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Removal instructions for Best Coupons Now Promos

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Started by Metallica , Apr 07 2020 03:55 AM

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#1
Metallica
Posted 07 April 2020 - 03:55 AM

Metallica

    Spyware Veteran

  • GeekU Moderator
  • 33,101 posts
Content is republished with permission from Malwarebytes.

What is Best Coupons Now Promos?

The Malwarebytes research team has determined that Best Coupons Now Promos is a potentially unwanted program that behaves like adware. These adware applications display advertisements not originating from the sites you are browsing.
This particular one shows popups on websites the user is visiting with the affected browser.

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

main.png

this icon in the Chrome menu-bar:

icons.png

You may have noticed these warnings during install:

warning1.png

warning2.png

and this type of popups:

warning5.png

How did Best Coupons Now Promos get on my computer?

PUPs 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 Best Coupons Now Promos?

Our program Malwarebytes can detect and remove this adware 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 Best Coupons Now Promos?
  • No, Malwarebytes removes Best Coupons Now Promos completely.
How would the full version of Malwarebytes help protect me?

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

As you can see below the full version of Malwarebytes would have protected you against the Best Coupons Now Promos adware. It would have blocked their domain before it became too late.

protection2.png


Technical details for experts

Possible signs in FRST logs:
CHR Extension: (Best Coupons Now Promos) - C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\eialjdelamohblmmaaanpcpmneccjfpf [2020-04-07]
Significant changes 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\eialjdelamohblmmaaanpcpmneccjfpf\1.1.1075.102_0
       Adds the file background.html"="2/25/2020 2:37 PM, 1752 bytes, A
       Adds the file block-list.txt"="2/25/2020 2:37 PM, 254 bytes, A
       Adds the file manifest.json"="4/7/2020 8:51 AM, 1730 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\eialjdelamohblmmaaanpcpmneccjfpf\1.1.1075.102_0\_metadata
       Adds the file computed_hashes.json"="4/7/2020 8:51 AM, 4478 bytes, A
       Adds the file verified_contents.json"="2/25/2020 2:37 PM, 6177 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\eialjdelamohblmmaaanpcpmneccjfpf\1.1.1075.102_0\control\background
       Adds the file ad-request-handler.js"="2/25/2020 2:37 PM, 3307 bytes, A
       Adds the file ad-response-handler.js"="2/25/2020 2:37 PM, 2928 bytes, A
       Adds the file background-event-manager.js"="2/25/2020 2:37 PM, 6434 bytes, A
       Adds the file background-initializer.js"="2/25/2020 2:37 PM, 2286 bytes, A
       Adds the file block-list-handler.js"="2/25/2020 2:37 PM, 548 bytes, A
       Adds the file branding-event-handler.js"="2/25/2020 2:37 PM, 798 bytes, A
       Adds the file display-ad-delivery-handler.js"="2/25/2020 2:37 PM, 4011 bytes, A
       Adds the file ext-install-handler.js"="2/25/2020 2:37 PM, 483 bytes, A
       Adds the file ext-update-handler.js"="2/25/2020 2:37 PM, 94 bytes, A
       Adds the file lightbox-ad-delivery-handler.js"="2/25/2020 2:37 PM, 2095 bytes, A
       Adds the file push-ad-delivery-handler.js"="2/25/2020 2:37 PM, 3642 bytes, A
       Adds the file timer-heart-beat-handler.js"="2/25/2020 2:37 PM, 275 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\eialjdelamohblmmaaanpcpmneccjfpf\1.1.1075.102_0\control\content
       Adds the file content.js"="2/25/2020 2:37 PM, 42834 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\eialjdelamohblmmaaanpcpmneccjfpf\1.1.1075.102_0\helper
       Adds the file constants.js"="2/25/2020 2:37 PM, 2147 bytes, A
       Adds the file utility.js"="2/25/2020 2:37 PM, 6125 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\eialjdelamohblmmaaanpcpmneccjfpf\1.1.1075.102_0\helper\logger
       Adds the file logger.js"="2/25/2020 2:37 PM, 966 bytes, A
       Adds the file logger-chrome-message-channel.js"="2/25/2020 2:37 PM, 250 bytes, A
       Adds the file logger-console-channel.js"="2/25/2020 2:37 PM, 122 bytes, A
       Adds the file logger-network-channel.js"="2/25/2020 2:37 PM, 648 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\eialjdelamohblmmaaanpcpmneccjfpf\1.1.1075.102_0\icons
       Adds the file 128.png"="4/7/2020 8:51 AM, 8051 bytes, A
       Adds the file 16.png"="4/7/2020 8:51 AM, 612 bytes, A
       Adds the file 19.png"="4/7/2020 8:51 AM, 752 bytes, A
       Adds the file 32.png"="4/7/2020 8:51 AM, 1768 bytes, A
       Adds the file 38.png"="4/7/2020 8:51 AM, 2299 bytes, A
       Adds the file 48.png"="4/7/2020 8:51 AM, 3486 bytes, A
       Adds the file 64.png"="4/7/2020 8:51 AM, 4549 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\eialjdelamohblmmaaanpcpmneccjfpf\1.1.1075.102_0\model
       Adds the file ad-info.js"="2/25/2020 2:37 PM, 1650 bytes, A
       Adds the file ad-request.js"="2/25/2020 2:37 PM, 3082 bytes, A
       Adds the file ad-response.js"="2/25/2020 2:37 PM, 1014 bytes, A
       Adds the file context.js"="2/25/2020 2:37 PM, 2049 bytes, A
       Adds the file ext-config.js"="2/25/2020 2:37 PM, 7749 bytes, A
       Adds the file thank-you-page.js"="2/25/2020 2:37 PM, 941 bytes, A
       Adds the file user.js"="2/25/2020 2:37 PM, 5495 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\eialjdelamohblmmaaanpcpmneccjfpf\1.1.1075.102_0\view\background
       Adds the file display-ad-renderer.js"="2/25/2020 2:37 PM, 2604 bytes, A
       Adds the file thank-you-page-renderer.js"="2/25/2020 2:37 PM, 715 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Local Extension Settings\eialjdelamohblmmaaanpcpmneccjfpf
       Adds the file 000003.log"="4/7/2020 8:51 AM, 1464 bytes, A
       Adds the file CURRENT"="4/7/2020 8:51 AM, 16 bytes, A
       Adds the file LOCK"="4/7/2020 8:51 AM, 0 bytes, A
       Adds the file LOG"="4/7/2020 8:55 AM, 184 bytes, A
       Adds the file MANIFEST-000001"="4/7/2020 8:51 AM, 41 bytes, A

