Sophos

Troj/Nailuj-A

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from February 2007 (4.14)
Protection available since 9 January 2007 11:16:38 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Nailuj-A is a Trojan for the Windows platform.

Troj/Nailuj-A includes functionality to access the internet and communicate with a remote server via HTTP and steal information.

When Troj/Nailuj-A is installed the following files are created:

<Windows>\lib - harmless, may be deleted
<Windows>\stdie.dll - detected as Troj/Nailuj-A
<System>\VideoAti0.dll - detected as Troj/Nailuj-A
<System>\VideoAti0.exe - detected as Troj/Nailuj-A
<System>\comctl3.srg - harmless, may be deleted
<System>\delself.bat - harmless, may be deleted
<System>\drivers\VideoAti0.sys - detected as Troj/NTRootK-BC

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

HKCR\CLSID\(A3803141-3CF5-4D66-B7EA-8D2674FE152C)
HKCR\Interface\(13D90754-C6BC-4C7E-9E9E-399C211136EF)
HKCR\TypeLib\(9FD6C9E2-54F8-48A9-BEF6-964F9C221AE4)
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\(A3803141-3CF5-4D66-B7EA-8D2674FE152C)

Registry entries are set as follows:

HKCR\Gogo.IEhlprObj.1\CLSID
(default)
(A3803141-3CF5-4D66-B7EA-8D2674FE152C)

HKCR\Gogo.IEhlprObj\CLSID
(default)
(A3803141-3CF5-4D66-B7EA-8D2674FE152C)

Registry entries are created under:

HKCR\Gogo.IEhlprObj

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