware Tools for…
Android malware campaigns use .NET MAUI to evade detection
Researchers warn of a new Android malware that uses .NET MAUI to mimic legit services and evade detection. McAfee researchers warn of Android malware campaigns using .NET MAUI to evade detection. These threats disguise themselves as legitimate services to steal…
Astral Foods, South Africa’s largest poultry producer, lost over $1M due to a cyberattack
Astral Foods, South Africa’s largest poultry producer, lost over $1M due to a cyberattack disrupting deliveries and impacting operations. Astral Foods is a South African integrated poultry producer and one of the country’s largest food companies. It specializes in poultry…
A cyberattack hits Ukraine’s national railway operator Ukrzaliznytsia
A cyberattack on Ukraine’s national railway operator Ukrzaliznytsia disrupted online ticket services, causing long lines at Kyiv’s station. The Record Media first reported the news of a cyber attack on Ukraine’s national railway operator Ukrzaliznytsia that disrupted online ticket services,…
Chinese APT Weaver Ant infiltrated a telco in Asia for over four years
China-linked APT Weaver Ant infiltrated the network of a telecommunications services provider for over four years. The China-linked threat actor Weaver Ant infiltrated the network of a telecom provider in Asia for over four years. During a forensic investigation, Sygnia…
Medusa ransomware uses malicious Windows driver ABYSSWORKER to disable security tools
Medusa ransomware uses a malicious Windows driver ABYSSWORKER to disable security tools, making detection and mitigation more difficult. Elastic Security Labs tracked a financially driven MEDUSA ransomware campaign using a HEARTCRYPT-packed loader and a revoked certificate-signed driver, ABYSSWORKER, to disable…
Attackers can bypass middleware auth checks by exploiting critical Next.js flaw
A critical flaw in the Next.js React framework could be exploited to bypass authorization checks under certain conditions. Maintainers of Next.js React framework addressed a critical vulnerability tracked as CVE-2025-29927 (CVSS score of 9.1) with the release of versions versions 12.3.5,…