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Removal instructions for AmazingTab

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Started by Metallica , Mar 04 2019 03:11 AM

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#1
Metallica
Posted 04 March 2019 - 03:11 AM

Metallica

    Spyware Veteran

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

What is AmazingTab?

The Malwarebytes research team has determined that AmazingTab is a newtab 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 AmazingTab?

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

warning4.png

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

icons.png

and this changed setting:

warning5.png

How did AmazingTab 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 AmazingTab?

Our program Malwarebytes can detect and remove this potentially unwanted program.
  • 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 AmazingTab?
  • No, Malwarebytes removes AmazingTab completely.
How would the full version of Malwarebytes help protect me?

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

The full version of Malwarebytes would have protected you against the AmazingTab hijacker. It would have blocked their website, giving you a chance to stop it before it became too late.

Technical details for experts

Possible signs in FRST logs:

CHR NewTab: Default ->  Active:"chrome-extension://abjjmjmlahaoilofocbhdholkllkfkjj/SearchPage.html"
CHR Extension: (AmazingTab) - C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj [2019-03-04]
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\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0
       Adds the file closer.js"="9/13/2017 11:07 AM, 15 bytes, A
       Adds the file manifest.json"="3/4/2019 8:59 AM, 1520 bytes, A
       Adds the file SearchPage.html"="1/25/2018 12:35 PM, 428 bytes, A
       Adds the file tab.html"="9/13/2017 11:07 AM, 165 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\_metadata
       Adds the file computed_hashes.json"="3/4/2019 8:59 AM, 1183 bytes, A
       Adds the file verified_contents.json"="1/9/2019 4:47 PM, 2491 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\images\icons
       Adds the file 128x128.png"="3/4/2019 8:59 AM, 7857 bytes, A
       Adds the file 16x16.png"="3/4/2019 8:59 AM, 786 bytes, A
       Adds the file 32x32.png"="3/4/2019 8:59 AM, 1880 bytes, A
       Adds the file favicon.ico"="1/8/2018 1:56 PM, 4314 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\scripts
       Adds the file background.js"="1/17/2019 2:21 PM, 31793 bytes, A
       Adds the file SearchPage.js"="1/8/2018 1:56 PM, 65 bytes, A
       Adds the file sitecontent.js"="1/8/2018 1:56 PM, 77 bytes, A

Registry details [View: All details] (Selection)
------------------------------------------------
    [HKEY_CURRENT_USER\Software\Google\Chrome\PreferenceMACs\Default\extensions.settings]
       "abjjmjmlahaoilofocbhdholkllkfkjj"="REG_SZ", "D24A3207B6FD78659D30C84F220D098D3EA1F2CC8195B8D82545A17D85E24D2E"
Malwarebytes log:

Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 3/4/19
Scan Time: 8:47 AM
Log File: c31a7b37-3e51-11e9-9b07-00ffdcc6fdfc.json

-Software Information-
Version: 3.7.1.2839
Components Version: 1.0.538
Update Package Version: 1.0.9526
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: 236210
Threats Detected: 22
Threats Quarantined: 22
Time Elapsed: 3 min, 40 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: 1
PUP.Optional.AmazingTab.Generic, HKCU\SOFTWARE\GOOGLE\CHROME\PREFERENCEMACS\Default\extensions.settings|abjjmjmlahaoilofocbhdholkllkfkjj, Quarantined, [14680], [569144],1.0.9526

Registry Data: 0
(No malicious items detected)

Data Stream: 0
(No malicious items detected)

Folder: 6
PUP.Optional.AmazingTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\images\icons, Quarantined, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\_metadata, Quarantined, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\scripts, Quarantined, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\images, Quarantined, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0, Quarantined, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\DEFAULT\EXTENSIONS\ABJJMJMLAHAOILOFOCBHDHOLKLLKFKJJ, Quarantined, [14680], [569144],1.0.9526

File: 15
PUP.Optional.AmazingTab.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Secure Preferences, Replaced, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Preferences, Replaced, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\DEFAULT\EXTENSIONS\ABJJMJMLAHAOILOFOCBHDHOLKLLKFKJJ\2.1.0_0\MANIFEST.JSON, Quarantined, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\images\icons\128x128.png, Quarantined, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\images\icons\16x16.png, Quarantined, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\images\icons\32x32.png, Quarantined, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\images\icons\favicon.ico, Quarantined, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\scripts\background.js, Quarantined, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\scripts\SearchPage.js, Quarantined, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\scripts\sitecontent.js, Quarantined, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\_metadata\computed_hashes.json, Quarantined, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\_metadata\verified_contents.json, Quarantined, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\closer.js, Quarantined, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\SearchPage.html, Quarantined, [14680], [569144],1.0.9526
PUP.Optional.AmazingTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\abjjmjmlahaoilofocbhdholkllkfkjj\2.1.0_0\tab.html, Quarantined, [14680], [569144],1.0.9526

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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