Sophos

Troj/Dloadr-ADW

Aliases
  • Trojan-Downloader.Win32.Small.coc
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from January 2007 (4.13)
Protection available since 17 March 2006 09:01:25 (GMT)
Last updated 10 November 2006 22:30:55 (GMT)
Detected by All Sophos products

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 for each user who ran the virus. 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.

Each user has a registry area named HKEY_USERS\[code number indicating user]\. For each user locate the entry:

HKU\[code number]\Software\Microsoft\Windows\CurrentVersion\Run\
MS-Outlook
<System>\dll\lsass.exe

and delete it if it exists.

Close the registry editor.

More Information

Troj/Dloadr-ADW is a Trojan for the Windows platform.

Troj/Dloadr-ADW includes functionality to download further malicious code.

When first run Troj/Dloadr-ADW copies itself to <System>\dll\lsass.exe.

The following registry entry is created to run lsass.exe on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
MS-Outlook
<System>\dll\lsass.exe

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