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Removal instructions for Seen On Screen

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Started by Metallica , Mar 19 2018 03:26 AM

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#1
Metallica
Posted 19 March 2018 - 03:26 AM

Metallica

    Spyware Veteran

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

What is Seen On Screen?

The Malwarebytes research team has determined that Seen On Screen is a browser NewTab. These so-called "NewTabs" can 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.
Seen On Screen is a member of the Mindspark/Ask family now known as IAC Applications.

How do I know if my computer is affected by Seen On Screen?

You may see this Chrome extension:

main.png

these warnings during install:

warning1.png

warning2.png

warning3.png

and this new homepage in the affected browsers:

startpage.png

How did Seen On Screen get on my computer?

Browser hijackers use different methods for distributing themselves. This particular one was downloaded from their website.

website.png

but is also available on the webstore:

webstore.png

How do I remove Seen On Screen?

Our program Malwarebytes can detect and remove this potentially unwanted program.
You can use their own uninstall instructions first, but I would advise to follow the steps below anyway.
  • Please download Malwarebytes to your desktop.
  • Double-click mb3-setup-consumer-{version}.exe and follow the prompts to install the program.
  • Then click Finish.
  • Once the program has fully updated, select Scan Now on the Dashboard. Or select the Threat Scan from the Scan menu.
  • If another update of the definitions is available, it will be implemented before the rest of the scanning procedure.
  • When the scan is complete, make sure that all Threats are selected, and click Remove Selected.
  • Restart your computer when prompted to do so.
Is there anything else I need to do to get rid of Seen On Screen?
  • If you are using an older version of Malwarebytes, you may have to remove the Chrome extension manually under Tools > More Tools > Extensions. Click on the bin behind the Seen On Screen entry and confirm Remove in the prompt.
  • If your browsers have been hijacked, you should read our Restore Browser page. You can read there how to fix additional browser redirect methods.
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 the full version of Malwarebytes would have protected you against the Seen On Screen hijacker. It would have warned you before the hijacker could install itself, giving you a chance to stop it before it became too late.

protection2.png


Technical details for experts

Possible signs in a FRST log:

CHR Extension: (Seen On Screen) - C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\nompbhgcimpkfinehmhoffjghjaimcoj [2018-03-19]
Significant changes made by the installers:

File system details [View: All details] (Selection)
---------------------------------------------------
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\nompbhgcimpkfinehmhoffjghjaimcoj\13.321.12.20489_0
       Adds the file dynamicNewTab.html"="11/9/2017 10:22 PM, 932 bytes, A
       Adds the file manifest.json"="3/19/2018 9:00 AM, 2484 bytes, A
       Adds the file product.html"="11/9/2017 10:22 PM, 932 bytes, A
       Adds the file stubby.html"="11/9/2017 10:22 PM, 932 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\nompbhgcimpkfinehmhoffjghjaimcoj\13.321.12.20489_0\_metadata
       Adds the file computed_hashes.json"="3/19/2018 9:00 AM, 3881 bytes, A
       Adds the file verified_contents.json"="11/10/2017 3:33 PM, 4749 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\nompbhgcimpkfinehmhoffjghjaimcoj\13.321.12.20489_0\config
       Adds the file config.json"="11/10/2017 3:33 PM, 1772 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\nompbhgcimpkfinehmhoffjghjaimcoj\13.321.12.20489_0\icons
       Adds the file icon128.png"="3/19/2018 9:00 AM, 11153 bytes, A
       Adds the file icon16.png"="11/9/2017 10:22 PM, 778 bytes, A
       Adds the file icon19disabled.png"="11/9/2017 10:22 PM, 536 bytes, A
       Adds the file icon19on.png"="3/19/2018 9:00 AM, 1006 bytes, A
       Adds the file icon48.png"="3/19/2018 9:00 AM, 3915 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\nompbhgcimpkfinehmhoffjghjaimcoj\13.321.12.20489_0\js
       Adds the file ajax.js"="11/9/2017 10:22 PM, 2250 bytes, A
       Adds the file b2b-partner-tracking.js"="11/10/2017 6:55 PM, 11053 bytes, A
       Adds the file background.js"="11/10/2017 3:33 PM, 19852 bytes, A
       Adds the file chrome.js"="11/9/2017 10:22 PM, 180 bytes, A
       Adds the file content_script.js"="11/9/2017 10:22 PM, 5917 bytes, A
       Adds the file dlp.js"="11/9/2017 10:22 PM, 5690 bytes, A
       Adds the file dlpHelper.js"="11/9/2017 10:22 PM, 1836 bytes, A
       Adds the file extension_detect.js"="11/9/2017 10:22 PM, 4343 bytes, A
       Adds the file index.js"="11/9/2017 10:22 PM, 82 bytes, A
       Adds the file logger.js"="11/9/2017 10:22 PM, 575 bytes, A
       Adds the file pageUtils.js"="11/9/2017 10:22 PM, 2241 bytes, A
       Adds the file product.js"="11/9/2017 10:22 PM, 4434 bytes, A
       Adds the file storage.js"="11/9/2017 10:22 PM, 1675 bytes, A
       Adds the file TabManager.js"="11/9/2017 10:22 PM, 189 bytes, A
       Adds the file TemplateParser.js"="11/9/2017 10:22 PM, 3080 bytes, A
       Adds the file ul.js"="11/10/2017 3:33 PM, 3862 bytes, A
       Adds the file urlFragmentActions.js"="11/9/2017 10:22 PM, 2521 bytes, A
       Adds the file urlUtils.js"="11/9/2017 10:22 PM, 5385 bytes, A
       Adds the file util.js"="11/10/2017 3:33 PM, 4877 bytes, A
       Adds the file webtooltabAPI.js"="11/9/2017 10:22 PM, 8357 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\nompbhgcimpkfinehmhoffjghjaimcoj\13.321.12.20489_0\libs
       Adds the file PartnerId.js"="11/9/2017 10:22 PM, 22130 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Local Extension Settings\nompbhgcimpkfinehmhoffjghjaimcoj
       Adds the file 000003.log"="3/19/2018 9:00 AM, 0 bytes, A
       Adds the file CURRENT"="3/19/2018 9:00 AM, 16 bytes, A
       Adds the file LOCK"="3/19/2018 9:00 AM, 0 bytes, A
       Adds the file LOG"="3/19/2018 9:00 AM, 0 bytes, A
       Adds the file MANIFEST-000001"="3/19/2018 9:00 AM, 41 bytes, A

