Sophos

W32/AutoRun-DY

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Included in our products from July 2008 (4.31)
Protection available since 14 May 2008 04:23:39 (GMT)
Detected by All Sophos products

Action

More Information

W32/AutoRun-DY is a worm for the Windows platform.

When first run W32/AutoRun-DY copies itself to <System>\kxvo.exe and creates the following files:
<Temp>\uci.dll - detected as W32/AutoRun-DY
<System>\fool0.dll - detected as W32/AutoRun-DY
<System>\ieso0.dll - detected as W32/AutoRun-DY

The file fool0.dll is also detected as Mal/EncPk-CE and the file ieso0.dll is also detected as Mal/Behav-204.

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

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
kxva
<System>\kxvo.exe

The file ieso0.dll is registered as a COM object and Browser Helper Object (BHO) for Microsoft Internet Explorer, creating registry entries under:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{CE7C3CF0-4B15-11D1-ABED-709549C10000}

HKCR\CLSID\{CE7C3CF0-4B15-11D1-ABED-709549C10000}


The following registry entries are set:
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
Hidden
2

HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
ShowSuperHidden
0

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL
CheckedValue
0

HKCR\IEHlprObj.IEHlprObj.1\CLSID
(default)
{CE7C3CF0-4B15-11D1-ABED-709549C10000}

Registry entries are created under:
HKCR\IEHlprObj.IEHlprObj

Sophos's anti-virus products include Behavioral Genotype Protection, which can proactively guard against new threats without requiring an update. Sophos customers have been protected against W32/AutoRun-DY (detected as Mal/Behav-204) since version 4.29.

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