When you need a second opinion about a file that you think is malware, then online Malware scanners come in handy. And it is even better if the online scanner uses multiple antiviruses to scan a file.

On Windows 11, the Microsoft Defender Antivirus provides real-time protection for malware (such as viruses, ransomware, ...

If you share files on Linux, you should consider an AV tool. If you happen upon questionable URLs, you can scan them first. Lenspect is a free Linux tool for both of those purposes. Linux, in and of ...