WORM_AUTORUN.IKT


 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Worm

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This worm arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It disables Task Manager, Registry Editor, and Folder Options.

  TECHNICAL DETAILS

File Size:

5,335,552 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

19 Jun 2013

Arrival Details

This worm arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This worm drops the following copies of itself into the affected system:

  • %System Root%\setup.exe
  • %Desktop%\My Name Is On Site.exe
  • %Desktop%\This is my life.exe
  • %Desktop%\setup.exe
  • %System Root%\Documents and Settings\Documents and Settings.exe
  • %Program Files%\Program Files.exe
  • %Windows%\WINDOWS.exe
  • %User Profile%\All Users.exe
  • %User Profile%\Wilbert.exe
  • %Desktop%\Desktop.exe
  • %User Profile%\Documents\Documents.exe
  • %Favorites%\Favorites.exe
  • %Start Menu%\Start Menu.exe
  • %User Profile%\Adobe\Adobe.exe
  • %User Profile%\Microsoft\Microsoft.exe
  • %User Profile%\Acrobat\Acrobat.exe
  • %User Profile%\Setup\Setup.exe
  • %User Profile%\10.0\10.0.exe
  • %User Profile%\Replicate\Replicate.exe
  • %User Profile%\Security\Security.exe
  • %User Profile%\{AC76BA86-7AD7-1033-7B44-AA0000000001}\{AC76BA86-7AD7-1033-7B44-AA0000000001}.exe
  • %User Profile%\Crypto\Crypto.exe
  • %User Profile%\HTML Help\HTML Help.exe
  • %User Profile%\Media Index\Media Index.exe
  • %User Profile%\Media Player\Media Player.exe
  • %User Profile%\Network\Network.exe
  • %User Profile%\User Account Pictures\User Account Pictures.exe
  • %User Profile%\DSS\DSS.exe
  • %User Profile%\RSA\RSA.exe
  • %User Profile%\MachineKeys\MachineKeys.exe
  • %User Profile%\S-1-5-18\S-1-5-18.exe
  • %User Profile%\Connections\Connections.exe
  • %User Profile%\Cm\Cm.exe
  • %User Profile%\Pbk\Pbk.exe
  • %User Profile%\Default Pictures\Default Pictures.exe
  • %User Profile%\My Music\My Music.exe
  • %User Profile%\My Pictures\My Pictures.exe
  • %User Profile%\My Videos\My Videos.exe
  • %User Profile%\My Playlists\My Playlists.exe
  • %User Profile%\Sample Music\Sample Music.exe
  • %User Profile%\Sample Playlists\Sample Playlists.exe
  • %User Profile%\0008044E\0008044E.exe
  • %User Profile%\Sample Pictures\Sample Pictures.exe
  • %Start Menu%\Programs\Programs.exe
  • %Start Menu%\Programs\Accessories\Accessories.exe
  • %Start Menu%\Programs\Administrative Tools\Administrative Tools.exe
  • %Start Menu%\Programs\Games\Games.exe
  • %Start Menu%\Programs\WinPcap\WinPcap.exe
  • %Start Menu%\Programs\Accessories\Accessibility\Accessibility.exe
  • %Start Menu%\Programs\Accessories\Communications\Communications.exe
  • %Start Menu%\Programs\Accessories\Entertainment\Entertainment.exe
  • %Start Menu%\Programs\Accessories\System Tools\System Tools.exe
  • %User Profile%\Cookies\Cookies.exe
  • %User Profile%\My Documents\My Documents.exe
  • %User Profile%\Internet Explorer\Internet Explorer.exe
  • %User Profile%\SystemCertificates\SystemCertificates.exe
  • %User Profile%\My\My.exe
  • %User Profile%\Certificates\Certificates.exe
  • %User Profile%\CRLs\CRLs.exe
  • %User Profile%\CTLs\CTLs.exe
  • %User Profile%\History\History.exe
  • %User Temp%\Temp.exe
  • %Temporary Internet Files%\Temporary Internet Files.exe
  • %Application Data%\Microsoft\Microsoft.exe
  • %Application Data%\Microsoft\Media Player\Media Player.exe
  • %Application Data%\Microsoft\Windows Media\Windows Media.exe
  • %Application Data%\Microsoft\Windows Media\9.0\9.0.exe
  • %User Profile%\History.IE5\History.IE5.exe
  • %Temporary Internet Files%\Content.IE5\Content.IE5.exe
  • %Temporary Internet Files%\Content.IE5\09RWHJQN\09RWHJQN.exe
  • %Temporary Internet Files%\Content.IE5\BVLBNMKH\BVLBNMKH.exe
  • %Temporary Internet Files%\Content.IE5\ZDGZNKA5\ZDGZNKA5.exe
  • %Temporary Internet Files%\Content.IE5\ZSGKJKO6\ZSGKJKO6.exe
  • %User Profile%\Application Data\Application Data.exe
  • %User Profile%\Credentials\Credentials.exe
  • %User Profile%\S-1-5-19\S-1-5-19.exe
  • %Application Data%\Microsoft\Credentials\Credentials.exe
  • %Application Data%\Microsoft\Windows\Windows.exe
  • %Application Data%\Microsoft\Credentials\S-1-5-19\S-1-5-19.exe
  • %Temporary Internet Files%\Content.IE5\246FT6TD\246FT6TD.exe
  • %Temporary Internet Files%\Content.IE5\9STOYKO4\9STOYKO4.exe
  • %Temporary Internet Files%\Content.IE5\NF72HY20\NF72HY20.exe
  • %Temporary Internet Files%\Content.IE5\PHOM4UYK\PHOM4UYK.exe
  • %User Profile%\S-1-5-20\S-1-5-20.exe
  • %Application Data%\Microsoft\Credentials\S-1-5-20\S-1-5-20.exe
  • %User Profile%\Identities\Identities.exe
  • %User Profile%\{8A24C031-62FE-4BF5-94F0-BFD4FBCD674B}\{8A24C031-62FE-4BF5-94F0-BFD4FBCD674B}.exe
  • %User Profile%\MMC\MMC.exe
  • %User Profile%\Windows\Windows.exe
  • %User Profile%\S-1-5-21-1645522239-1292428093-682003330-1003\S-1-5-21-1645522239-1292428093-682003330-1003.exe
