What is a stealth virus and how does it work?

<p>A stealth virus is a computer <a href=”https://www.techtarget.com/searchsecurity/definition/virus”>virus</a> that uses various mechanisms to avoid detection by <a href=”https://www.techtarget.com/searchsecurity/definition/antivirus-software”>antivirus software</a>. It takes its name from the term <i>stealth</i>, which describes an approach to doing something while avoiding notice.</p> <div class=”ad-wrapper ad-embedded”>…

New Malvertising Campaign Exploits GitHub Repositories to Distribute Malware

A sophisticated malvertising campaign has been uncovered targeting unsuspecting users through “dangling commits” in a legitimate GitHub repository. Attackers are injecting promotional content for a counterfeit GitHub Desktop installer into popular development and open-source projects. When users download what appears…

New Malware Abuses Azure Functions to Host Command and Control Infrastructure

A malicious ISO image named Servicenow-BNM-Verify.iso was uploaded to VirusTotal from Malaysia with almost no detections. The image contains four files—two openly visible and two hidden. The visible files include a Windows shortcut, servicenow-bnm-verify.lnk, which launches PanGpHip.exe, a legitimate Palo…

Samsung fixed actively exploited zero-day

Samsung fixed the remote code execution flaw CVE-2025-21043 that was exploited in zero-day attacks against Android devices. Samsung addressed the remote code execution vulnerability, tracked as CVE-2025-21043, that was exploited in zero-day attacks against Android users. The vulnerability is an…