TROJ_FAKEAV.SMCW

July 25, 2013
 ALIASES:

Trojan:Win32/Bumat!rts, TrojanDownloader:Win32/FakeMS.B (Microsoft); [9.nsis]:FakeAlert-KG (McAfee); Trojan.ADH (Symantec); ARC:NSIS, [$PROGRAMFILES\Common Files\Windows Media Player\mscommon.dll]:Trojan.Win32.FakeMS.dgo, [$ (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Gen:Variant.Graftor.752 (FSecure)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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

  TECHNICAL DETAILS

File Size:

933,948 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

01 Sep 2012

Arrival Details

This Trojan 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 Trojan creates the following folders:

  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\ADMINI~1
  • %User Profile%\LOCALS~1
  • %User Temp%\nso2.tmp
  • %Program Files%\iie
  • %Program Files%\iie\profile
  • %Program Files%\iie\profile\SearchEngine
  • %Program Files%\iie\profile\Template
  • %Program Files%\iie\profile\Template\start
  • %Program Files%\iie\profile\Template\start\images
  • %Program Files%\iie\skin
  • %Program Files%\iie\skin\Default
  • %Program Files%\iie\skin\Default\control
  • %Program Files%\iie\skin\Default\misc
  • %Program Files%\iie\skin\Default\toolbar
  • %System Root%\Documents and Settings\Administrator
  • %Start Menu%\Programs\°®Ò×ä¯ÀÀÆ÷
  • %Program Files%\Common Files\stat.dat

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

Other System Modifications

This Trojan deletes the following files:

  • %User Temp%\nsz1.tmp
  • %User Temp%\nso2.tmp

(Note: %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.)

It adds the following registry keys:

HKEY_CURRENT_USER\Software\iie

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
°®Ò×ä¯ÀÀÆ÷

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
htmlfile\shell\IIE

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
htmlfile\shell\IIE\
command

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
InternetShortcut\shell\IIE

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
InternetShortcut\shell\IIE\
command

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
mhtmlfile\shell\IIE

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
mhtmlfile\shell\IIE\
command

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
HTTP\shell\IIE

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
HTTP\shell\IIE\
command

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
https\shell\IIE

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
https\shell\IIE\
command

HKEY_CLASSES_ROOT\file\shell

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
file\shell\open

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
file\shell\open\
command

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
file\shell\IIE

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
file\shell\IIE\
command

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ftp\shell\IIE

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ftp\shell\IIE\
command

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile\AuthorizedApplications\
List
%Program Files%\iie\iie.exe = "%Program Files%\iie\iie.exe:*:Enabled:iie"

HKEY_CURRENT_USER\Software\iie
AppPath = "%Program Files%\iie"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Main\FeatureControl\
FEATURE_SECURITYBAND
iie.exe = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Main\FeatureControl\
FEATURE_RESTRICT_FILEDOWNLOAD
iie.exe = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Main\FeatureControl\
FEATURE_RESTRICT_ACTIVEXINSTALL
iie.exe = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
°®Ò×ä¯ÀÀÆ÷
DisplayName = "°®Ò×ä¯ÀÀÆ÷ 1.03 Beta"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
°®Ò×ä¯ÀÀÆ÷
UninstallString = "%Program Files%\iie\uninst.exe"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
°®Ò×ä¯ÀÀÆ÷
DisplayVersion = "1.03"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
°®Ò×ä¯ÀÀÆ÷
URLInfoAbout = "www.51iie.com"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
°®Ò×ä¯ÀÀÆ÷
Publisher = "iie, Inc."

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.shtml
Content Type = "text/html"

HKEY_CURRENT_USER\Software\iie
pcdata = "1"

Dropping Routine

This Trojan drops the following files:

