We have already seen a handful of zero-day vulnerabilities being exploited in the wild this year. These vulnerabilities have affected users globally leaving both individuals and organizations scrambling to protect their computers. While this does become tiring, this is not the time to rest or become complacent, especially for those using the Japanese word processor software, Ichitaro.
...
Symantec proactively detects the archive file that contains the files used in this attack as Bloodhound.Exploit.489. The malicious DLL is detected as either Trojan Horse or Backdoor.Trojan. To protect against this exploit, download the patch from JustSystems and make sure your security software is up to date.
Blog: Ichitaro Vulnerability: Another Zero-Day Exploit In-The-Wild