Troj/Mdrop-CTW is a Trojan for the Windows platform.
Troj/Mdrop-CTW includes functionality to run automatically and access the internet and communicate with a remote server via HTTP.
Troj/Mdrop-CTW communicates via HTTP with the following locations:
irs . gov
91 . 216 . 122 . 60
When Troj/Mdrop-CTW is installed the following files are created:
<Windows>\inf\AcroIEHelper.dll
<Windows>\inf\alg.exe
The file alg.exe is registered as a new service named "WSALG2", with a display name of "Application Layer Gateway Service2". Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\WSALG2
The file AcroIEHelper.dll is registered as a COM object and Browser Helper Object (BHO) for Microsoft Internet Explorer, creating registry entries under:
HKCR\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}
Registry entries are created under:
HKLM\SOFTWARE\Microsoft\DownloadManager