  • %User Temp%\nso2.tmp\task.ini
  • %Program Files%\iie\4399.ico
  • %Program Files%\iie\iie.exe
  • %Program Files%\iie\youku.ico
  • %Program Files%\iie\profile\SearchEngine\baidu.ico
  • %Program Files%\iie\profile\SearchEngine\config.ini
  • %Program Files%\iie\profile\SearchEngine\google.ico
  • %Program Files%\iie\profile\SearchEngine\sogou.ico
  • %Program Files%\iie\profile\SearchEngine\taobao.ico
  • %Program Files%\iie\profile\Template\start\index.html
  • %Program Files%\iie\profile\Template\start\left.html
  • %Program Files%\iie\profile\Template\start\right.html
  • %Program Files%\iie\profile\Template\start\style.css
  • %Program Files%\iie\profile\Template\start\images\dian.gif
  • %Program Files%\iie\profile\Template\start\images\logo.gif
  • %Program Files%\iie\profile\Template\start\images\logo2.gif
  • %Program Files%\iie\skin\Default\mskin.ini
  • %Program Files%\iie\skin\Default\control\button_bg_checked.png
  • %Program Files%\iie\skin\Default\control\button_bg_hover.png
  • %Program Files%\iie\skin\Default\control\button_bg_pressed.png
  • %Program Files%\iie\skin\Default\control\caption_bar_bg.png
  • %Program Files%\iie\skin\Default\control\caption_icon.ico
  • %Program Files%\iie\skin\Default\control\combo.png
  • %Program Files%\iie\skin\Default\control\combo_dropdown.png
  • %Program Files%\iie\skin\Default\control\combo_dropdown_hover.png
  • %Program Files%\iie\skin\Default\control\combo_hover.png
  • %Program Files%\iie\skin\Default\control\loading.png
  • %Program Files%\iie\skin\Default\control\mainframe.png
  • %Program Files%\iie\skin\Default\control\progress.png
  • %Program Files%\iie\skin\Default\control\progress_bg.png
  • %Program Files%\iie\skin\Default\control\sidebar_tab_active.png
  • %Program Files%\iie\skin\Default\control\sidebar_tab_inactive.png
  • %Program Files%\iie\skin\Default\control\skin_selector.png
  • %Program Files%\iie\skin\Default\control\skin_selector_hover.png
  • %Program Files%\iie\skin\Default\control\status_bar_bg.png
  • %Program Files%\iie\skin\Default\control\tab_active.png
  • %Program Files%\iie\skin\Default\control\tab_bar_close.png
  • %Program Files%\iie\skin\Default\control\tab_bar_close_all.png
  • %Program Files%\iie\skin\Default\control\tab_bar_close_all_hover.png
  • %Program Files%\iie\skin\Default\control\tab_bar_close_hover.png
  • %Program Files%\iie\skin\Default\control\tab_bg.png
  • %Program Files%\iie\skin\Default\control\tab_bg_inactive.png
  • %Program Files%\iie\skin\Default\control\tab_close.png
  • %Program Files%\iie\skin\Default\control\tab_close_hover.png
  • %Program Files%\iie\skin\Default\control\tab_hover.png
  • %Program Files%\iie\skin\Default\control\tab_inactive.png
  • %Program Files%\iie\skin\Default\control\tab_manager.png
  • %Program Files%\iie\skin\Default\control\tab_manager_hover.png
  • %Program Files%\iie\skin\Default\control\tab_new.png
  • %Program Files%\iie\skin\Default\control\tab_new_hover.png
  • %Program Files%\iie\skin\Default\control\tab_options.png
  • %Program Files%\iie\skin\Default\control\tab_options_hover.png
  • %Program Files%\iie\skin\Default\control\tab_progress.png
  • %Program Files%\iie\skin\Default\control\tab_sidebar.png
  • %Program Files%\iie\skin\Default\control\tab_sidebar_hover.png
  • %Program Files%\iie\skin\Default\control\tab_toolbar.png
  • %Program Files%\iie\skin\Default\control\tab_toolbar_hover.png
  • %Program Files%\iie\skin\Default\control\tab_unread.png
  • %Program Files%\iie\skin\Default\control\win_close.png
  • %Program Files%\iie\skin\Default\control\win_close_hover.png
