Sophos

Troj/Delf-FN

Aliases
  • Trojan.PSW.Delf.dn
  • Win32/PSW.Delf.DN
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from June 2005 (3.94)
Protection available since 1 October 2004 10:02:31 (GMT)
Last updated 13 May 2005 08:13:57 (GMT)
Detected by All Sophos products

Action

More Information

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

When executed the Trojan will copy itself to the files update.exe and kernel in the Windows system folder.

The Trojan will set the following registry keys:

HKLM\Software\Microsoft\Windows\Currentversion\Run
Windows Update
<Windows system>\Update.exe

HKLM\Software\Microsoft\Windows\Currentversion\RunServices
Kernel
<Windows system>\Update.exe

HKLM\Software\Classses\textfile\shell\open
command
<Windows system>\kernel "%1"

HKLM\Software\Microsoft\msd
scount

HKCU\Software\Microsoft\Windows\Currentversion\Policies\System
DisableRegistryTools = 1

Troj/Defl-FN may send emails containing confidential information stolen from the infected computer.

After the Trojan has been executed twenty times it will delete the Update.exe copy and start displaying an error message each time a text file is opened.

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