Sophos

Troj/Favadd-H

Aliases
  • Trojan.Win32.Favadd.o
  • AdClicker-CT
  • TROJ_FAVAD
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from August 2005 (3.96)
Protection available since 2 July 2005 15:20:04 (GMT)
Detected by All Sophos products

Action

Please follow the instructions for removing Trojans.

You should also check your Internet Explorer settings using Tools|Internet options|General for any modifications made by the Trojan.

Windows NT/2000/XP/2003

In Windows NT/2000/XP/2003 you will also need to edit the following registry entry. The removal of this entry is optional in Windows 95/98/Me. Please read the warning about editing the registry.

At the taskbar, click Start|Run. Type 'Regedit' and press Return. The registry editor opens.

Before you edit the registry, you should make a backup. On the 'Registry' menu, click 'Export Registry File'. In the 'Export range' panel, click 'All', then save your registry as Backup.

Locate the HKEY_LOCAL_MACHINE entry:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
sfita
<Windows>\sfita.exe

and delete it if it exists.

Close the registry editor.

More Information

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

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

Troj/Favadd-H creates the following registry entry with the intention of running the Trojan on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
sfita
<Windows>\sfita.exe

The Trojan does not copy itself to this location so the startup entry will only work if the Trojan was originally created at this location.

Troj/Favadd-H changes the Start Page for Microsoft Internet Explorer by setting the registry entry:

HKCU\Software\Microsoft\Internet Explorer\Main\Start Page

Troj/Favadd-H creates several folder entries in the current user's favorites folder. The new entries are intended for storing pornographic bookmarks for Internet Explorer.

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