  • %Program Files%\iie\skin\Default\control\win_maximum.png
  • %Program Files%\iie\skin\Default\control\win_maximum_hover.png
  • %Program Files%\iie\skin\Default\control\win_minimize.png
  • %Program Files%\iie\skin\Default\control\win_minimize_hover.png
  • %Program Files%\iie\skin\Default\control\win_restore.png
  • %Program Files%\iie\skin\Default\control\win_restore_hover.png
  • %Program Files%\iie\skin\Default\misc\16_accelerator.png
  • %Program Files%\iie\skin\Default\misc\16_ad_hunter.png
  • %Program Files%\iie\skin\Default\misc\16_alert.png
  • %Program Files%\iie\skin\Default\misc\16_anti_phishing_danger.png
  • %Program Files%\iie\skin\Default\misc\16_anti_phishing_safe.png
  • %Program Files%\iie\skin\Default\misc\16_clean.png
  • %Program Files%\iie\skin\Default\misc\16_close.png
  • %Program Files%\iie\skin\Default\misc\16_collector.png
  • %Program Files%\iie\skin\Default\misc\16_correct.png
  • %Program Files%\iie\skin\Default\misc\16_delete.png
  • %Program Files%\iie\skin\Default\misc\16_down.png
  • %Program Files%\iie\skin\Default\misc\16_edit.png
  • %Program Files%\iie\skin\Default\misc\16_error.png
  • %Program Files%\iie\skin\Default\misc\16_execute.png
  • %Program Files%\iie\skin\Default\misc\16_execute_hover.png
  • %Program Files%\iie\skin\Default\misc\16_feed_channel.png
  • %Program Files%\iie\skin\Default\misc\16_feed_item.png
  • %Program Files%\iie\skin\Default\misc\16_feed_item_enclosure.png
  • %Program Files%\iie\skin\Default\misc\16_filter.png
  • %Program Files%\iie\skin\Default\misc\16_find.png
  • %Program Files%\iie\skin\Default\misc\16_float_button.png
  • %Program Files%\iie\skin\Default\misc\16_folder_closed.png
  • %Program Files%\iie\skin\Default\misc\16_folder_open.png
  • %Program Files%\iie\skin\Default\misc\16_go.png
  • %Program Files%\iie\skin\Default\misc\16_group.png
  • %Program Files%\iie\skin\Default\misc\16_highlight.png
  • %Program Files%\iie\skin\Default\misc\16_hot_fav.png
  • %Program Files%\iie\skin\Default\misc\16_in_progress.png
  • %Program Files%\iie\skin\Default\misc\16_info.png
  • %Program Files%\iie\skin\Default\misc\16_new.png
  • %Program Files%\iie\skin\Default\misc\16_open_in_bg.png
  • %Program Files%\iie\skin\Default\misc\16_open_in_new.png
  • %Program Files%\iie\skin\Default\misc\16_page.png
  • %Program Files%\iie\skin\Default\misc\16_plugins.png
  • %Program Files%\iie\skin\Default\misc\16_profile.png
  • %Program Files%\iie\skin\Default\misc\16_proxy_advanced.png
  • %Program Files%\iie\skin\Default\misc\16_proxy_mono.png
  • %Program Files%\iie\skin\Default\misc\16_question.png
  • %Program Files%\iie\skin\Default\misc\16_script_error.png
  • %Program Files%\iie\skin\Default\misc\16_secure.png
  • %Program Files%\iie\skin\Default\misc\16_skin.png
  • %Program Files%\iie\skin\Default\misc\16_sniffer.png
  • %Program Files%\iie\skin\Default\misc\16_stop.png
  • %Program Files%\iie\skin\Default\misc\16_translate.png
  • %Program Files%\iie\skin\Default\misc\16_trashcan.png
  • %Program Files%\iie\skin\Default\misc\16_up.png
  • %Program Files%\iie\skin\Default\misc\16_up_level.png
  • %Program Files%\iie\skin\Default\misc\16_validate.png
  • %Program Files%\iie\skin\Default\misc\16_views.png
  • %Program Files%\iie\skin\Default\misc\16_website_info.png
  • %Program Files%\iie\skin\Default\toolbar\16_back.png
  • %Program Files%\iie\skin\Default\toolbar\16_download.png
  • %Program Files%\iie\skin\Default\toolbar\16_encoding.png
  • %Program Files%\iie\skin\Default\toolbar\16_favorites.png
