PUA.Win32.ADON.B
TrojanClicker:Win32/Yabector!rfn (Microsoft), W32/Adware_fam.NB (Fortinet)
Windows

Threat Type: Potentially Unwanted Application
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Potentially Unwanted Application 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
220,454 bytes
EXE
Yes
Arrival Details
This Potentially Unwanted Application 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 Potentially Unwanted Application drops the following files:
- %Program Files%\Unlocker\Unlocker.exe
- %Program Files%\Unlocker\UnlockerDriver5.sys
- %Program Files%\Unlocker\UnlockerAssistant.exe
- %Program Files%\Unlocker\UnlockerHook.dll
- %Program Files%\Unlocker\README.TXT
- %Program Files%\Unlocker\UnlockerCOM.dll
- %Program Files%\Unlocker\Unlocker.url
- %Program Files%\Unlocker\uninst.exe
- %Application Data%\Desktopicon\uninst.exe
- %Application Data%\Desktopicon\eBay.ico
- %Common Start Menu%\Programs\Unlocker\Website.lnk
- %Common Start Menu%\Programs\Unlocker\README.lnk
- %Common Start Menu%\Programs\Unlocker\Start Unlocker Assistant.lnk
- %Common Start Menu%\Programs\Unlocker\Uninstall.lnk
- %Application Data%\Microsoft\Internet Explorer\Quick Launch\eBay.lnk
- %Desktop%\eBay.lnk
- %Start Menu%\eBay.lnk
- %User Temp%\nsn17A1.tmp\LangDLL.dll
- %User Temp%\nsn17A1.tmp\eBay_shortcuts_1016_new.exe
- %User Temp%\nsn17A1.tmp\ioSpecial.ini
- %User Temp%\nsn17A1.tmp\modern-wizard.bmp
- %User Temp%\nsn17A1.tmp\InstallOptions.dll
(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).. %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Common Start Menu% is the start menu folder for all users, which is usually C:\Documents and Settings\All Users\Start Menu on Windows 2000, XP, and Server 2003, or C:\ProgramData\Microsoft\Windows\Start Menu on Windows Vista, 7, and 8.. %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\Desktop on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(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(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista, 7, 8, 8.1, 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).)
It adds the following processes:
- %Program Files%\Unlocker\UnlockerAssistant.exe
- %User Temp%\nsn17A1.tmp\eBay_shortcuts_1016_new.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).)
Other System Modifications
This Potentially Unwanted Application adds the following registry entries:
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\UnlockerDriver5
ImagePath = %Program Files%\Unlocker\UnlockerDriver5.sys
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\UnlockerDriver5
Type = 1
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}
(Default) = UnlockerShellExtension
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}\InProcServer32
(Default) = %Program Files%\Unlocker\UnlockerCOM.dll
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}\InProcServer32
ThreadingModel = Apartment
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\UnlockerShellExtension
(Default) = {DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Folder\ShellEx\ContextMenuHandlers\
UnlockerShellExtension
(Default) = {DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Shell Extensions\
Approved
{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83} = UnlockerShellExtension
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
UnlockerAssistant = "%Program Files%\Unlocker\UnlockerAssistant.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\App Paths\
Unlocker.exe
(Default) = %Program Files%\Unlocker\Unlocker.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Unlocker
Language = 1033
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Unlocker
OnlineVersion = 1.8.8
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Unlocker
DisplayName = Unlocker 1.8.8
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Unlocker
UninstallString = %Program Files%\Unlocker\uninst.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Unlocker
DisplayIcon = %Program Files%\Unlocker\Unlocker.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Unlocker
DisplayVersion = 1.8.8
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Unlocker
URLInfoAbout = hp://{BLOCKED}mb.free.fr/unlocker/
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Unlocker
Publisher = Cedrick Collomb
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
eBay Icon
DisplayName = eBay Icon
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
eBay Icon
UninstallString = %Application Data%\Desktopicon\uninst.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
eBay Icon
DisplayIcon = %Application Data%\Desktopicon\eBay.ico
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
eBay Icon
DisplayVersion = 1.0
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
eBay Icon
URLInfoAbout = http://www.{BLOCKED}n-media.de
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
eBay Icon
Publisher = AD ON Multimedia Advertising GmbH
Other Details
This Potentially Unwanted Application adds the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Unlocker
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\UnlockerDriver5
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}\InProcServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\UnlockerShellExtension
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Folder\ShellEx\ContextMenuHandlers\
UnlockerShellExtension
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\App Paths\
Unlocker.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
eBay Icon
SOLUTION
9.800
2.265.00
03 Mar 2020
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
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 3
Identify and terminate files detected as PUA.Win32.ADON.B
- 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.
- 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.
- If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.
Step 4
Delete this registry value
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.
Step 5
Delete this registry key
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\Uninstall\Unlocker
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\UnlockerDriver5
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}\InProcServer32
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\UnlockerShellExtension
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Folder\ShellEx\ContextMenuHandlers\UnlockerShellExtension
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\Unlocker.exe
Step 6
Search and delete this file
- %Program Files%\Unlocker\Unlocker.exe
- %Program Files%\Unlocker\UnlockerDriver5.sys
- %Program Files%\Unlocker\UnlockerAssistant.exe
- %Program Files%\Unlocker\UnlockerHook.dll
- %Program Files%\Unlocker\README.TXT
- %Program Files%\Unlocker\UnlockerCOM.dll
- %Program Files%\Unlocker\Unlocker.url
- %Program Files%\Unlocker\uninst.exe
- %Application Data%\Desktopicon\uninst.exe
- %Application Data%\Desktopicon\eBay.ico
- %Common Start Menu%\Programs\Unlocker\Website.lnk
- %Common Start Menu%\Programs\Unlocker\README.lnk
- %Common Start Menu%\Programs\Unlocker\Start Unlocker Assistant.lnk
- %Common Start Menu%\Programs\Unlocker\Uninstall.lnk
- %Application Data%\Microsoft\Internet Explorer\Quick Launch\eBay.lnk
- %Desktop%\eBay.lnk
- %Start Menu%\eBay.lnk
- %User Temp%\nsn17A1.tmp\LangDLL.dll
- %User Temp%\nsn17A1.tmp\eBay_shortcuts_1016_new.exe
- %User Temp%\nsn17A1.tmp\ioSpecial.ini
- %User Temp%\nsn17A1.tmp\modern-wizard.bmp
- %User Temp%\nsn17A1.tmp\InstallOptions.dll
Step 7
Scan your computer with your Trend Micro product to delete files detected as PUA.Win32.ADON.B. 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 the following Trend Micro Support pages for more information:
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