Troj/Blockey-A is a Trojan for the Windows platform.
Troj/Blockey-A blocks keyboard and mouse input events from reaching applications by calling BlockInput function.
When first run Troj/Blockey-A moves itself to <System>\config\explorer.exe.
The following registry entry is created to run Troj/Blockey-A on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
explorer
<System>\config\explorer.exe