  • %Program Files%\iie\skin\Default\toolbar\16_feed.png
  • %Program Files%\iie\skin\Default\toolbar\16_find.png
  • %Program Files%\iie\skin\Default\toolbar\16_font_size.png
  • %Program Files%\iie\skin\Default\toolbar\16_form_filler.png
  • %Program Files%\iie\skin\Default\toolbar\16_forward.png
  • %Program Files%\iie\skin\Default\toolbar\16_history.png
  • %Program Files%\iie\skin\Default\toolbar\16_history_menu.png
  • %Program Files%\iie\skin\Default\toolbar\16_home.png
  • %Program Files%\iie\skin\Default\toolbar\16_layout.png
  • %Program Files%\iie\skin\Default\toolbar\16_new.png
  • %Program Files%\iie\skin\Default\toolbar\16_options.png
  • %Program Files%\iie\skin\Default\toolbar\16_page_content.png
  • %Program Files%\iie\skin\Default\toolbar\16_page_zoom.png
  • %Program Files%\iie\skin\Default\toolbar\16_print.png
  • %Program Files%\iie\skin\Default\toolbar\16_proxy.png
  • %Program Files%\iie\skin\Default\toolbar\16_refresh.png
  • %Program Files%\iie\skin\Default\toolbar\16_save.png
  • %Program Files%\iie\skin\Default\toolbar\16_search.png
  • %Program Files%\iie\skin\Default\toolbar\16_security.png
  • %Program Files%\iie\skin\Default\toolbar\16_service.png
  • %Program Files%\iie\skin\Default\toolbar\16_source.png
  • %Program Files%\iie\skin\Default\toolbar\16_split_screen.png
  • %Program Files%\iie\skin\Default\toolbar\16_sshot.png
  • %Program Files%\iie\skin\Default\toolbar\16_stop.png
  • %Program Files%\iie\skin\Default\toolbar\16_tools.png
  • %Program Files%\iie\skin\Default\toolbar\16_undo.png
  • %Program Files%\iie\skin\Default\toolbar\18_history_menu.png
  • %Program Files%\iie\skin\Default\toolbar\24_back.png
  • %Program Files%\iie\skin\Default\toolbar\24_download.png
  • %Program Files%\iie\skin\Default\toolbar\24_encoding.png
  • %Program Files%\iie\skin\Default\toolbar\24_favorites.png
  • %Program Files%\iie\skin\Default\toolbar\24_feed.png
  • %Program Files%\iie\skin\Default\toolbar\24_find.png
  • %Program Files%\iie\skin\Default\toolbar\24_font_size.png
  • %Program Files%\iie\skin\Default\toolbar\24_form_filler.png
  • %Program Files%\iie\skin\Default\toolbar\24_forward.png
  • %Program Files%\iie\skin\Default\toolbar\24_history.png
  • %Program Files%\iie\skin\Default\toolbar\24_home.png
  • %Program Files%\iie\skin\Default\toolbar\24_layout.png
  • %Program Files%\iie\skin\Default\toolbar\24_new.png
  • %Program Files%\iie\skin\Default\toolbar\24_options.png
  • %Program Files%\iie\skin\Default\toolbar\24_page_content.png
  • %Program Files%\iie\skin\Default\toolbar\24_page_zoom.png
  • %Program Files%\iie\skin\Default\toolbar\24_print.png
  • %Program Files%\iie\skin\Default\toolbar\24_proxy.png
  • %Program Files%\iie\skin\Default\toolbar\24_refresh.png
  • %Program Files%\iie\skin\Default\toolbar\24_save.png
  • %Program Files%\iie\skin\Default\toolbar\24_search.png
  • %Program Files%\iie\skin\Default\toolbar\24_security.png
  • %Program Files%\iie\skin\Default\toolbar\24_service.png
  • %Program Files%\iie\skin\Default\toolbar\24_source.png
  • %Program Files%\iie\skin\Default\toolbar\24_split_screen.png
  • %Program Files%\iie\skin\Default\toolbar\24_sshot.png
  • %Program Files%\iie\skin\Default\toolbar\24_stop.png
  • %Program Files%\iie\skin\Default\toolbar\24_tools.png
  • %Program Files%\iie\skin\Default\toolbar\24_undo.png
  • %Desktop%\°®Ò×ä¯ÀÀÆ÷.lnk
  • %Start Menu%\°®Ò×ä¯ÀÀÆ÷.lnk
  • %User Profile%\Quick Launch\°®Ò×ä¯ÀÀÆ÷.lnk
  • %Start Menu%\Programs\°®Ò×ä¯ÀÀÆ÷\°®Ò×ä¯ÀÀÆ÷.lnk
  • %Start Menu%\Programs\°®Ò×ä¯ÀÀÆ÷\жÔØ°®Ò×ä¯ÀÀÆ÷.lnk
  • %Program Files%\iie\uninst.exe

