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[Metallica]

Content is republished with permission from Malwarebytes.

What is Package Tracker Express BETA EXTENSION?

The Malwarebytes research team has determined that Package Tracker Express BETA EXTENSION 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.
This particular one is a newtab hijacker and sometimes uses web push notifications.

How do I know if my computer is affected by Package Tracker Express BETA EXTENSION?

You may see this browser extension:



these warnings during install:







You may see this new startpage:



and this new setting:



How did Package Tracker Express BETA EXTENSION get on my computer?

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



and you can find their EULA on their website:



How do I remove Package Tracker Express BETA EXTENSION?

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 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 Package Tracker Express BETA EXTENSION?

• No, Malwarebytes' Anti-Malware removes Package Tracker Express BETA EXTENSION completely.
• If you have allowed the notifications you can read here how to disable them.

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 Package Tracker Express BETA EXTENSION hijacker. It would have warned you before the application could install itself, 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://cpakijaoamlficlbekncfmjoihbdkdff/modern_newtab.html"
CHR Extension: (Package Tracker Express BETA EXTENSION) - C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\cpakijaoamlficlbekncfmjoihbdkdff [2021-02-16]

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\cpakijaoamlficlbekncfmjoihbdkdff\2.9.1.20_0
       Adds the file manifest.json"="2/16/2021 8:10 AM, 1095 bytes, A
       Adds the file modern_newtab.html"="8/26/2020 6:20 PM, 279 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\cpakijaoamlficlbekncfmjoihbdkdff\2.9.1.20_0\_metadata
       Adds the file computed_hashes.json"="2/16/2021 8:10 AM, 643 bytes, A
       Adds the file verified_contents.json"="8/26/2020 6:20 PM, 2023 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\cpakijaoamlficlbekncfmjoihbdkdff\2.9.1.20_0\icons
       Adds the file icon128.png"="2/16/2021 8:10 AM, 1254 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\cpakijaoamlficlbekncfmjoihbdkdff\2.9.1.20_0\js
       Adds the file background.js"="8/26/2020 6:20 PM, 1126 bytes, A
       Adds the file cmnConstant.js"="8/26/2020 6:20 PM, 2836 bytes, A
       Adds the file modern_newtab.js"="8/26/2020 6:20 PM, 89 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\cpakijaoamlficlbekncfmjoihbdkdff\2.9.1.20_0\permission
       Adds the file permissions.html"="8/26/2020 6:20 PM, 6731 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\cpakijaoamlficlbekncfmjoihbdkdff
       Adds the file 000003.log"="2/16/2021 8:10 AM, 0 bytes, A
       Adds the file CURRENT"="2/16/2021 8:10 AM, 16 bytes, A
       Adds the file LOCK"="2/16/2021 8:10 AM, 0 bytes, A
       Adds the file LOG"="2/16/2021 8:10 AM, 183 bytes, A
       Adds the file MANIFEST-000001"="2/16/2021 8:10 AM, 41 bytes, A

Registry details [View: All details] (Selection)
------------------------------------------------
    [HKEY_CURRENT_USER\Software\Google\Chrome\PreferenceMACs\Default\extensions.settings]
       "cpakijaoamlficlbekncfmjoihbdkdff"="REG_SZ", "024BA087F49033D44566A0798720CCCBB9CE72B4660CC19B1B275C4665160512"

Malwarebytes log:

Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 2/16/21
Scan Time: 8:22 AM
Log File: ca1c64d0-7027-11eb-b2f5-080027235d76.json

-Software Information-
Version: 4.3.0.98
Components Version: 1.0.1157
Update Package Version: 1.0.37183
License: Premium

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

-Scan Summary-
Scan Type: Threat Scan
Scan Initiated By: Manual
Result: Completed
Objects Scanned: 233192
Threats Detected: 11
Threats Quarantined: 11
Time Elapsed: 3 min, 14 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.PushNotifications, HKCU\SOFTWARE\GOOGLE\CHROME\PREFERENCEMACS\Default\extensions.settings|cpakijaoamlficlbekncfmjoihbdkdff, Quarantined, 14952, 909425, , , , , , 

Registry Data: 0
(No malicious items detected)

Data Stream: 0
(No malicious items detected)

Folder: 2
PUP.Optional.PushNotifications, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Sync Extension Settings\cpakijaoamlficlbekncfmjoihbdkdff, Quarantined, 14952, 909425, , , , , , 
PUP.Optional.PushNotifications, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\EXTENSIONS\cpakijaoamlficlbekncfmjoihbdkdff, Quarantined, 14952, 909425, 1.0.37183, , ame, , , 

File: 8
PUP.Optional.PushNotifications, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Secure Preferences, Replaced, 14952, 909425, , , , , CB4FCBEC4F37FD8AB509B45FF9CA84A4, 2F61E72AA13912272FE790229EFE19D516700C952F69DCD8FBC2C8C767FF729C
PUP.Optional.PushNotifications, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Preferences, Replaced, 14952, 909425, , , , , 6C0F8964745490E3276408CCEC801879, 4364975258438599F26FF2E6603198071A3C6E6A2A0C199930423DB69D830916
PUP.Optional.PushNotifications, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\cpakijaoamlficlbekncfmjoihbdkdff\000003.log, Quarantined, 14952, 909425, , , , , , 
PUP.Optional.PushNotifications, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\cpakijaoamlficlbekncfmjoihbdkdff\CURRENT, Quarantined, 14952, 909425, , , , , 46295CAC801E5D4857D09837238A6394, 0F1BAD70C7BD1E0A69562853EC529355462FCD0423263A3D39D6D0D70B780443
PUP.Optional.PushNotifications, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\cpakijaoamlficlbekncfmjoihbdkdff\LOCK, Quarantined, 14952, 909425, , , , , , 
PUP.Optional.PushNotifications, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\cpakijaoamlficlbekncfmjoihbdkdff\LOG, Quarantined, 14952, 909425, , , , , EF3EE5BD6377D58F601D35D5C9137369, 47894DF4C2C4DEEF186FD7E73A3CFD2FE6B3416BBF51D816277CDC900C0218D0
PUP.Optional.PushNotifications, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\cpakijaoamlficlbekncfmjoihbdkdff\LOG.old, Quarantined, 14952, 909425, , , , , F3F2A226E6D8A380CA0F215B02BD8957, 2D9EF78E548101FCF6BD8FE1922A4024A8A64233ACF80C2A62A9EA67A52087E3
PUP.Optional.PushNotifications, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\cpakijaoamlficlbekncfmjoihbdkdff\MANIFEST-000001, Quarantined, 14952, 909425, , , , , 5AF87DFD673BA2115E2FCF5CFDB727AB, F9D31B278E215EB0D0E9CD709EDFA037E828F36214AB7906F612160FEAD4B2B4

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.