- Malicious Packages Across Open-Source Registries: Detection Statistics and Trends (Q2 2025)
August 4, 2025
In this previous blog, Fortiguard Labs highlighted a growing trend in the use of open source software (OSS) repositories as channels for malware distribution in supply chain security. With the continued reliance on third-party packages in development workflows, threat actors are increasingly exploiting vulnerabilities in the open-source ecosystem to propagate malicious code, exfiltrate data, and cause ...
- Gunra Ransomware Group Unveils Efficient Linux Variant
July 29, 2025
Gunra ransomware was first observed in April 2025 in a campaign that targeted Windows systems using techniques inspired by the infamous Conti ransomware. Trend Micror monitoring of the ransomware landscape revealed that threat actors behind Gunra have expanded with a Linux variant, signaling a strategic move toward cross-platform targeting. The novel ransomware group has already made ...
- Endgame Gear warns mouse config tool has been infected with malware
July 29, 2025
Gaming kit maker Endgame Gear has confirmed it was the victim of a supply chain attack which saw unidentified threat actors break into its website and replace a legitimate configuration tool with a trojanized version containing malware. In an announcement posted on the company’s website, it said on June 26 2025, someone managed to replace a ...
- GhostContainer backdoor: Malware compromising Exchange servers of high-value organizations in Asia
July 17, 2025
In a recent incident response (IR) case, Kaspersky researchers discovered highly customized malware targeting Exchange infrastructure within government environments. Analysis of detection logs and clues within the sample suggests that the Exchange server was likely compromised via a known N-day vulnerability. Kaspersky in-depth analysis of the malware revealed a sophisticated, multi-functional backdoor that can be dynamically ...
- Amatera Stealer: Rebranded ACR Stealer With Improved Evasion, Sophistication
July 16, 2025
Proofpoint has been closely monitoring a stealer malware formerly known as ACR Stealer. In 2025, Proofpoint analysts identified a new, unnamed malware exhibiting significant code overlap, shared features, and capabilities with ACR Stealer. Further investigation revealed that ACR Stealer was significantly updated and rebranded as Amatera Stealer. While Amatera Stealer retains the core of its predecessor, ...
- Batavia spyware steals data from Russian organizations
July 7, 2025
Since early March 2025, our systems have recorded an increase in detections of similar files with names like договор-2025-5.vbe, приложение.vbe, and dogovor.vbe (translation: contract, attachment) among employees at various Russian organizations. The targeted attack begins with bait emails containing malicious links, sent under the pretext of signing a contract. The campaign began in July 2024 and ...
- NordDragonScan: Quiet Data-Harvester on Windows
July 7, 2025
FortiGuard Labs recently uncovered an active delivery site that hosts a weaponized HTA script and silently drops the infostealer “NordDragonScan” into victims’ environments. Once installed, NordDragonScan examines the host and copies documents, harvests entire Chrome and Firefox profiles, and takes screenshots. The package is then sent over TLS to its command-and-control server, “kpuszkiev.com,” which also serves ...
- macOS NimDoor, DPRK Threat Actors Target Web3 and Crypto Platforms with Nim-Based Malware
July 2, 2025
In April 2025, Huntabil.IT observed a targeted attack on a Web3 startup, attributing the incident to a DPRK threat actor group. Several reports on social media at the time described similar incidents at other Web3 and Crypto organizations. Analysis revealed an attack chain consisting of an eclectic mix of scripts and binaries written in AppleScript, C++ ...
- Windows Shortcut (LNK) Malware Strategies
July 2, 2025
Attackers are increasingly exploiting Windows shortcut (LNK) files for malware delivery. Palo Alto Unit 42 telemetry revealed 21,098 malicious LNK samples in 2023, which surged to 68,392 in 2024. In this article, Unit 42 researchers present an in-depth investigation of LNK malware, based on analysis of 30,000 recent samples. Windows shortcut files use the .lnk file ...
- SparkKitty, SparkCat’s little brother: A new Trojan spy found in the App Store and Google Play
June 23, 2025
In January 2025, Kaspersky researchers uncovered the SparkCat spyware campaign, which was aimed at gaining access to victims’ crypto wallets. The threat actor distributed apps containing a malicious SDK/framework. This component would wait for a user to open a specific screen (typically a support chat), then request access to the device’s gallery. It would then use ...