Troj/Mdrop-BRO is a Trojan for the Windows platform.
When Troj/Mdrop-BRO is installed it creates the file
<Common Files>\Microsoft Shared\msinfo\TaskUpdate.exe.
The following registry entry is created to run TaskUpdate.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce
Config
<Common Files>\Microsoft Shared\MSInfo\TaskUpdate.exe