Troj/ConHook-B

Category: Viruses and Spyware
Type: Trojan
Prevalence: Small Number of Reports

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Troj/ConHook-B is a Trojan for the Windows platform.

The Trojan attempts to download and run further malicious code without the user's knowledge.

Troj/ConHook-B drops the component REQ.DLL in the Windows system folder.

The following registry entries are created to run code exported by req.dll on startup:

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\req\
DllName =
<system>\req.dll

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\req\
Impersonate =
0

The dropped file req.dll is registered as a COM object and Browser Helper Object (BHO) for Microsoft Internet Explorer, creating registry entries under:

HKCR\CLSID\[1C044AAD-7955-4CBD-8175-501A165C4E5D]

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\[1C044AAD-7955-4CBD-8175-501A165C4E5D]

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