Troj/PurScan-BF is a Trojan for the Windows platform.
When run, the Trojan creates the following files
<Common Files>\Yazzle1552OinAdmin.exe
<Common Files>\Yazzle1552OinUninstaller.exe
The file Yazzle1552OinAdmin.exe is detected as Troj/PurScan-BE.
Registry entries are created under:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Outerinfo