  • %User Profile%\Quick Launch\Quick Launch.exe
  • %User Profile%\Themes\Themes.exe
  • %Favorites%\Links\Links.exe
  • %Application Data%\Microsoft\CD Burning\CD Burning.exe
  • %Application Data%\Microsoft\Internet Explorer\Internet Explorer.exe
  • %Application Data%\Microsoft\Credentials\S-1-5-21-1645522239-1292428093-682003330-1003\S-1-5-21-1645522239-1292428093-682003330-1003.exe
  • %User Profile%\MSHist012013061320130614\MSHist012013061320130614.exe
  • %User Temp%\Microsoft .NET Framework 4 Setup_4.0.30319\Microsoft .NET Framework 4 Setup_4.0.30319.exe
  • %User Temp%\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.30319\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.30319.exe
  • %User Temp%\{835818DD-220C-4ABD-946E-0D8660B95E29}\{835818DD-220C-4ABD-946E-0D8660B95E29}.exe
  • %Program Files%\Adobe\Adobe.exe
  • %Program Files%\Common Files\Common Files.exe
  • %Program Files%\ComPlus Applications\ComPlus Applications.exe
  • %Program Files%\Internet Explorer\Internet Explorer.exe
  • %Program Files%\Messenger\Messenger.exe
  • %Program Files%\microsoft frontpage\microsoft frontpage.exe
  • %Program Files%\Microsoft.NET\Microsoft.NET.exe
  • %Program Files%\Movie Maker\Movie Maker.exe
  • %Program Files%\MSBuild\MSBuild.exe
  • %Program Files%\MSN\MSN.exe
  • %Program Files%\MSN Gaming Zone\MSN Gaming Zone.exe
  • %Program Files%\MSXML 6.0\MSXML 6.0.exe
  • %Program Files%\NetMeeting\NetMeeting.exe
  • %Program Files%\Online Services\Online Services.exe
  • %Program Files%\Outlook Express\Outlook Express.exe
  • %Program Files%\Reference Assemblies\Reference Assemblies.exe
  • %Program Files%\Windows Media Player\Windows Media Player.exe
  • %Program Files%\Windows NT\Windows NT.exe
  • %Program Files%\WinPcap\WinPcap.exe
  • %Program Files%\xerox\xerox.exe
  • %Program Files%\Adobe\Reader 10.0\Reader 10.0.exe
  • %Program Files%\Adobe\Reader 10.0\Esl\Esl.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\Reader.exe
  • %Program Files%\Adobe\Reader 10.0\Resource\Resource.exe
  • %Program Files%\Adobe\Reader 10.0\Setup Files\Setup Files.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\AIR\AIR.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\Browser\Browser.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\IDTemplates.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\Javascripts\Javascripts.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\Legal\Legal.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\plug_ins.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\plug_ins3d.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\Services\Services.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\SPPlugins\SPPlugins.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\Tracker\Tracker.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\ENU\ENU.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\Legal\ENU\ENU.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\AcroForm.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Annotations.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\Multimedia.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\PMP\PMP.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\Stamps.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\ENU\ENU.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\MPP\MPP.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\prc\prc.exe
  • %Program Files%\Adobe\Reader 10.0\Resource\CMap\CMap.exe
  • %Program Files%\Adobe\Reader 10.0\Resource\Font\Font.exe
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Linguistics.exe
  • %Program Files%\Adobe\Reader 10.0\Resource\SaslPrep\SaslPrep.exe
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\TypeSupport.exe
  • %Program Files%\Adobe\Reader 10.0\Resource\Font\PFM\PFM.exe
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\LanguageNames2\LanguageNames2.exe
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Providers.exe
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\Proximity.exe
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\11.00\11.00.exe
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Unicode.exe
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\ICU\ICU.exe
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Mappings.exe
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Adobe\Adobe.exe
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Mac\Mac.exe
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\win\win.exe
  • %Program Files%\Adobe\Reader 10.0\Setup Files\{AC76BA86-7AD7-1033-7B44-AA0000000001}\{AC76BA86-7AD7-1033-7B44-AA0000000001}.exe
  • %Program Files%\Common Files\Adobe\Adobe.exe
  • %Program Files%\Common Files\Microsoft Shared\Microsoft Shared.exe
  • %Program Files%\Common Files\MSSoap\MSSoap.exe
  • %Program Files%\Common Files\ODBC\ODBC.exe
  • %Program Files%\Common Files\Services\Services.exe

