Troj/Dloader-AD is a Trojan which could download and executes
files from internet.
The Trojan is registered on the infected system as a COM object
with a CLSID of 97C61CB3-DB96-4ACF-a369-FAE81FB74267.
It will register itself as a hidden toolbar button with name
"Microsoft JavaScript Console" that opens an explorer bar in
IE 5.0 or above.
When triggered, it will attemp to download from internet into a temporary file in
the Internet cache folder and then execute the downloaded file. Then it will
attempt to delete the temporary file.
Removing the Trojan requires unregistering the COM server prior to deleting
the file by running regsvr32 /u command.