(Note: %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).. %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.. %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 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.)

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.200

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

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
    • iie
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • °®Ò×ä¯ÀÀÆ÷
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\htmlfile\shell
    • IIE
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\htmlfile\shell\IIE
    • command
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\InternetShortcut\shell
    • IIE
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\InternetShortcut\shell\IIE
    • command
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\mhtmlfile\shell
    • IIE
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\mhtmlfile\shell\IIE
    • command
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\HTTP\shell
    • IIE
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\HTTP\shell\IIE
    • command
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\https\shell
    • IIE
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\https\shell\IIE
    • command
  • In HKEY_CLASSES_ROOT\file
    • shell
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\file\shell
    • open
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\file\shell\open
    • command
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\file\shell
    • IIE
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\file\shell\IIE
    • command
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ftp\shell
    • IIE
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ftp\shell\IIE
    • command

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_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List
    • %Program Files%\iie\iie.exe = "%Program Files%\iie\iie.exe:*:Enabled:iie"
  • In HKEY_CURRENT_USER\Software\iie
    • AppPath = "%Program Files%\iie"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_SECURITYBAND
    • iie.exe = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_RESTRICT_FILEDOWNLOAD
    • iie.exe = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_RESTRICT_ACTIVEXINSTALL
    • iie.exe = "1"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\°®Ò×ä¯ÀÀÆ÷
    • DisplayName = "°®Ò×ä¯ÀÀÆ÷ 1.03 Beta"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\°®Ò×ä¯ÀÀÆ÷
    • UninstallString = "%Program Files%\iie\uninst.exe"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\°®Ò×ä¯ÀÀÆ÷
    • DisplayVersion = "1.03"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\°®Ò×ä¯ÀÀÆ÷
    • URLInfoAbout = "www.51iie.com"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\°®Ò×ä¯ÀÀÆ÷
    • Publisher = "iie, Inc."
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.shtml
    • Content Type = "text/html"
  • In HKEY_CURRENT_USER\Software\iie
    • pcdata = "1"

