Why am I seeing a heart ♥ after the ping command? I'm running the command below over an ssh connection in ConEmu, if that changes anything. Is this expected or have I been hacked in some fashion? Pinging on other shells, non-Ubuntu shells, (git-bash) doesn't do this.

$> ping mail.google.com

PING googlemail.l.google.com (74.125.196.18) 56(84) bytes of data.

64 bytes from yk-in-f18.1e100.net (74.125.196.18): icmp_req=1 ttl=46 time=0.991 ms

64 bytes from yk-in-f18.1e100.net (74.125.196.18): icmp_req=2 ttl=46 time=1.00 ms

64 bytes from yk-in-f18.1e100.net (74.125.196.18): icmp_req=3 ttl=46 time=0.993 ms

64 bytes from yk-in-f18.1e100.net (74.125.196.18): icmp_req=4 ttl=46 time=1.06 ms

64 bytes from yk-in-f18.1e100.net (74.125.196.18): icmp_req=5 ttl=46 time=0.957 ms

64 bytes from yk-in-f18.1e100.net (74.125.196.18): icmp_req=6 ttl=46 time=1.04 ms

64 bytes from yk-in-f18.1e100.net (74.125.196.18): icmp_req=7 ttl=46 time=1.01 ms

♥

--- googlemail.l.google.com ping statistics ---

7 packets transmitted, 7 received, 0% packet loss, time 6007ms

rtt min/avg/max/mdev = 0.957/1.008/1.064/0.050 ms