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[Metallica]

Content is republished with permission from Malwarebytes.

What is GlobalPDFConverterSearch?

The Malwarebytes research team has determined that GlobalPDFConverterSearch 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.
This particular one is a search hijacker and uses web push notifications. It also adds advertisements to your search results in the form of recommended searches.





How do I know if my computer is affected by GlobalPDFConverterSearch?

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



and these warnings during install:





and these changed settings:



How did GlobalPDFConverterSearch get on my computer?

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



after a redirect from their website:



How do I remove GlobalPDFConverterSearch?

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 GlobalPDFConverterSearch?

• No, Malwarebytes removes GlobalPDFConverterSearch 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 Malwarebytes Browser Guard, and the full version of Malwarebytes would have protected you against the GlobalPDFConverterSearch 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 Notifications: Default -> hxxps://install.globalpdfconvertersearch.com
CHR DefaultSearchURL: Default -> hxxps://feed.globalpdfconvertersearch.com/?q={searchTerms}&publisher=globalpdfconvertersearch&barcodeid=579910000000000
CHR DefaultSearchKeyword: Default -> GlobalPDFConverterSearch
CHR DefaultSuggestURL: Default -> hxxps://api.globalpdfconvertersearch.com/suggest/get?q={searchTerms}
CHR Extension: (GlobalPDFConverterSearch) - C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dgpckbdmiphipdecfodandpiecjieclj [2021-01-11]

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\dgpckbdmiphipdecfodandpiecjieclj\1.1.0_0
       Adds the file manifest.json"="1/11/2021 9:09 AM, 2228 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dgpckbdmiphipdecfodandpiecjieclj\1.1.0_0\_metadata
       Adds the file computed_hashes.json"="1/11/2021 9:09 AM, 6725 bytes, A
       Adds the file verified_contents.json"="10/22/2020 2:06 PM, 2049 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dgpckbdmiphipdecfodandpiecjieclj\1.1.0_0\images
       Adds the file logo-white-text.png"="10/22/2020 2:06 PM, 0 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dgpckbdmiphipdecfodandpiecjieclj\1.1.0_0\images\icons
       Adds the file 128x128.png"="1/11/2021 9:09 AM, 4103 bytes, A
       Adds the file 16x16.png"="1/11/2021 9:09 AM, 482 bytes, A
       Adds the file 64x64.png"="1/11/2021 9:09 AM, 2028 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\dgpckbdmiphipdecfodandpiecjieclj\1.1.0_0\scripts
       Adds the file background.js"="10/22/2020 2:06 PM, 553385 bytes, A
       Adds the file sitecontent.js"="10/22/2020 2:06 PM, 77 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\dgpckbdmiphipdecfodandpiecjieclj
       Adds the file 000003.log"="1/11/2021 9:09 AM, 0 bytes, A
       Adds the file CURRENT"="1/11/2021 9:09 AM, 16 bytes, A
       Adds the file LOCK"="1/11/2021 9:09 AM, 0 bytes, A
       Adds the file LOG"="1/11/2021 9:09 AM, 0 bytes, A
       Adds the file MANIFEST-000001"="1/11/2021 9:09 AM, 41 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Web Applications\_crx_dgpckbdmiphipdecfodandpiecjieclj
       Adds the file GlobalPDFConverterSearch.ico"="1/11/2021 9:09 AM, 175165 bytes, A
       Adds the file GlobalPDFConverterSearch.ico.md5"="1/11/2021 9:09 AM, 16 bytes, A

Registry details [View: All details] (Selection)
------------------------------------------------
    [HKEY_CURRENT_USER\Software\Google\Chrome\PreferenceMACs\Default\extensions.settings]
       "dgpckbdmiphipdecfodandpiecjieclj"="REG_SZ", "9A44262B94B7396230BF9508A2924ACD4EA34FBE8EF1D55F4AC6F7E029780740"

Malwarebytes log:

Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 1/11/21
Scan Time: 9:23 AM
Log File: 478e95cc-53e6-11eb-a0d2-080027235d76.json

-Software Information-
Version: 4.3.0.98
Components Version: 1.0.1130
Update Package Version: 1.0.35553
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: 232744
Threats Detected: 12
Threats Quarantined: 12
Time Elapsed: 6 min, 17 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
Adware.SearchEngineHijack.Generic, HKCU\SOFTWARE\GOOGLE\CHROME\PREFERENCEMACS\Default\extensions.settings|dgpckbdmiphipdecfodandpiecjieclj, Quarantined, 15230, 799722, , , , , , 

Registry Data: 0
(No malicious items detected)

Data Stream: 0
(No malicious items detected)

Folder: 2
Adware.SearchEngineHijack.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Sync Extension Settings\dgpckbdmiphipdecfodandpiecjieclj, Quarantined, 15230, 799722, , , , , , 
Adware.SearchEngineHijack.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\DEFAULT\EXTENSIONS\DGPCKBDMIPHIPDECFODANDPIECJIECLJ, Quarantined, 15230, 799722, 1.0.35553, , ame, , , 

File: 9
Adware.SearchEngineHijack.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Secure Preferences, Replaced, 15230, 799722, , , , , A3BF87F113FA56BEBDD9275F18613AC2, 7104C3BE5B658B73860410C553B51A1C0D019D1116A7E48A39B747C731CF0666
Adware.SearchEngineHijack.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Preferences, Replaced, 15230, 799722, , , , , 5EEEEAB8B8B80801EC9034B1B34BE2B9, F2F5FAD1A17E49033C67E416D60B8BB4B7EBD0341F38F441006DFB3220978F65
Adware.SearchEngineHijack.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\dgpckbdmiphipdecfodandpiecjieclj\000003.log, Quarantined, 15230, 799722, , , , , 0D916328F90EED88C8CF60F136EFE450, 1A0854471C30A0C6A3D34C06634D95A84B92BFD64E64E428BD634D8C1C15B4B6
Adware.SearchEngineHijack.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\dgpckbdmiphipdecfodandpiecjieclj\CURRENT, Quarantined, 15230, 799722, , , , , 46295CAC801E5D4857D09837238A6394, 0F1BAD70C7BD1E0A69562853EC529355462FCD0423263A3D39D6D0D70B780443
Adware.SearchEngineHijack.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\dgpckbdmiphipdecfodandpiecjieclj\LOCK, Quarantined, 15230, 799722, , , , , , 
Adware.SearchEngineHijack.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\dgpckbdmiphipdecfodandpiecjieclj\LOG, Quarantined, 15230, 799722, , , , , 057FEF919C83663675F58C7DCA51414C, D209B9881B1F8BC99F6343CE5F85C507DAB9AEC841247BD92DCA0CD3EFF43A49
Adware.SearchEngineHijack.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\dgpckbdmiphipdecfodandpiecjieclj\MANIFEST-000001, Quarantined, 15230, 799722, , , , , 5AF87DFD673BA2115E2FCF5CFDB727AB, F9D31B278E215EB0D0E9CD709EDFA037E828F36214AB7906F612160FEAD4B2B4
Adware.SearchEngineHijack.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\DEFAULT\EXTENSIONS\DGPCKBDMIPHIPDECFODANDPIECJIECLJ\1.1.0_0\MANIFEST.JSON, Quarantined, 15230, 799722, 1.0.35553, , ame, , 0AD62C4C2955B76C4250C05E220B9AB6, DC74D9E4E6B804A128F775DA25B29D51ED4F4DF1E79BE733DB085438A5344E32
PUP.Optional.PushNotifications.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Preferences, Replaced, 15847, 832955, 1.0.35553, , ame, , 5EEEEAB8B8B80801EC9034B1B34BE2B9, F2F5FAD1A17E49033C67E416D60B8BB4B7EBD0341F38F441006DFB3220978F65

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.