In order resolve the above library issue please execute the following command as root user:
ln -s /usr/local/apps/lib/libssl.so.1.0.0 /usr/lib64/
ln -s /usr/local/apps/lib/libcrypto.so.1.0.0 /usr/lib64/
After executing the above commands, restart the Pure-Ftpd service using the following command:
service pure-ftpd restart