libprofiler.so.0这个文件应该安装在 /usr/local/lib 或 /usr/lib. Copying it to the same directory where your binary resides is useless (as you've already discovered).

使用下面命令来刷新共享目录缓存
/sbin/ldconfig
Setting LD_LIBRARY_PATH should not be necessary (unless you have very non-standard glibc installation).