Sophos

Troj/Ablank-AE

Aliases
  • Trojan.Win32.StartPage.uz
  • StartPage-DU.dll
  • Trojan.StartPage
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 28 July 2005 04:50:38 (GMT)
Detected by All Sophos products
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Action

Please follow the instructions for removing Trojans.

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
sp
rundll32 <path to Trojan>,DllInstall

and delete it if it exists.

Close the registry editor.

More Information

Troj/Ablank-AE is a browser hijacking Trojan for the Windows platform.

Troj/Ablank-AE changes settings for Internet Explorer and intercepts attempts to view the home page, instead showing an HTML file contained in the Trojan. Troj/Ablank-AE is a browser hijacking Trojan for the Windows platform.

When run, Troj/Ablank-AE sets the following registry entry in order to run each time a user logs on:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
sp
rundll32 <path to Trojan>,DllInstall

Troj/Ablank-AE changes settings for Internet Explorer and intercepts attempts to view the home page, instead showing an HTML file contained in the Trojan.

The Trojan may modify values in the system registry under the following:

HKCU\Software\Microsoft\Internet Explorer\Main
HOMEOldSP

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

HKCU\Software\Microsoft\Internet Explorer\Main
Search Bar
res://<path to Trojan>\se.dll/space.html

HKCU\Software\Microsoft\Internet Explorer\Main
Use Custom Search URL
1

HKCU\Software\Microsoft\Internet Explorer\New Windows
PopupMgr
no

HKCU\Software\Microsoft\Internet Explorer\Search
SearchAssistant

HKLM\SOFTWARE\Microsoft\Internet Explorer\Main
HOMEOldSP

HKLM\SOFTWARE\Microsoft\Internet Explorer\Main
Start Page

HKLM\SOFTWARE\Microsoft\Internet Explorer\Main
Search Bar
res://<path to Trojan>\se.dll/space.html

HKLM\SOFTWARE\Microsoft\Internet Explorer\Search
SearchAssistant

HKLM\SOFTWARE\Microsoft\Internet Explorer\Main
Use Search Asst
no

HKLM\SOFTWARE\Microsoft\Internet Explorer\Main
Use Custom Search URL
1

HKLM\SOFTWARE\Microsoft\Internet Explorer\New Windows
PopupMgr
no

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