If you weren't expecting a video from the sender—or if the sender is a stranger—the file is dangerous.
If you already opened it, immediately run a full scan with a reputable antivirus like Malwarebytes or Microsoft Defender .
If you want to share holiday videos safely, use trusted platforms like YouTube , Vimeo , or Google Drive where the service can scan the file for viruses before you view it. video_x-mas.7z
These are sophisticated banking Trojans that steal login credentials and can lead to ransomware infections.
A genuine high-quality video is usually quite large. If the .7z file is only a few hundred kilobytes or a few megabytes, it likely contains a script or a small executable, not a video. If you weren't expecting a video from the
This is a compressed archive format created by the program 7-Zip. It is used to bundle multiple files together and reduce their size. Because archives can hide the true nature of the files inside, hackers often use them to bypass basic email security filters.
Historically, files named similarly to "video_x-mas.7z" have been used to deliver various types of malicious software: These are sophisticated banking Trojans that steal login
Avoid double-clicking the archive or extracting its contents.