Sophos

Troj/Proxma-A

Aliases
  • Backdoor.Win32.Padodor.ax
  • BackDoor-AXJ
  • Backdoor.Berbew.T
  • BKDR_BERBEW.AA
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from October 2005 (3.98)
Protection available since 2 September 2005 20:28:55 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Proxma-A is a proxy and backdoor Trojan for the Windows platform.

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

When first run Troj/Proxma-A copies itself to <System>\<random letters>.exe and creates the file <System>\<random letters>.dll. The DLL is used to automatically run the Trojan.

The following registry entry is created to run code exported by the worm library on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad
Internet Explorer
{F28A40D7-AD0E-034A-C651-5F0ED76232E6}

The DLL is registered as a COM object, creating registry entries under:

HKCR\CLSID\{F28A40D7-AD0E-034A-C651-5F0ED76232E6}

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