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PE_FUJACKS.EA
Aliases: ERROR (Microsoft); W32/Fujacks.s (McAfee); W32.Fujacks.E (Symantec); Worm.Win32.Fujack.aa (Kaspersky); Win32.Fujacks.Gen (v) (Sunbelt); Win32/Fujacks.P (AVG)
Malware type: File infector
Destructive: No
Platform: Windows 2000, Windows XP, Windows Server 2003
In the wild: Yes

Overview


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

It deletes itself after execution.

Technical Details


File size: 937,158 bytes
File type: EXE
Memory resident: Yes
Initial samples received date: 22 May 2013

Arrival Details

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

Autostart Technique

This file infector adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
nvscv32 = "%System%\drivers\ncscv32.exe"

Other System Modifications

This file infector deletes the following files:

  • %System Root%\autorun.inf
  • %System Root%\setup.exe

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)

It modifies the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Advanced\Folder\Hidden\
SHOWALL
CheckedValue = "0"

(Note: The default value data of the said registry entry is 1.)

Dropping Routine

This file infector drops the following files:

  • helper.exe.exe
  • %System%\drivers\ncscv32.exe
  • %User Temp%\25$$.Ico
  • %Program Files%\Desktop__.ini
  • %Program Files%\Adobe\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Esl\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Desktop__.ini
  • %User Temp%\5$$.Ico
  • %User Temp%\31$$.Ico
  • %User Temp%\91$$.Ico
  • %User Temp%\16$$.Ico
  • %User Temp%\56$$.Ico
  • %Program Files%\Adobe\Reader 10.0\Reader\AIR\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Browser\Desktop__.ini
  • %User Temp%\51$$.Ico
  • %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\ENU\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Javascripts\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Legal\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Legal\ENU\Desktop__.ini
  • %User Temp%\57$$.Ico
  • %User Temp%\7$$.Ico
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\PMP\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\ENU\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\MPP\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\prc\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Services\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\SPPlugins\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Tracker\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\CMap\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Font\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Font\PFM\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\LanguageNames2\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\11.00\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\SaslPrep\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\ICU\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Adobe\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Mac\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\win\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Setup Files\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Setup Files\{AC76BA86-7AD7-1033-7B44-AA0000000001}\Desktop__.ini
  • %Program Files%\Microsoft.NET\Desktop__.ini
  • %Program Files%\Microsoft.NET\RedistList\Desktop__.ini
  • %Program Files%\MSBuild\Desktop__.ini
  • %Program Files%\MSBuild\Microsoft\Desktop__.ini
  • %Program Files%\MSBuild\Microsoft\Windows Workflow Foundation\Desktop__.ini
  • %Program Files%\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\Desktop__.ini
  • %Program Files%\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\Desktop__.ini
  • %Program Files%\MSN Gaming Zone\Desktop__.ini
  • %Program Files%\MSXML 6.0\Desktop__.ini
  • %Program Files%\MSXML 6.0\EULA\Desktop__.ini
  • %Program Files%\Online Services\Desktop__.ini
  • %Program Files%\Reference Assemblies\Desktop__.ini
  • %Program Files%\Reference Assemblies\Microsoft\Desktop__.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\Desktop__.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.0\Desktop__.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.0\RedistList\Desktop__.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.5\Desktop__.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.5\RedistList\Desktop__.ini
  • %Program Files%\Uninstall Information\Desktop__.ini
  • %Program Files%\WinPcap\Desktop__.ini
  • %User Temp%\13$$.Ico
  • %User Temp%\41$$.Ico
  • %Program Files%\xerox\Desktop__.ini
  • %Program Files%\xerox\nwwia\Desktop__.ini
  • %System Root%\helper.exe.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\AcroRd32.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\AdobeCollabSync.exe
  • %Program Files%\WinPcap\Uninstall.exe

(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.. %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.. %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).. %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)

Other Details

This file infector connects to the following possibly malicious URL:

  • http://www.{BLOCKED}y.net/update/wormcn.txt

It deletes itself after execution.

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

Restart in Safe Mode

[ Learn more ]

Step 3

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\Run
    • nvscv32 = "%System%\drivers\ncscv32.exe"

Step 4

Restore these modified registry values

[ Learn more ]

Important:Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this only if you know how to or you can seek your system administrator's help. You may also check out this Microsoft article first before modifying your computer's registry.