Step 4

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.
  • %User Temp%\nso2.tmp\task.ini
  • %Program Files%\iie\4399.ico
  • %Program Files%\iie\iie.exe
  • %Program Files%\iie\youku.ico
  • %Program Files%\iie\profile\SearchEngine\baidu.ico
  • %Program Files%\iie\profile\SearchEngine\config.ini
  • %Program Files%\iie\profile\SearchEngine\google.ico
  • %Program Files%\iie\profile\SearchEngine\sogou.ico
  • %Program Files%\iie\profile\SearchEngine\taobao.ico
  • %Program Files%\iie\profile\Template\start\index.html
  • %Program Files%\iie\profile\Template\start\left.html
  • %Program Files%\iie\profile\Template\start\right.html
  • %Program Files%\iie\profile\Template\start\style.css
  • %Program Files%\iie\profile\Template\start\images\dian.gif
  • %Program Files%\iie\profile\Template\start\images\logo.gif
  • %Program Files%\iie\profile\Template\start\images\logo2.gif
  • %Program Files%\iie\skin\Default\mskin.ini
  • %Program Files%\iie\skin\Default\control\button_bg_checked.png
  • %Program Files%\iie\skin\Default\control\button_bg_hover.png
  • %Program Files%\iie\skin\Default\control\button_bg_pressed.png
  • %Program Files%\iie\skin\Default\control\caption_bar_bg.png
  • %Program Files%\iie\skin\Default\control\caption_icon.ico
  • %Program Files%\iie\skin\Default\control\combo.png
  • %Program Files%\iie\skin\Default\control\combo_dropdown.png
  • %Program Files%\iie\skin\Default\control\combo_dropdown_hover.png
  • %Program Files%\iie\skin\Default\control\combo_hover.png
  • %Program Files%\iie\skin\Default\control\loading.png
  • %Program Files%\iie\skin\Default\control\mainframe.png
  • %Program Files%\iie\skin\Default\control\progress.png
  • %Program Files%\iie\skin\Default\control\progress_bg.png
  • %Program Files%\iie\skin\Default\control\sidebar_tab_active.png
  • %Program Files%\iie\skin\Default\control\sidebar_tab_inactive.png
  • %Program Files%\iie\skin\Default\control\skin_selector.png
  • %Program Files%\iie\skin\Default\control\skin_selector_hover.png
  • %Program Files%\iie\skin\Default\control\status_bar_bg.png
  • %Program Files%\iie\skin\Default\control\tab_active.png
  • %Program Files%\iie\skin\Default\control\tab_bar_close.png
  • %Program Files%\iie\skin\Default\control\tab_bar_close_all.png
  • %Program Files%\iie\skin\Default\control\tab_bar_close_all_hover.png
  • %Program Files%\iie\skin\Default\control\tab_bar_close_hover.png
  • %Program Files%\iie\skin\Default\control\tab_bg.png
  • %Program Files%\iie\skin\Default\control\tab_bg_inactive.png
  • %Program Files%\iie\skin\Default\control\tab_close.png
  • %Program Files%\iie\skin\Default\control\tab_close_hover.png
  • %Program Files%\iie\skin\Default\control\tab_hover.png
  • %Program Files%\iie\skin\Default\control\tab_inactive.png
  • %Program Files%\iie\skin\Default\control\tab_manager.png
  • %Program Files%\iie\skin\Default\control\tab_manager_hover.png
  • %Program Files%\iie\skin\Default\control\tab_new.png
  • %Program Files%\iie\skin\Default\control\tab_new_hover.png
  • %Program Files%\iie\skin\Default\control\tab_options.png
  • %Program Files%\iie\skin\Default\control\tab_options_hover.png
  • %Program Files%\iie\skin\Default\control\tab_progress.png
  • %Program Files%\iie\skin\Default\control\tab_sidebar.png
  • %Program Files%\iie\skin\Default\control\tab_sidebar_hover.png
  • %Program Files%\iie\skin\Default\control\tab_toolbar.png
  • %Program Files%\iie\skin\Default\control\tab_toolbar_hover.png
  • %Program Files%\iie\skin\Default\control\tab_unread.png
  • %Program Files%\iie\skin\Default\control\win_close.png
  • %Program Files%\iie\skin\Default\control\win_close_hover.png
  • %Program Files%\iie\skin\Default\control\win_maximum.png
  • %Program Files%\iie\skin\Default\control\win_maximum_hover.png
  • %Program Files%\iie\skin\Default\control\win_minimize.png
  • %Program Files%\iie\skin\Default\control\win_minimize_hover.png
