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Removal instructions for Website Security Checker

- - - - - BrowserSecurityCenter

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Metallica

Metallica

    Spyware Veteran

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Content is republished with permission from Malwarebytes.

What is Website Security Checker?

The Malwarebytes research team has determined that Website Security Checker is a search hijacker. These so-called "hijackers" manipulate your browser(s), for example to change your startpage or searchscopes, so that the affected browser visits their site or one of their choice.

How do I know if my computer is affected by Website Security Checker?

You may see this entry in your list of installed Chrome extensions:

main.png

and these warnings during install:

warning1.png

warning2.png

warning3.png

You will see this icon in your Chrome menu-bar:

icons.png

which shows this screen when activated:

warning6.png

and this changed setting:

warning5.png

How did Website Security Checker get on my computer?

Browser hijackers use different methods for distributing themselves. This particular one was downloaded from the webstore:

webstore.png

after a redirect from their website:

website.png

How do I remove Website Security Checker?

Our program Malwarebytes can detect and remove this potentially unwanted program.
  • Please download Malwarebytes for Windows to your desktop.
  • Double-click MBSetup.exe and follow the prompts to install the program.
  • When your Malwarebytes for Windows installation completes, the program opens to the Welcome to Malwarebytes screen.
  • Click on the Get started button.
  • Click Scan to start a Threat Scan.
  • When the scan is finished click Quarantine to remove the found threats.
  • Reboot the system if prompted to complete the removal process.
Is there anything else I need to do to get rid of Website Security Checker?
  • No, Malwarebytes removes Website Security Checker completely.
How would the full version of Malwarebytes help protect me?

We hope our application and this guide have helped you eradicate this hijacker.

As you can see below Malwarebytes Browser Guard, and the full version of Malwarebytes would have protected you against the Website Security Checker hijacker. It would have blocked their website, giving you a chance to stop it before it became too late.

protection1.png


Technical details for experts

Possible signs in FRST logs:

CHR DefaultSearchURL: Default -> hxxps://browsersecuritycenter.com/search-bing?q={searchTerms}&appId=11&src=bar
CHR DefaultSearchKeyword: Default -> wsc
CHR DefaultSuggestURL: Default -> hxxps://browsersecuritycenter.com/suggest.php?q={searchTerms}
CHR Extension: (Website Security Checker) - C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljkkpkdpbkpleocebnnbombipefgpkgf [2019-12-04]
Alterations made by the installer:

File system details [View: All details] (Selection)
---------------------------------------------------
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljkkpkdpbkpleocebnnbombipefgpkgf\1.0_0
       Adds the file background.js"="10/10/2019 1:54 PM, 1590 bytes, A
       Adds the file icon-128.png"="12/4/2019 8:55 AM, 7139 bytes, A
       Adds the file manifest.json"="12/4/2019 8:55 AM, 1535 bytes, A
       Adds the file popup.html"="10/10/2019 2:33 PM, 932 bytes, A
       Adds the file popup.js"="10/10/2019 2:31 PM, 1163 bytes, A
       Adds the file popup-insecure.jpg"="10/10/2019 2:24 PM, 26191 bytes, A
       Adds the file popup-secure.jpg"="10/10/2019 2:23 PM, 24220 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljkkpkdpbkpleocebnnbombipefgpkgf\1.0_0\_metadata
       Adds the file computed_hashes.json"="12/4/2019 8:55 AM, 1081 bytes, A
       Adds the file verified_contents.json"="10/10/2019 1:53 PM, 1967 bytes, A

Registry details [View: All details] (Selection)
------------------------------------------------
    [HKEY_CURRENT_USER\Software\Google\Chrome\PreferenceMACs\Default\extensions.settings]
       "ljkkpkdpbkpleocebnnbombipefgpkgf"="REG_SZ", "0886B1E5D2096805FB36F892E97F5F0A170E0A088DC7D96639E0BB13C4949EEC"

Malwarebytes log:

Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 12/4/19
Scan Time: 9:19 AM
Log File: cb62d95a-166e-11ea-b6b5-00ffdcc6fdfc.json

-Software Information-
Version: 4.0.4.49
Components Version: 1.0.770
Update Package Version: 1.0.15704
License: Premium