Registry details [View: All details] (Selection)
------------------------------------------------
    [HKEY_CURRENT_USER\Software\Google\Chrome\PreferenceMACs\Default\extensions.settings]
       "nompbhgcimpkfinehmhoffjghjaimcoj"="REG_SZ", "C0304E5457A80905FB1ED252E63F54321143E6972F969FDF252A1E271765AAC2"
The Malwarebytes scan log:

Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 3/19/18
Scan Time: 9:08 AM
Log File: ba2397c5-2b4c-11e8-8c65-080027235d76.json
Administrator: Yes

-Software Information-
Version: 3.3.1.2183
Components Version: 1.0.262
Update Package Version: 1.0.4406
License: Premium

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

-Scan Summary-
Scan Type: Threat Scan
Result: Completed
Objects Scanned: 243932
Threats Detected: 48
Threats Quarantined: 48
Time Elapsed: 2 min, 45 sec

-Scan Options-
Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Enabled
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: 0
(No malicious items detected)

Registry Data: 0
(No malicious items detected)

Data Stream: 0
(No malicious items detected)

Folder: 8
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Local Extension Settings\jifpmgjhiagbmhjdefllbmdjcaidnlpd, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\_metadata, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\config, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\icons, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\libs, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\DEFAULT\EXTENSIONS\JIFPMGJHIAGBMHJDEFLLBMDJCAIDNLPD, Quarantined, [504], [443165],1.0.4406

File: 40
PUP.Optional.SeenOnScreen, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Secure Preferences, Replaced, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Preferences, Replaced, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Local Extension Settings\jifpmgjhiagbmhjdefllbmdjcaidnlpd\000003.log, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Local Extension Settings\jifpmgjhiagbmhjdefllbmdjcaidnlpd\CURRENT, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Local Extension Settings\jifpmgjhiagbmhjdefllbmdjcaidnlpd\LOCK, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Local Extension Settings\jifpmgjhiagbmhjdefllbmdjcaidnlpd\LOG, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Local Extension Settings\jifpmgjhiagbmhjdefllbmdjcaidnlpd\MANIFEST-000001, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\DEFAULT\EXTENSIONS\JIFPMGJHIAGBMHJDEFLLBMDJCAIDNLPD\13.321.12.20489_0\MANIFEST.JSON, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\config\config.json, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\icons\icon128.png, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\icons\icon16.png, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\icons\icon19disabled.png, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\icons\icon19on.png, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\icons\icon48.png, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\ajax.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\b2b-partner-tracking.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\background.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\chrome.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\content_script.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\dlp.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\dlpHelper.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\extension_detect.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\index.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\logger.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\pageUtils.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\product.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\storage.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\TabManager.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\TemplateParser.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\ul.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\urlFragmentActions.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\urlUtils.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\util.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\js\webtooltabAPI.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\libs\PartnerId.js, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\_metadata\computed_hashes.json, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\_metadata\verified_contents.json, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\dynamicNewTab.html, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\product.html, Quarantined, [504], [443165],1.0.4406
PUP.Optional.SeenOnScreen, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jifpmgjhiagbmhjdefllbmdjcaidnlpd\13.321.12.20489_0\stubby.html, Quarantined, [504], [443165],1.0.4406

Physical Sector: 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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