ALIASES:

Adware:Win32/ArcadeWeb (Microsoft); GameVance (Sunbelt); Gen:Variant.Strictor.2066 (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: 1,016,320 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 25 Jul 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:

  • %Program Files%\ArcadeWeb
  • %User Profile%\Application Data\Mozilla
  • %User Profile%\Mozilla\Extensions
  • %User Profile%\Extensions\{ec8030f7-c20a-464f-9b0e-13a3a9e97384}
  • %User Profile%\{ec8030f7-c20a-464f-9b0e-13a3a9e97384}\text_links@arcadeweb.com
  • %User Profile%\text_links@arcadeweb.com\Chrome
  • %User Profile%\text_links@arcadeweb.com\components
  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\ADMINI~1
  • %User Profile%\LOCALS~1
  • %User Temp%\nss2.tmp
  • %Program Files%\Dogpile Bundle Toolbar

Autostart Technique

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

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
TrayIcRun = "%Program Files%\ArcadeWeb\tray.exe"

It registers itself as a BHO to ensure its automatic execution every time Internet Explorer is used by adding the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}

Other System Modifications

This Trojan deletes the following files:

  • %User Profile%\components\arcadewebfirefox2.dll
  • %User Profile%\components\arcadewebfirefox3.dll
  • %User Profile%\components\arcadewebfirefox2.dll.temp
  • %User Profile%\components\arcadewebfirefox3.dll.temp
  • %User Temp%\nss1.tmp
  • %User Temp%\nss2.tmp

(Note: %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.. %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.)

It deletes the following folders:

  • %User Profile%\{ec8030f7-c20a-464f-9b0e-13a3a9e97384}\textlinks@arcadeweb.com

It adds the following registry keys:

HKEY_CURRENT_USER\Software\AppDataLow\
AWGAMECONFIG

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
AWSoftware

HKEY_CLASSES_ROOT\AWGames.Addon.1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AWGames.Addon.1\CLSID

HKEY_CLASSES_ROOT\AWGames.Addon

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AWGames.Addon\CLSID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AWGames.Addon\CurVer

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\ProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\VersionIndependentProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\Programmable

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\InprocServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\
FLAGS

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\
0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\
0\win32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\
HELPDIR

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
Google Chrome

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
Google Chrome

HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\
System\BIOS

HKEY_LOCAL_MACHINE\SOFTWARE\FCTB000060231

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
AWSoftware
DisplayName = "ArcadeWeb"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
AWSoftware
UninstallString = "%Program Files%\ArcadeWeb\awun.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
AWSoftware
DisplayIcon = "%Program Files%\ArcadeWeb\awun.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
AWSoftware
DisplayVersion = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
AWSoftware
HelpLink = "http://www.{BLOCKED}web.com/static/support-center"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
AWSoftware
URLInfoAbout = "http://www.{BLOCKED}web.com/static/support-center"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
AWSoftware
URLUpdateInfo = "http://www.{BLOCKED}web.com/static/support-center"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\InprocServer32
ThreadingModel = "Apartment"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}
NoExplorer = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib
Version = "1.0"

HKEY_CURRENT_USER\Software\AppDataLow\
AWGAMECONFIG
ait = "{random values}"

HKEY_CURRENT_USER\Software\AppDataLow\
AWGAMECONFIG
lcd = "336"

HKEY_CURRENT_USER\Software\AppDataLow\
AWGAMECONFIG
tck = "MbAFa49751cB3pO2Re1P"

HKEY_CURRENT_USER\Software\AppDataLow\
AWGAMECONFIG
autoupd = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main
Enable Browser Extensions = "yes"

HKEY_LOCAL_MACHINE\SOFTWARE\FCTB000060231
FirstLaunch = "0"

It deletes the following registry keys:

HKEY_CURRENT_USER\Software\AppDataLow\
ArcadeWeb

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
Arcadeweb

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Ext\
Settings\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Ext\
Settings\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}

HKEY_USERS\S-1-5-21-4025279379-4087772427-2915903831-500\Software\
Microsoft\Windows\CurrentVersion\
Ext\Settings\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}

HKEY_USERS\S-1-5-21-4025279379-4087772427-2915903831-500_Classes\Software\
Microsoft\Windows\CurrentVersion\
Ext\Settings\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{78919608-B066-4B5A-B248-38E12A783E05}

