ALIASES:

RDN/Generic Downloader.x (McAfee)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Adware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Adware 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: 635,036 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 09 Dec 2019

Arrival Details

This Adware 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 Adware adds the following processes:

  • %Program Files%\Common Files\TBHelper\TBHelper.crx
  • %Program Files%\Common Files\TBHelper\TBHelper_S.sext
  • %User Temp%\07d12b04f57f531daa8a12a40e062eee9e1eba04.jpg
  • "%Program Files%\Common Files\Shell\ShellU.exe"
  • "%System%\regsvr32.exe" /s /u "%Program Files%\Common Files\TBHelper\x64\TBHelper.dll"
  • "%System%\regsvr32.exe" /s "%Program Files%\Common Files\TBHelper\x64\TBHelper.dll"
  • %Program Files%\Common Files\Shell\ShellU.exe
  • %Program Files%\Common Files\Shell\ShellU.exe

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)

It creates the following folders:

  • %Program Files%\Common Files\TBHelper
  • %User Profile%\AppData
  • %Program Files%\Common Files\Shell
  • %Program Files%\Common Files\TBHelper\x64
  • %System Root%\Users

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name} on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)

Autostart Technique

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

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
ShellU = "%Program Files%\Common Files\Shell\ShellU.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\{60D30B56-8DAA-471F-8369-70E9225379E5}

Other System Modifications

This Adware deletes the following folders:

  • %User Temp%\nsu5C06.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(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

It adds the following registry keys:

HKEY_CURRENT_USER\SOFTWARE\Google\
Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika

HKEY_CURRENT_USER\SOFTWARE\360Chrome\
Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika

HKEY_CURRENT_USER\SOFTWARE\360\
360se6\Chrome\Extensions\
godndaaifdenjlnaajkefaildpghdika

HKEY_LOCAL_MACHINE\SOFTWARE\Google\
Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika

HKEY_LOCAL_MACHINE\SOFTWARE\360Chrome\
Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika

HKEY_LOCAL_MACHINE\SOFTWARE\360\
360se6\Chrome\Extensions\
godndaaifdenjlnaajkefaildpghdika

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer\Browser Helper Objects\{60D30B56-8DAA-471F-8369-70E9225379E5}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\
ProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\
VersionIndependentProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\
Programmable

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\
InprocServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\
TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\
Version

HKEY_CLASSES_ROOT\TBHelperBHO.1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TBHelperBHO.1\CLSID

HKEY_CLASSES_ROOT\TBHelperBHO

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TBHelperBHO\CurVer

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\ProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\VersionIndependentProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\Programmable

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\InprocServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\Version

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{A4AC2365-8DD9-4E90-B5C1-541DF2198D32}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{A4AC2365-8DD9-4E90-B5C1-541DF2198D32}\
ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{A4AC2365-8DD9-4E90-B5C1-541DF2198D32}\
TypeLib

It adds the following registry entries:

HKEY_CURRENT_USER\Software\Google\
Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika
path = "%Program Files%\Common Files\TBHelper\TBHelper.crx"

HKEY_CURRENT_USER\Software\Google\
Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika
version = "1.2"

HKEY_CURRENT_USER\Software\360Chrome\
Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika
path = "%Program Files%\Common Files\TBHelper\TBHelper.crx"

HKEY_CURRENT_USER\Software\360Chrome\
Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika
version = "1.2"

HKEY_CURRENT_USER\Software\360\
360se6\Chrome\Extensions\
godndaaifdenjlnaajkefaildpghdika
path = "%Program Files%\Common Files\TBHelper\TBHelper.crx"