-System Information-
OS: Windows 7 Service Pack 1
CPU: x64
File System: NTFS
User: {computername}\{username}

-Scan Summary-
Scan Type: Threat Scan
Scan Initiated By: Manual
Result: Completed
Objects Scanned: 234474
Threats Detected: 15
Threats Quarantined: 15
Time Elapsed: 5 min, 54 sec

-Scan Options-
Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Disabled
Heuristics: Enabled
PUP: Detect
PUM: Detect

-Scan Details-
Process: 0
(No malicious items detected)

Module: 0
(No malicious items detected)

Registry Key: 0
(No malicious items detected)

Registry Value: 1
PUP.Optional.BrowserSecurityCenter, HKCU\SOFTWARE\GOOGLE\CHROME\PREFERENCEMACS\Default\extensions.settings|ljkkpkdpbkpleocebnnbombipefgpkgf, Quarantined, 454, 769475, , , , 

Registry Data: 0
(No malicious items detected)

Data Stream: 0
(No malicious items detected)

Folder: 3
PUP.Optional.BrowserSecurityCenter, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljkkpkdpbkpleocebnnbombipefgpkgf\1.0_0\_metadata, Quarantined, 454, 769475, , , , 
PUP.Optional.BrowserSecurityCenter, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljkkpkdpbkpleocebnnbombipefgpkgf\1.0_0, Quarantined, 454, 769475, , , , 
PUP.Optional.BrowserSecurityCenter, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\DEFAULT\EXTENSIONS\LJKKPKDPBKPLEOCEBNNBOMBIPEFGPKGF, Quarantined, 454, 769475, 1.0.15704, , ame, 

File: 11
PUP.Optional.BrowserSecurityCenter, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Secure Preferences, Replaced, 454, 769475, , , , 
PUP.Optional.BrowserSecurityCenter, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Preferences, Replaced, 454, 769475, , , , 
PUP.Optional.BrowserSecurityCenter, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\DEFAULT\EXTENSIONS\LJKKPKDPBKPLEOCEBNNBOMBIPEFGPKGF\1.0_0\MANIFEST.JSON, Quarantined, 454, 769475, 1.0.15704, , ame, 
PUP.Optional.BrowserSecurityCenter, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljkkpkdpbkpleocebnnbombipefgpkgf\1.0_0\_metadata\computed_hashes.json, Quarantined, 454, 769475, , , , 
PUP.Optional.BrowserSecurityCenter, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljkkpkdpbkpleocebnnbombipefgpkgf\1.0_0\_metadata\verified_contents.json, Quarantined, 454, 769475, , , , 
PUP.Optional.BrowserSecurityCenter, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljkkpkdpbkpleocebnnbombipefgpkgf\1.0_0\background.js, Quarantined, 454, 769475, , , , 
PUP.Optional.BrowserSecurityCenter, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljkkpkdpbkpleocebnnbombipefgpkgf\1.0_0\icon-128.png, Quarantined, 454, 769475, , , , 
PUP.Optional.BrowserSecurityCenter, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljkkpkdpbkpleocebnnbombipefgpkgf\1.0_0\popup-insecure.jpg, Quarantined, 454, 769475, , , , 
PUP.Optional.BrowserSecurityCenter, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljkkpkdpbkpleocebnnbombipefgpkgf\1.0_0\popup-secure.jpg, Quarantined, 454, 769475, , , , 
PUP.Optional.BrowserSecurityCenter, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljkkpkdpbkpleocebnnbombipefgpkgf\1.0_0\popup.html, Quarantined, 454, 769475, , , , 
PUP.Optional.BrowserSecurityCenter, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljkkpkdpbkpleocebnnbombipefgpkgf\1.0_0\popup.js, Quarantined, 454, 769475, , , , 

Physical Sector: 0
(No malicious items detected)

WMI: 0
(No malicious items detected)


(end)
As mentioned before the full version of Malwarebytes could have protected your computer against this threat.
We use different ways of protecting your computer(s):
  • Dynamically Blocks Malware Sites & Servers
  • Malware Execution Prevention
Save yourself the hassle and get protected.
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