Troj/Bifrose-CW is a backdoor Trojan for the Windows platform.
Troj/Bifrose-CW contains functionality to monitor users' activities. The Trojan may inject its code into a running process in order to hide from the user.
When first run Troj/Bifrose-CW copies itself to <System>\QuickUpdate.exe.
The following registry entries are created to run QuickUpdate.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
QuickTimeUpdate
<Path of the Trojan>
HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce
QuickTimeUpdate
<Path of the Trojan>
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
QuickTimeUpdate
<Path of the Trojan>