The name implies version 8.8.1 , which is an older or specific build of the software.
Our performance analysis of Betternet VPN Premium 8.8.1.1322-jhgf.7z reveals: Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z
– Files from unofficial sources that claim to unlock premium features of VPNs (like Betternet) often contain malware, adware, spyware, or browser hijackers. Even a “write‑up” that describes the file’s contents or installation could mislead someone into running it. The name implies version 8