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\Desktop on Windows Vista and 7.. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).. %Windows% is the Windows folder, which is usually C:\Windows.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.. %Favorites% is the current user's Favorites folder, which is usually C:\Documents and Settings\{user name}\Favorites on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\Favorites on Windows Vista and 7.. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista and 7.. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.. %Temporary Internet Files% is the Temporary Internet Files folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temporary Internet Files on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Microsoft\Windows\Temporary Internet Files on Windows Vista and 7.. %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista and 7.)

Other System Modifications

This worm adds the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
System

It adds the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
System
NoDispCPL = "1"

It creates the following registry entry(ies) to disable Task Manager, Registry Tools and Folder Options:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Explorer
NoClose = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Explorer
NoViewContextMenu = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Explorer
NoTrayContextMenu = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Explorer
NoSetTaskbar = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Explorer
NoFolderOptions = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Explorer
NoControlPanel = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Explorer
NoRun = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Explorer
NoDrives = "4"

Dropping Routine

This worm drops the following files:

  • %Application Data%\sygate.exe
  • %Common Startup%\Startup.exe
  • %User Startup%\Startup.exe

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista and 7.. %Common Startup% is the system's shared Startup folder, which is usually C:\Documents and Settings\All Users\Start Menu\Programs\Startup on Windows 2000, XP, and Server 2003.. %User Startup% is the current user's Startup folder, which is usually C:\Windows\Profiles\{user name}\Start Menu\Programs\Startup on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Start Menu\Programs\Startup on Windows NT, and C:\Documents and Settings\{User name}\Start Menu\Programs\Startup.)

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.300

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Enable Registry Editor, Task Manager, and Folder options

[ Learn More ]
By doing this step, you also enable other applications/programs disabled by this malware/grayware/spyware.

Step 3

Delete this registry key

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies
    • System

Step 4

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System
    • NoDispCPL = "1"

Step 5

Search and delete these components

[ Learn More ]
There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %Application Data%\sygate.exe
  • %Common Startup%\Startup.exe
  • %User Startup%\Startup.exe

Step 6

Scan your computer with your Trend Micro product to delete files detected as WORM_AUTORUN.IKT. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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