Hi @claudiubotezatu,
We are very sorry for the late response.
The reason that Trend Micro's score is low compared to other Antivirus in the AV Comparatives is that the samples used in the AV Comparatives Malware Protection Test include both recent in-the-wild malware and also aging malware that has not been seen in the last 6 months and older. Those missed samples are inactive or dormant in-the-wild malware which has been dropped from our detection patterns.
With this said, we are more focused on real user detection whereas the AV Comparatives Malware Protection Test focuses on malware protection.
Hope this helps!