  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL
    • From: CheckedValue = "0"
      To: CheckedValue = ""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.
  • helper.exe.exe
  • %System%\drivers\ncscv32.exe
  • %User Temp%\25.Ico
  • %Program Files%\Desktop__.ini
  • %Program Files%\Adobe\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Esl\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Desktop__.ini
  • %User Temp%\5.Ico
  • %User Temp%\31.Ico
  • %User Temp%\91.Ico
  • %User Temp%\16.Ico
  • %User Temp%\56.Ico
  • %Program Files%\Adobe\Reader 10.0\Reader\AIR\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Browser\Desktop__.ini
  • %User Temp%\51.Ico
  • %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\ENU\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Javascripts\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Legal\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Legal\ENU\Desktop__.ini
  • %User Temp%\57.Ico
  • %User Temp%\7.Ico
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\PMP\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\ENU\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\MPP\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\prc\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Services\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\SPPlugins\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Tracker\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\CMap\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Font\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Font\PFM\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\LanguageNames2\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\11.00\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\SaslPrep\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\ICU\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Adobe\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Mac\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\win\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Setup Files\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Setup Files\{AC76BA86-7AD7-1033-7B44-AA0000000001}\Desktop__.ini
  • %Program Files%\Microsoft.NET\Desktop__.ini
  • %Program Files%\Microsoft.NET\RedistList\Desktop__.ini
  • %Program Files%\MSBuild\Desktop__.ini
  • %Program Files%\MSBuild\Microsoft\Desktop__.ini
  • %Program Files%\MSBuild\Microsoft\Windows Workflow Foundation\Desktop__.ini
  • %Program Files%\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\Desktop__.ini
  • %Program Files%\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\Desktop__.ini
  • %Program Files%\MSN Gaming Zone\Desktop__.ini
  • %Program Files%\MSXML 6.0\Desktop__.ini
  • %Program Files%\MSXML 6.0\EULA\Desktop__.ini
  • %Program Files%\Online Services\Desktop__.ini
  • %Program Files%\Reference Assemblies\Desktop__.ini
  • %Program Files%\Reference Assemblies\Microsoft\Desktop__.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\Desktop__.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.0\Desktop__.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.0\RedistList\Desktop__.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.5\Desktop__.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.5\RedistList\Desktop__.ini
  • %Program Files%\Uninstall Information\Desktop__.ini
  • %Program Files%\WinPcap\Desktop__.ini
  • %User Temp%\13.Ico
  • %User Temp%\41.Ico
  • %Program Files%\xerox\Desktop__.ini
  • %Program Files%\xerox\nwwia\Desktop__.ini
  • %System Root%\helper.exe.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\AcroRd32.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\AdobeCollabSync.exe
  • %Program Files%\WinPcap\Uninstall.exe
.Ico
  • %Program Files%\Desktop__.ini
  • %Program Files%\Adobe\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Esl\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Desktop__.ini
  • %User Temp%\5.Ico
  • %User Temp%\31.Ico
  • %User Temp%\91.Ico
  • %User Temp%\16.Ico
  • %User Temp%\56.Ico
  • %Program Files%\Adobe\Reader 10.0\Reader\AIR\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Browser\Desktop__.ini
  • %User Temp%\51.Ico
  • %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\ENU\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Javascripts\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Legal\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Legal\ENU\Desktop__.ini
  • %User Temp%\57.Ico
  • %User Temp%\7.Ico
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\PMP\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\ENU\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\MPP\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\prc\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Services\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\SPPlugins\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Reader\Tracker\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\CMap\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Font\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Font\PFM\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\LanguageNames2\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\11.00\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\SaslPrep\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\ICU\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Adobe\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Mac\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\win\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Setup Files\Desktop__.ini
  • %Program Files%\Adobe\Reader 10.0\Setup Files\{AC76BA86-7AD7-1033-7B44-AA0000000001}\Desktop__.ini
  • %Program Files%\Microsoft.NET\Desktop__.ini
  • %Program Files%\Microsoft.NET\RedistList\Desktop__.ini
  • %Program Files%\MSBuild\Desktop__.ini
  • %Program Files%\MSBuild\Microsoft\Desktop__.ini
  • %Program Files%\MSBuild\Microsoft\Windows Workflow Foundation\Desktop__.ini
  • %Program Files%\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\Desktop__.ini
  • %Program Files%\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\Desktop__.ini
  • %Program Files%\MSN Gaming Zone\Desktop__.ini
  • %Program Files%\MSXML 6.0\Desktop__.ini
  • %Program Files%\MSXML 6.0\EULA\Desktop__.ini
  • %Program Files%\Online Services\Desktop__.ini
  • %Program Files%\Reference Assemblies\Desktop__.ini
  • %Program Files%\Reference Assemblies\Microsoft\Desktop__.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\Desktop__.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.0\Desktop__.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.0\RedistList\Desktop__.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.5\Desktop__.ini
  • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.5\RedistList\Desktop__.ini
  • %Program Files%\Uninstall Information\Desktop__.ini
  • %Program Files%\WinPcap\Desktop__.ini
  • %User Temp%\13.Ico
  • %User Temp%\41.Ico
  • %Program Files%\xerox\Desktop__.ini
  • %Program Files%\xerox\nwwia\Desktop__.ini
  • %System Root%\helper.exe.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\AcroRd32.exe
  • %Program Files%\Adobe\Reader 10.0\Reader\AdobeCollabSync.exe
  • %Program Files%\WinPcap\Uninstall.exe
  • In the Look In drop-down list, select My Computer then press Enter.
  • Once located, select the file then press SHIFT+DELETE to delete it.
  • Repeat the said steps for all files listed.
  • • For Windows Vista and Windows 7 users:

    1. Click Start>Computer.
    2. In the Search input box, type:
      • helper.exe.exe
      • %System%\drivers\ncscv32.exe
      • %User Temp%\25.Ico
      • %Program Files%\Desktop__.ini
      • %Program Files%\Adobe\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Esl\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Reader\Desktop__.ini
      • %User Temp%\5.Ico
      • %User Temp%\31.Ico
      • %User Temp%\91.Ico
      • %User Temp%\16.Ico
      • %User Temp%\56.Ico
      • %Program Files%\Adobe\Reader 10.0\Reader\AIR\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Reader\Browser\Desktop__.ini
      • %User Temp%\51.Ico
      • %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Reader\IDTemplates\ENU\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Reader\Javascripts\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Reader\Legal\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Reader\Legal\ENU\Desktop__.ini
      • %User Temp%\57.Ico
      • %User Temp%\7.Ico
      • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\AcroForm\PMP\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Annotations\Stamps\ENU\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins\Multimedia\MPP\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Reader\plug_ins3d\prc\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Reader\Services\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Reader\SPPlugins\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Reader\Tracker\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Resource\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Resource\CMap\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Resource\Font\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Resource\Font\PFM\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\LanguageNames2\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Resource\Linguistics\Providers\Proximity\11.00\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Resource\SaslPrep\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\ICU\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Adobe\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\Mac\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Resource\TypeSupport\Unicode\Mappings\win\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Setup Files\Desktop__.ini
      • %Program Files%\Adobe\Reader 10.0\Setup Files\{AC76BA86-7AD7-1033-7B44-AA0000000001}\Desktop__.ini
      • %Program Files%\Microsoft.NET\Desktop__.ini
      • %Program Files%\Microsoft.NET\RedistList\Desktop__.ini
      • %Program Files%\MSBuild\Desktop__.ini
      • %Program Files%\MSBuild\Microsoft\Desktop__.ini
      • %Program Files%\MSBuild\Microsoft\Windows Workflow Foundation\Desktop__.ini
      • %Program Files%\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\Desktop__.ini
      • %Program Files%\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\Desktop__.ini
      • %Program Files%\MSN Gaming Zone\Desktop__.ini
      • %Program Files%\MSXML 6.0\Desktop__.ini
      • %Program Files%\MSXML 6.0\EULA\Desktop__.ini
      • %Program Files%\Online Services\Desktop__.ini
      • %Program Files%\Reference Assemblies\Desktop__.ini
      • %Program Files%\Reference Assemblies\Microsoft\Desktop__.ini
      • %Program Files%\Reference Assemblies\Microsoft\Framework\Desktop__.ini
      • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.0\Desktop__.ini
      • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.0\RedistList\Desktop__.ini
      • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.5\Desktop__.ini
      • %Program Files%\Reference Assemblies\Microsoft\Framework\v3.5\RedistList\Desktop__.ini
      • %Program Files%\Uninstall Information\Desktop__.ini
      • %Program Files%\WinPcap\Desktop__.ini
      • %User Temp%\13.Ico
      • %User Temp%\41.Ico
      • %Program Files%\xerox\Desktop__.ini
      • %Program Files%\xerox\nwwia\Desktop__.ini
      • %System Root%\helper.exe.exe
      • %Program Files%\Adobe\Reader 10.0\Reader\AcroRd32.exe
      • %Program Files%\Adobe\Reader 10.0\Reader\AdobeCollabSync.exe
      • %Program Files%\WinPcap\Uninstall.exe
    3. Once located, select the file then press SHIFT+DELETE to delete it.
    4. Repeat the said steps for all files listed.
      *Note: Read the following Microsoft page if these steps do not work on Windows 7.

    Step 6

    Restart in normal mode and scan your computer with your Trend Micro product for files detected as PE_FUJACKS.EA. 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.

    Step 7

    Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

    • %System Root%\autorun.inf
    • %System Root%\setup.exe


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