flameshot v11.0.0 from linux mint 21.3 xfce gives 3 possible rootkits with rkhunter -c

[flyingrhinonz]

Flameshot Version

v11.0.0

Installation Type

Linux, MacOS, or Windows Package manager (apt, pacman, eopkg, choco, brew, ...)

Operating System type and version

Linux Mint 21.3

Description

Running rkhunter -c
gives 3 possible rootkits. is this supposed to happen?

Steps to reproduce

No response

Screenshots or screen recordings

install the regular (not flatpak) flameshot from the LM repo and run rkhunter -c

System Information

LM 21.3 xfce

[flyingrhinonz]

possibly because rkhunter is old, but maybe worth checking?
for comparison - chkrootkit comes out clean.