HKEY_CURRENT_USER\Software\360\
360se6\Chrome\Extensions\
godndaaifdenjlnaajkefaildpghdika
version = "1.2"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Google\Chrome\Extensions\
godndaaifdenjlnaajkefaildpghdika
path = "%Program Files%\Common Files\TBHelper\TBHelper.crx"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Google\Chrome\Extensions\
godndaaifdenjlnaajkefaildpghdika
version = "1.2"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
360Chrome\Chrome\Extensions\
godndaaifdenjlnaajkefaildpghdika
path = "%Program Files%\Common Files\TBHelper\TBHelper.crx"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
360Chrome\Chrome\Extensions\
godndaaifdenjlnaajkefaildpghdika
version = "1.2"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
360\360se6\Chrome\
Extensions\godndaaifdenjlnaajkefaildpghdika
path = "%Program Files%\Common Files\TBHelper\TBHelper.crx"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
360\360se6\Chrome\
Extensions\godndaaifdenjlnaajkefaildpghdika
version = "1.2"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Shell Extensions\
Cached
{random string} = "\x01\x00\x00\x00\x00\x00\x00\x00\x8f\x10\xb0\xcb\xdcH\xd5\x01"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Run
ShellU = "%Program Files%\Common Files\Shell\ShellU.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer\Browser Helper Objects\{60D30B56-8DAA-471F-8369-70E9225379E5}
(Default) = "TBHelperBHO"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer\Browser Helper Objects\{60D30B56-8DAA-471F-8369-70E9225379E5}
NoExplorer = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TBHelperBHO.1
(Default) = "TBHelper Object"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TBHelperBHO.1\CLSID
(Default) = "{60D30B56-8DAA-471F-8369-70E9225379E5}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TBHelperBHO
(Default) = "TBHelper Object"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TBHelperBHO\CurVer
(Default) = "TBHelperBHO.1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}
(Default) = "TBHelper Object"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\
ProgID
(Default) = "TBHelperBHO.1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\
VersionIndependentProgID
(Default) = "TBHelperBHO"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\
InprocServer32
(Default) = "%Program Files%\Common Files\TBHelper\TBHelper.dll"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\
InprocServer32
ThreadingModel = "Apartment"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\
TypeLib
(Default) = "{FDC90A09-071F-4C13-A492-83CEB820AE2F}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\
Version
(Default) = "1.2"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{60D30B56-8DAA-471F-8369-70E9225379E5}
(Default) = "TBHelperBHO"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{60D30B56-8DAA-471F-8369-70E9225379E5}
NoExplorer = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}
(Default) = "TBHelper Object"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\ProgID
(Default) = "TBHelperBHO.1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\VersionIndependentProgID
(Default) = "TBHelperBHO"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\InprocServer32
(Default) = "%Program Files%\Common Files\TBHelper\x64\TBHelper.dll"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\InprocServer32
ThreadingModel = "Apartment"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\TypeLib
(Default) = "{FDC90A09-071F-4C13-A492-83CEB820AE2F}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\Version
(Default) = "1.2"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{A4AC2365-8DD9-4E90-B5C1-541DF2198D32}
(Default) = "ITBHelperBHO"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{A4AC2365-8DD9-4E90-B5C1-541DF2198D32}\
ProxyStubClsid32
(Default) = "{00020424-0000-0000-C000-000000000046}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{A4AC2365-8DD9-4E90-B5C1-541DF2198D32}\
TypeLib
(Default) = "{FDC90A09-071F-4C13-A492-83CEB820AE2F}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\Interface\{A4AC2365-8DD9-4E90-B5C1-541DF2198D32}\
TypeLib
Version = "1.0"

It modifies the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
Advanced
HideFileExt = "1"

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

Dropping Routine

This Adware drops the following files:

  • %Program Files%\Common Files\Shell\ShellU.exe
  • %Program Files%\Common Files\TBHelper\TBHelper.dll
  • %Program Files%\Common Files\TBHelper\TBHelper.crx
  • %Program Files%\Common Files\TBHelper\TBHelper_S.sext
  • %Program Files%\Common Files\TBHelper\x64\TBHelper.dll
  • %User Temp%\src.jpg
  • %Program Files%\Common Files\Shell\os.dat

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine: 9.850

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Restart in Safe Mode

[ Learn More ]

Step 3

Close all opened browser windows

Step 4

Identify and terminate files detected as Adware.Win32.Amonetize.F

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 5

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\Google\Chrome\Extensions
    • godndaaifdenjlnaajkefaildpghdika
  • In HKEY_CURRENT_USER\SOFTWARE\360Chrome\Chrome\Extensions
    • godndaaifdenjlnaajkefaildpghdika
  • In HKEY_CURRENT_USER\SOFTWARE\360\360se6\Chrome\Extensions
    • godndaaifdenjlnaajkefaildpghdika
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Google\Chrome\Extensions
    • godndaaifdenjlnaajkefaildpghdika
  • In HKEY_LOCAL_MACHINE\SOFTWARE\360Chrome\Chrome\Extensions
    • godndaaifdenjlnaajkefaildpghdika
  • In HKEY_LOCAL_MACHINE\SOFTWARE\360\360se6\Chrome\Extensions
    • godndaaifdenjlnaajkefaildpghdika
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects
    • {60D30B56-8DAA-471F-8369-70E9225379E5}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID
    • {60D30B56-8DAA-471F-8369-70E9225379E5}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}
    • ProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}
    • VersionIndependentProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}
    • Programmable
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}
    • InprocServer32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}
    • Version
  • In HKEY_CLASSES_ROOT
    • TBHelperBHO.1
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TBHelperBHO.1
    • CLSID
  • In HKEY_CLASSES_ROOT
    • TBHelperBHO
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TBHelperBHO
    • CurVer
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
    • {60D30B56-8DAA-471F-8369-70E9225379E5}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}
    • ProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}
    • VersionIndependentProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}
    • Programmable
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}
    • InprocServer32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}
    • Version
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface
    • {A4AC2365-8DD9-4E90-B5C1-541DF2198D32}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A4AC2365-8DD9-4E90-B5C1-541DF2198D32}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A4AC2365-8DD9-4E90-B5C1-541DF2198D32}
    • TypeLib

