Malware

June 16, 2026

Since late 2025, malware has been spreading rapidly through the Steam Workshop, the gaming platform’s built-in service for players to create and share custom content. The attackers are primarily targeting gamers in China and Russia, aiming to hijack their accounts. To pull this off, they are exploiting Wallpaper Engine – a popular live wallpaper app ...

June 10, 2026

Short-form video platforms like TikTok and Instagram Reels have become the latest way cybercriminals spread malware. We’ve already seen attackers move away from traditional phishing emails and toward tactics that trick people into installing malware themselves. Now they’re being lured with slick social media videos that promise free Spotify Premium, free Windows activation, or free Microsoft Office, but ...

June 4, 2026

During review work related to an AppEsteem Windows Certified Application test, Sophos X-Ops recently identified an unexpected executable delivered alongside Hola Browser (version 1.251.91.0). The executable, me.exe, was not listed as a certified component, and appears to be a crypto-miner. After the issue was reported through the certification program, Hola reported that they had fixed their delivery pipeline, removing the condition that ...

June 2, 2026

Palo Alto Unit 42 are tracking an increasingly widespread malvertising campaign targeting macOS. This campaign appears to be the next stage of a previous campaign known as JSCoreRunner, which was first identified in August 2025. In recent months, the financially-motivated attackers behind these campaigns transitioned from delivering standard adware, to delivering adware with full backdoor ...

May 13, 2026

Attackers do not need to break into the front door when they can convince employees to open it for them through the tools they already trust. In April 2026, Rapid7 investigated an enterprise intrusion that began with a Microsoft Teams message from a fake “IT Support” account and quickly escalated into a full compromise chain involving ...

May 12, 2026

An attacker has published 84 malicious versions of official TanStack npm packages, with the impact including credential theft, self-propagation, and complete disk wipe of an infected host. The attack is part of a wave of attacks across npm and PyPI, continuing the Mini Shai-Hulud campaign. Supply chain security company Socket reports that other compromised packages include the OpenSearch client, Mistral ...

May 8, 2026

There’s a mysterious framework worming its way through exposed cloud instances removing all traces of TeamPCP infections, but it’s not benevolent by a long shot: Whoever is behind this bit of malware may be cleaning up who came before, but only so they can take their place. Discovered by security outfit SentinelOne’s SentinelLabs researchers and dubbed PCPJack ...

May 4, 2026

In previous research, Trend Micro have demonstrated how AI can be used to improve detection accuracy when new malware families emerge, particularly those that reuse or share code from open-source repositories. In this blog entry, Trends Micro researchers present another compelling finding from the same approach. Trend Micro platform recently flagged an unusual Linux implant with ...

April 30, 2026

In December 2025, Kaspersky researchers detected a wave of malicious emails designed to look like official correspondence from the Indian tax service. A few weeks later, in January 2026, a similar campaign began targeting Russian organizations. Kaspersky have attributed this activity to the Silver Fox threat group. Both waves followed a nearly identical structure: phishing emails ...

April 24, 2026

Infosec outfit SentinelOne found malware that tries to induce errors in engineering and physics simulation software and therefore represents an attempt at sabotage, and suggests it was created years before the Stuxnet worm that aimed to destroy Iran’s uranium enrichment centrifuges. The company’s Vitaly Kamluk discussed the malware in a talk at the Black Hat Asia ...