Sophos

Troj/DwnLdr-GWX

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from September 2007 (4.21)
Protection available since 20 July 2007 19:01:58 (GMT)
Detected by All Sophos products

Action

More Information

Troj/DwnLdr-GWX is a Trojan for the Windows platform.

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

When Troj/DwnLdr-GWX is installed the following files are created:

<Favorites>\ÊÕ²Ø.url
<System>\0m1df.dll
<System>\drivers\55euf6.sys
<System>\drivers\a6fyts35.sys

The file 55euf6.sys is registered as a new system driver service named "55euf6", with a display name of "55euf6". Registry entries are created under:

HKLM\SYSTEM\CurrentControlSet\Services\55euf6

The file a6fyts35.sys is registered as a new system driver service named "a6fyts35", with a display name of "a6fyts35" and a startup type of automatic, so that it is started automatically during system startup. Registry entries are created under:

HKLM\SYSTEM\CurrentControlSet\Services\a6fyts35

Registry entries are created under:

HKLM\SOFTWARE\Microsoft\IE4

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