  • %Program Files%\iie\skin\Default\control\win_restore.png
  • %Program Files%\iie\skin\Default\control\win_restore_hover.png
  • %Program Files%\iie\skin\Default\misc\16_accelerator.png
  • %Program Files%\iie\skin\Default\misc\16_ad_hunter.png
  • %Program Files%\iie\skin\Default\misc\16_alert.png
  • %Program Files%\iie\skin\Default\misc\16_anti_phishing_danger.png
  • %Program Files%\iie\skin\Default\misc\16_anti_phishing_safe.png
  • %Program Files%\iie\skin\Default\misc\16_clean.png
  • %Program Files%\iie\skin\Default\misc\16_close.png
  • %Program Files%\iie\skin\Default\misc\16_collector.png
  • %Program Files%\iie\skin\Default\misc\16_correct.png
  • %Program Files%\iie\skin\Default\misc\16_delete.png
  • %Program Files%\iie\skin\Default\misc\16_down.png
  • %Program Files%\iie\skin\Default\misc\16_edit.png
  • %Program Files%\iie\skin\Default\misc\16_error.png
  • %Program Files%\iie\skin\Default\misc\16_execute.png
  • %Program Files%\iie\skin\Default\misc\16_execute_hover.png
  • %Program Files%\iie\skin\Default\misc\16_feed_channel.png
  • %Program Files%\iie\skin\Default\misc\16_feed_item.png
  • %Program Files%\iie\skin\Default\misc\16_feed_item_enclosure.png
  • %Program Files%\iie\skin\Default\misc\16_filter.png
  • %Program Files%\iie\skin\Default\misc\16_find.png
  • %Program Files%\iie\skin\Default\misc\16_float_button.png
  • %Program Files%\iie\skin\Default\misc\16_folder_closed.png
  • %Program Files%\iie\skin\Default\misc\16_folder_open.png
  • %Program Files%\iie\skin\Default\misc\16_go.png
  • %Program Files%\iie\skin\Default\misc\16_group.png
  • %Program Files%\iie\skin\Default\misc\16_highlight.png
  • %Program Files%\iie\skin\Default\misc\16_hot_fav.png
  • %Program Files%\iie\skin\Default\misc\16_in_progress.png
  • %Program Files%\iie\skin\Default\misc\16_info.png
  • %Program Files%\iie\skin\Default\misc\16_new.png
  • %Program Files%\iie\skin\Default\misc\16_open_in_bg.png
  • %Program Files%\iie\skin\Default\misc\16_open_in_new.png
  • %Program Files%\iie\skin\Default\misc\16_page.png
  • %Program Files%\iie\skin\Default\misc\16_plugins.png
  • %Program Files%\iie\skin\Default\misc\16_profile.png
  • %Program Files%\iie\skin\Default\misc\16_proxy_advanced.png
  • %Program Files%\iie\skin\Default\misc\16_proxy_mono.png
  • %Program Files%\iie\skin\Default\misc\16_question.png
  • %Program Files%\iie\skin\Default\misc\16_script_error.png
  • %Program Files%\iie\skin\Default\misc\16_secure.png
  • %Program Files%\iie\skin\Default\misc\16_skin.png
  • %Program Files%\iie\skin\Default\misc\16_sniffer.png
  • %Program Files%\iie\skin\Default\misc\16_stop.png
  • %Program Files%\iie\skin\Default\misc\16_translate.png
  • %Program Files%\iie\skin\Default\misc\16_trashcan.png
  • %Program Files%\iie\skin\Default\misc\16_up.png
  • %Program Files%\iie\skin\Default\misc\16_up_level.png
  • %Program Files%\iie\skin\Default\misc\16_validate.png
  • %Program Files%\iie\skin\Default\misc\16_views.png
  • %Program Files%\iie\skin\Default\misc\16_website_info.png
  • %Program Files%\iie\skin\Default\toolbar\16_back.png
  • %Program Files%\iie\skin\Default\toolbar\16_download.png
  • %Program Files%\iie\skin\Default\toolbar\16_encoding.png
  • %Program Files%\iie\skin\Default\toolbar\16_favorites.png
  • %Program Files%\iie\skin\Default\toolbar\16_feed.png
  • %Program Files%\iie\skin\Default\toolbar\16_find.png
  • %Program Files%\iie\skin\Default\toolbar\16_font_size.png
  • %Program Files%\iie\skin\Default\toolbar\16_form_filler.png
  • %Program Files%\iie\skin\Default\toolbar\16_forward.png
  • %Program Files%\iie\skin\Default\toolbar\16_history.png
  • %Program Files%\iie\skin\Default\toolbar\16_history_menu.png
  • %Program Files%\iie\skin\Default\toolbar\16_home.png
  • %Program Files%\iie\skin\Default\toolbar\16_layout.png
  • %Program Files%\iie\skin\Default\toolbar\16_new.png
  • %Program Files%\iie\skin\Default\toolbar\16_options.png
