Developers are also moving away from .rar toward .7z (better compression) or self-extracting .exe (easier for novices). However, the .rar format remains popular due to widespread compatibility.

Scans of real-world AIO210.rar type files on VirusTotal show 30–45% detection rate for Trojans, infostealers, and backdoors. Even if your antivirus doesn’t catch it, the payload may activate weeks later.