Untrusted search path vulnerability in the installer of Houkokusyo Sakusei Shien Tool ver3.0.2 (For the first installation) (The version which was available on the website from 2017 April 4 to 2017 May 18) and ver2.0 and later (For the first installation) (The versions which were available on the website prior to 2017 April 4) allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.