Sophos

Troj/ConHook-H

Aliases
  • Adware-Virtumundo
  • TROJ_CONHOOK.B
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from May 2006 (4.05)
Protection available since 4 April 2006 22:19:57 (GMT)
Detected by All Sophos products

Action

More Information

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

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

When Troj/ConHook-H is installed the following files are created:

<Windows system folder>\awvvv.dll

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

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\awvvv
DllName
awvvv.dll

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\awvvv
Impersonate
0

The file awvvv.dll is registered as a COM object and ShellExecute hook, creating registry entries under:

HKCR\CLSID\{8E13DDE1-E013-47ec-9C4C-27C2F78BDD26}
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellExecuteHooks\
{8E13DDE1-E013-47ec-9C4C-27C2F78BDD26}

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