  • %Program Files%\iie\skin\Default\toolbar\16_page_content.png
  • %Program Files%\iie\skin\Default\toolbar\16_page_zoom.png
  • %Program Files%\iie\skin\Default\toolbar\16_print.png
  • %Program Files%\iie\skin\Default\toolbar\16_proxy.png
  • %Program Files%\iie\skin\Default\toolbar\16_refresh.png
  • %Program Files%\iie\skin\Default\toolbar\16_save.png
  • %Program Files%\iie\skin\Default\toolbar\16_search.png
  • %Program Files%\iie\skin\Default\toolbar\16_security.png
  • %Program Files%\iie\skin\Default\toolbar\16_service.png
  • %Program Files%\iie\skin\Default\toolbar\16_source.png
  • %Program Files%\iie\skin\Default\toolbar\16_split_screen.png
  • %Program Files%\iie\skin\Default\toolbar\16_sshot.png
  • %Program Files%\iie\skin\Default\toolbar\16_stop.png
  • %Program Files%\iie\skin\Default\toolbar\16_tools.png
  • %Program Files%\iie\skin\Default\toolbar\16_undo.png
  • %Program Files%\iie\skin\Default\toolbar\18_history_menu.png
  • %Program Files%\iie\skin\Default\toolbar\24_back.png
  • %Program Files%\iie\skin\Default\toolbar\24_download.png
  • %Program Files%\iie\skin\Default\toolbar\24_encoding.png
  • %Program Files%\iie\skin\Default\toolbar\24_favorites.png
  • %Program Files%\iie\skin\Default\toolbar\24_feed.png
  • %Program Files%\iie\skin\Default\toolbar\24_find.png
  • %Program Files%\iie\skin\Default\toolbar\24_font_size.png
  • %Program Files%\iie\skin\Default\toolbar\24_form_filler.png
  • %Program Files%\iie\skin\Default\toolbar\24_forward.png
  • %Program Files%\iie\skin\Default\toolbar\24_history.png
  • %Program Files%\iie\skin\Default\toolbar\24_home.png
  • %Program Files%\iie\skin\Default\toolbar\24_layout.png
  • %Program Files%\iie\skin\Default\toolbar\24_new.png
  • %Program Files%\iie\skin\Default\toolbar\24_options.png
  • %Program Files%\iie\skin\Default\toolbar\24_page_content.png
  • %Program Files%\iie\skin\Default\toolbar\24_page_zoom.png
  • %Program Files%\iie\skin\Default\toolbar\24_print.png
  • %Program Files%\iie\skin\Default\toolbar\24_proxy.png
  • %Program Files%\iie\skin\Default\toolbar\24_refresh.png
  • %Program Files%\iie\skin\Default\toolbar\24_save.png
  • %Program Files%\iie\skin\Default\toolbar\24_search.png
  • %Program Files%\iie\skin\Default\toolbar\24_security.png
  • %Program Files%\iie\skin\Default\toolbar\24_service.png
  • %Program Files%\iie\skin\Default\toolbar\24_source.png
  • %Program Files%\iie\skin\Default\toolbar\24_split_screen.png
  • %Program Files%\iie\skin\Default\toolbar\24_sshot.png
  • %Program Files%\iie\skin\Default\toolbar\24_stop.png
  • %Program Files%\iie\skin\Default\toolbar\24_tools.png
  • %Program Files%\iie\skin\Default\toolbar\24_undo.png
  • %Desktop%\°®Ò×ä¯ÀÀÆ÷.lnk
  • %Start Menu%\°®Ò×ä¯ÀÀÆ÷.lnk
  • %User Profile%\Quick Launch\°®Ò×ä¯ÀÀÆ÷.lnk
  • %Start Menu%\Programs\°®Ò×ä¯ÀÀÆ÷\°®Ò×ä¯ÀÀÆ÷.lnk
  • %Start Menu%\Programs\°®Ò×ä¯ÀÀÆ÷\жÔØ°®Ò×ä¯ÀÀÆ÷.lnk
  • %Program Files%\iie\uninst.exe

Step 5

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\ADMINI~1
  • %User Profile%\LOCALS~1
  • %User Temp%\nso2.tmp
  • %Program Files%\iie
  • %Program Files%\iie\profile
  • %Program Files%\iie\profile\SearchEngine
  • %Program Files%\iie\profile\Template
  • %Program Files%\iie\profile\Template\start
  • %Program Files%\iie\profile\Template\start\images
  • %Program Files%\iie\skin
  • %Program Files%\iie\skin\Default
  • %Program Files%\iie\skin\Default\control
  • %Program Files%\iie\skin\Default\misc
  • %Program Files%\iie\skin\Default\toolbar
  • %System Root%\Documents and Settings\Administrator
  • %Start Menu%\Programs\°®Ò×ä¯ÀÀÆ÷
  • %Program Files%\Common Files\stat.dat

Step 6

Scan your computer with your Trend Micro product to delete files detected as TROJ_FAKEAV.SMCW. 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.

  • %User Temp%\nsz1.tmp
  • %User Temp%\nso2.tmp


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