Step 6

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
    • ShellU = "%Program Files%\Common Files\Shell\ShellU.exe"
  • In HKEY_CURRENT_USER\Software\Google\Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika
    • path = "%Program Files%\Common Files\TBHelper\TBHelper.crx"
  • In HKEY_CURRENT_USER\Software\Google\Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika
    • version = "1.2"
  • In HKEY_CURRENT_USER\Software\360Chrome\Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika
    • path = "%Program Files%\Common Files\TBHelper\TBHelper.crx"
  • In HKEY_CURRENT_USER\Software\360Chrome\Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika
    • version = "1.2"
  • In HKEY_CURRENT_USER\Software\360\360se6\Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika
    • path = "%Program Files%\Common Files\TBHelper\TBHelper.crx"
  • In HKEY_CURRENT_USER\Software\360\360se6\Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika
    • version = "1.2"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Google\Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika
    • path = "%Program Files%\Common Files\TBHelper\TBHelper.crx"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Google\Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika
    • version = "1.2"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\360Chrome\Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika
    • path = "%Program Files%\Common Files\TBHelper\TBHelper.crx"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\360Chrome\Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika
    • version = "1.2"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\360\360se6\Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika
    • path = "%Program Files%\Common Files\TBHelper\TBHelper.crx"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\360\360se6\Chrome\Extensions\godndaaifdenjlnaajkefaildpghdika
    • version = "1.2"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached
    • {random string} = "\x01\x00\x00\x00\x00\x00\x00\x00\x8f\x10\xb0\xcb\xdcH\xd5\x01"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run
    • ShellU = "%Program Files%\Common Files\Shell\ShellU.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{60D30B56-8DAA-471F-8369-70E9225379E5}
    • (Default) = "TBHelperBHO"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{60D30B56-8DAA-471F-8369-70E9225379E5}
    • NoExplorer = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TBHelperBHO.1
    • (Default) = "TBHelper Object"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TBHelperBHO.1\CLSID
    • (Default) = "{60D30B56-8DAA-471F-8369-70E9225379E5}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TBHelperBHO
    • (Default) = "TBHelper Object"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TBHelperBHO\CurVer
    • (Default) = "TBHelperBHO.1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}
    • (Default) = "TBHelper Object"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\ProgID
    • (Default) = "TBHelperBHO.1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\VersionIndependentProgID
    • (Default) = "TBHelperBHO"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\InprocServer32
    • (Default) = "%Program Files%\Common Files\TBHelper\TBHelper.dll"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\InprocServer32
    • ThreadingModel = "Apartment"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\TypeLib
    • (Default) = "{FDC90A09-071F-4C13-A492-83CEB820AE2F}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\Version
    • (Default) = "1.2"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{60D30B56-8DAA-471F-8369-70E9225379E5}
    • (Default) = "TBHelperBHO"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{60D30B56-8DAA-471F-8369-70E9225379E5}
    • NoExplorer = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}
    • (Default) = "TBHelper Object"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\ProgID
    • (Default) = "TBHelperBHO.1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\VersionIndependentProgID
    • (Default) = "TBHelperBHO"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\InprocServer32
    • (Default) = "%Program Files%\Common Files\TBHelper\x64\TBHelper.dll"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\InprocServer32
    • ThreadingModel = "Apartment"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\TypeLib
    • (Default) = "{FDC90A09-071F-4C13-A492-83CEB820AE2F}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{60D30B56-8DAA-471F-8369-70E9225379E5}\Version
    • (Default) = "1.2"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A4AC2365-8DD9-4E90-B5C1-541DF2198D32}
    • (Default) = "ITBHelperBHO"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A4AC2365-8DD9-4E90-B5C1-541DF2198D32}\ProxyStubClsid32
    • (Default) = "{00020424-0000-0000-C000-000000000046}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A4AC2365-8DD9-4E90-B5C1-541DF2198D32}\TypeLib
    • (Default) = "{FDC90A09-071F-4C13-A492-83CEB820AE2F}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A4AC2365-8DD9-4E90-B5C1-541DF2198D32}\TypeLib
    • Version = "1.0"

Step 7

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_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
    • From: HideFileExt = "1"
      To: HideFileExt = ""1""

Step 8

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.
  • %Program Files%\Common Files\Shell\ShellU.exe
  • %Program Files%\Common Files\TBHelper\TBHelper.dll
  • %Program Files%\Common Files\TBHelper\TBHelper.crx
  • %Program Files%\Common Files\TBHelper\TBHelper_S.sext
  • %Program Files%\Common Files\TBHelper\x64\TBHelper.dll
  • %User Temp%\src.jpg
  • %Program Files%\Common Files\Shell\os.dat

Step 9

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%\Common Files\TBHelper
  • %User Profile%\AppData
  • %Program Files%\Common Files\Shell
  • %Program Files%\Common Files\TBHelper\x64
  • %System Root%\Users

Step 10

Restart in normal mode and scan your computer with your Trend Micro product for files detected as Adware.Win32.Amonetize.F. 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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