They are both legit. The lite version just has to follow the new v3 manifest rule where it cannot update its block lists independently from full extension updates. This effectively puts a significant delay in the ability of uBO Lite to block new ads/threats, among other small changes that neuter the traditional uBO experience.
uBlock Origin is legit. The other has a non-zero chance of being malware.
They are both legit. The lite version just has to follow the new v3 manifest rule where it cannot update its block lists independently from full extension updates. This effectively puts a significant delay in the ability of uBO Lite to block new ads/threats, among other small changes that neuter the traditional uBO experience.