HKEY_CLASSES_ROOT\AppID\{78919608-B066-4B5A-B248-38E12A783E05}

HKEY_CLASSES_ROOT\CLSID\{78919608-B066-4B5A-B248-38E12A783E05}\
InprocServer32

HKEY_LOCAL_MACHINE\CLSID\{78919608-B066-4B5A-B248-38E12A783E05}\
InprocServer32

HKEY_CLASSES_ROOT\CLSID\{78919608-B066-4B5A-B248-38E12A783E05}

HKEY_LOCAL_MACHINE\CLSID\{78919608-B066-4B5A-B248-38E12A783E05}

Dropping Routine

This Trojan drops the following files:

  • %Program Files%\ArcadeWeb\awun.exe
  • %Program Files%\ArcadeWeb\tray.exe
  • %Program Files%\ArcadeWeb\arcadeweb32.dll
  • %User Profile%\text_links@arcadeweb.com\chrome.manifest
  • %User Profile%\text_links@arcadeweb.com\install.rdf
  • %User Profile%\Chrome\awtextlinks.jar
  • %User Profile%\components\arcadewebfirefox.dll
  • %User Profile%\components\AWextension.js
  • %User Profile%\components\arcadewebfirefox.xpt
  • %User Temp%\dpinst.exe
  • %User Temp%\nss2.tmp\UserInfo.dll
  • %User Temp%\nss2.tmp\options.ini
  • %User Temp%\nss2.tmp\gplunger.dll
  • %User Temp%\nss2.tmp\nsisFirewall.dll
  • %User Temp%\nss2.tmp\InetLoad.dll
  • %User Temp%\nss2.tmp\frtb_static_files.cab

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}sframework.com/aw/getExternalGamesInfo/ticket=MbAFa49751cB3pO2Re1P
  • http://www.{BLOCKED}web.com/aj/bund.php?{random characters}
  • http://www.{BLOCKED}web.com/aj/inst.php?{random characters}
  • http://web1.{BLOCKED}n.com/download/dogpiletoolbar/Dogpile_Toolbar.exe
  • http://s31.{BLOCKED}use.com/frtb_static_files.cab

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine: 9.200

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Restart in Safe Mode

[ Learn More ]

Step 3

Close all opened browser windows

Step 4

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\AppDataLow
    • AWGAMECONFIG
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • AWSoftware
  • In HKEY_CLASSES_ROOT
    • AWGames.Addon.1
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AWGames.Addon.1
    • CLSID
  • In HKEY_CLASSES_ROOT
    • AWGames.Addon
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AWGames.Addon
    • CLSID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AWGames.Addon
    • CurVer
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
    • {9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}
    • ProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}
    • VersionIndependentProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}
    • Programmable
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}
    • InprocServer32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
    • Browser Helper Objects
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib
    • {2A04A1D0-1969-400E-A53C-6A5433A4B658}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}
    • 1.0
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0
    • FLAGS
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0
    • 0
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\0
    • win32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0
    • HELPDIR
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {21C1577D-B190-4F9D-8034-F26DE5F9F3C2}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}
    • TypeLib
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • Google Chrome
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • Google Chrome
  • In HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System
    • BIOS
  • In HKEY_LOCAL_MACHINE\SOFTWARE
    • FCTB000060231

Step 5

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\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
    • TrayIcRun = "%Program Files%\ArcadeWeb\tray.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\AWSoftware
    • DisplayName = "ArcadeWeb"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\AWSoftware
    • UninstallString = "%Program Files%\ArcadeWeb\awun.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\AWSoftware
    • DisplayIcon = "%Program Files%\ArcadeWeb\awun.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\AWSoftware
    • DisplayVersion = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\AWSoftware
    • HelpLink = "http://www.{BLOCKED}web.com/static/support-center"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\AWSoftware
    • URLInfoAbout = "http://www.{BLOCKED}web.com/static/support-center"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\AWSoftware
    • URLUpdateInfo = "http://www.{BLOCKED}web.com/static/support-center"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\InprocServer32
    • ThreadingModel = "Apartment"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}
    • NoExplorer = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib
    • Version = "1.0"
  • In HKEY_CURRENT_USER\Software\AppDataLow\AWGAMECONFIG
    • ait = "{random values}"
  • In HKEY_CURRENT_USER\Software\AppDataLow\AWGAMECONFIG
    • lcd = "336"
  • In HKEY_CURRENT_USER\Software\AppDataLow\AWGAMECONFIG
    • tck = "MbAFa49751cB3pO2Re1P"
  • In HKEY_CURRENT_USER\Software\AppDataLow\AWGAMECONFIG
    • autoupd = "1"
  • In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
    • Enable Browser Extensions = "yes"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\FCTB000060231
    • FirstLaunch = "0"