Registry details [View: All details] (Selection)
------------------------------------------------
    [HKEY_CURRENT_USER\Software\Google\Chrome\PreferenceMACs\Default\extensions.settings]
       "eialjdelamohblmmaaanpcpmneccjfpf"="REG_SZ", "A03AE77108429908C68E50E557F5D396EDE460C24CFFD7174DB91E3B0172F1B1"
Malwarebytes log:
Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 4/7/20
Scan Time: 9:00 AM
Log File: 7e3657f6-789d-11ea-b6c0-00ffdcc6fdfc.json

-Software Information-
Version: 4.1.0.56
Components Version: 1.0.867
Update Package Version: 1.0.22060
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: 233815
Threats Detected: 11
Threats Quarantined: 11
Time Elapsed: 9 min, 13 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.BestCouponsNow, HKCU\SOFTWARE\GOOGLE\CHROME\PREFERENCEMACS\Default\extensions.settings|eialjdelamohblmmaaanpcpmneccjfpf, Quarantined, 2226, 808229, , , , 

Registry Data: 0
(No malicious items detected)

Data Stream: 0
(No malicious items detected)

Folder: 2
PUP.Optional.BestCouponsNow, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Local Extension Settings\eialjdelamohblmmaaanpcpmneccjfpf, Quarantined, 2226, 808229, , , , 
PUP.Optional.BestCouponsNow, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\EXTENSIONS\eialjdelamohblmmaaanpcpmneccjfpf, Quarantined, 2226, 808229, 1.0.22060, , ame, 

File: 8
PUP.Optional.BestCouponsNow, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Secure Preferences, Replaced, 2226, 808229, , , , 
PUP.Optional.BestCouponsNow, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Preferences, Replaced, 2226, 808229, , , , 
PUP.Optional.BestCouponsNow, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Local Extension Settings\eialjdelamohblmmaaanpcpmneccjfpf\000003.log, Quarantined, 2226, 808229, , , , 
PUP.Optional.BestCouponsNow, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Local Extension Settings\eialjdelamohblmmaaanpcpmneccjfpf\CURRENT, Quarantined, 2226, 808229, , , , 
PUP.Optional.BestCouponsNow, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Local Extension Settings\eialjdelamohblmmaaanpcpmneccjfpf\LOCK, Quarantined, 2226, 808229, , , , 
PUP.Optional.BestCouponsNow, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Local Extension Settings\eialjdelamohblmmaaanpcpmneccjfpf\LOG, Quarantined, 2226, 808229, , , , 
PUP.Optional.BestCouponsNow, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Local Extension Settings\eialjdelamohblmmaaanpcpmneccjfpf\MANIFEST-000001, Quarantined, 2226, 808229, , , , 
PUP.Optional.AdvertisingExt, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\DEFAULT\EXTENSIONS\EIALJDELAMOHBLMMAAANPCPMNECCJFPF\1.1.1075.102_0\MANIFEST.JSON, Quarantined, 1814, 629211, 1.0.22060, , ame, 

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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