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Troj/Delf-PB

Aliases
  • Trojan-Dropper.Win32.Delf.pb
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Drops more malware
  • Installs itself in the registry
Protection available since 8 December 2005 03:18:45 (GMT)
Detected by All Sophos products
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Action

More Information

Troj/Delf-PB is a Trojan for the Windows platform.

The Trojan contains functionality to drop more malware and access the Internet.

When Troj/Delf-PB is installed the following files are created:

<System>\birdihuy.dll
<System>\birdihuy32.dll
<System>\exeha2.exe
<System>\exeha3.exe

Birdihuy.dll is a harmless data file. Birdihuy32.dll and exeha2.exe are detected as Troj/Delf-PB. Exeha3.exe is detected by Sophos's anti-virus products as Troj/Krepper-W.

Troj/Delf-PB changes settings for Microsoft Internet Explorer by modifying values under:

HKCU\Software\Microsoft\Internet Explorer\Security\

The following registry entry is set:

HKCU\Software\Classes\CLSID\ (F33812FB-F35C-4674-90F6-FD757C419C51)\InProcServer32
(default)
<System>\birdihuy32.dll

Registry entries are created under:

HKCU\Software\Classes\CLSID\ (F33812FB-F35C-4674-90F6-FD757C419C51)\InProcServer32\

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