Step 6

Search and delete these files

[ Learn More ]
There may be some component files 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.
  • %Program Files%\ArcadeWeb\awun.exe
  • %Program Files%\ArcadeWeb\tray.exe
  • %Program Files%\ArcadeWeb\arcadeweb32.dll
  • %User Profile%\text_links@arcadeweb.com\chrome.manifest
  • %User Profile%\text_links@arcadeweb.com\install.rdf
  • %User Profile%\Chrome\awtextlinks.jar
  • %User Profile%\components\arcadewebfirefox.dll
  • %User Profile%\components\AWextension.js
  • %User Profile%\components\arcadewebfirefox.xpt
  • %User Temp%\dpinst.exe
  • %User Temp%\nss2.tmp\UserInfo.dll
  • %User Temp%\nss2.tmp\options.ini
  • %User Temp%\nss2.tmp\gplunger.dll
  • %User Temp%\nss2.tmp\nsisFirewall.dll
  • %User Temp%\nss2.tmp\InetLoad.dll
  • %User Temp%\nss2.tmp\frtb_static_files.cab

Step 7

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.
  • %Program Files%\ArcadeWeb
  • %User Profile%\Application Data\Mozilla
  • %User Profile%\Mozilla\Extensions
  • %User Profile%\Extensions\{ec8030f7-c20a-464f-9b0e-13a3a9e97384}
  • %User Profile%\{ec8030f7-c20a-464f-9b0e-13a3a9e97384}\text_links@arcadeweb.com
  • %User Profile%\text_links@arcadeweb.com\Chrome
  • %User Profile%\text_links@arcadeweb.com\components
  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\ADMINI~1
  • %User Profile%\LOCALS~1
  • %User Temp%\nss2.tmp
  • %Program Files%\Dogpile Bundle Toolbar

Step 8

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_PAM_0000010544.T3. 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 9

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 Profile%\components\arcadewebfirefox2.dll
  • %User Profile%\components\arcadewebfirefox3.dll
  • %User Profile%\components\arcadewebfirefox2.dll.temp
  • %User Profile%\components\arcadewebfirefox3.dll.temp
  • %User Temp%\nss1.tmp
  • %User Temp%\nss2.tmp

Step 10

Restore these deleted registry keys/values from backup

*Note: Only Microsoft-related keys/values will be restored. If the malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.

  • In HKEY_CURRENT_USER\Software\AppDataLow
    • ArcadeWeb
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • Arcadeweb
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Ext\Settings
    • {9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Settings
    • {9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}
  • In HKEY_USERS\S-1-5-21-4025279379-4087772427-2915903831-500\Software\Microsoft\Windows\CurrentVersion\Ext\Settings
    • {9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}
  • In HKEY_USERS\S-1-5-21-4025279379-4087772427-2915903831-500_Classes\Software\Microsoft\Windows\CurrentVersion\Ext\Settings
    • {9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects
    • {78919608-B066-4B5A-B248-38E12A783E05}
  • In HKEY_CLASSES_ROOT\AppID
    • {78919608-B066-4B5A-B248-38E12A783E05}
  • In HKEY_CLASSES_ROOT\CLSID\{78919608-B066-4B5A-B248-38E12A783E05}
    • InprocServer32
  • In HKEY_LOCAL_MACHINE\CLSID\{78919608-B066-4B5A-B248-38E12A783E05}
    • InprocServer32
  • In HKEY_CLASSES_ROOT\CLSID
    • {78919608-B066-4B5A-B248-38E12A783E05}
  • In HKEY_LOCAL_MACHINE\CLSID
    • {78919608-B066-4B5A-B248-38E12A783E05}


Did this description help? Tell us how we did.