Troj/Torpig-AT is a Trojan for the Windows platform.
When Troj/Torpig-AT is installed the following files are created:
<Common Files>\Microsoft Shared\Web Folders\ibm00001.dll
<Common Files>\Microsoft Shared\Web Folders\ibm00001.exe
<Common Files>\Microsoft Shared\Web Folders\ibm00002.dll
<Common Files>\Microsoft Shared\Web Folders\ibm00003.exe
The following registry entry is created to run ibm00001.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
shell
<Common Files>\Microsoft Shared\Web Folders\ibm00001.exe
The following registry entry is changed to run ibm00001.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Shell
explorer.exe <many spaces> "<Common Files>\Microsoft Shared\Web
Folders\ibm00001.exe"
(The default value for this registry entry is "Explorer.exe" which causes the Microsoft file <Windows folder>\Explorer.exe to be run on startup.)