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What is HDMusicStreamSearch?

The Malwarebytes research team has determined that HDMusicStreamSearch 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.


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

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


and these warnings during install:




and these changed settings:



How did HDMusicStreamSearch 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 HDMusicStreamSearch?

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 HDMusicStreamSearch?

  • No, Malwarebytes removes HDMusicStreamSearch 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 HDMusicStreamSearch hijacker. It would have blocked their website, giving you a chance to stop before it became too late.




Technical details for experts

Possible signs in FRST logs:


CHR Notifications: Default -> hxxps://get.hdmusicstreamsearch.com
CHR DefaultSearchURL: Default -> hxxps://feed.hdmusicstreamsearch.com/?q={searchTerms}&publisher=hdmusicstreamsearch&barcodeid=577220000000000
CHR DefaultSearchKeyword: Default -> HDMusicStreamSearch
CHR DefaultSuggestURL: Default -> hxxps://api.hdmusicstreamsearch.com/suggest/get?q={searchTerms}
CHR Extension: (HDMusicStreamSearch) - C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\cpbefaippdfpiclgpjcbdobhbnneldpi [2020-11-27]

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\cpbefaippdfpiclgpjcbdobhbnneldpi\1.1.0_0
       Adds the file manifest.json"="11/27/2020 10:33 AM, 2168 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\cpbefaippdfpiclgpjcbdobhbnneldpi\1.1.0_0\_metadata
       Adds the file computed_hashes.json"="11/27/2020 10:33 AM, 6255 bytes, A
       Adds the file verified_contents.json"="7/16/2020 3:47 PM, 2049 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\cpbefaippdfpiclgpjcbdobhbnneldpi\1.1.0_0\images
       Adds the file logo-white-text.png"="7/16/2020 3:47 PM, 0 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\cpbefaippdfpiclgpjcbdobhbnneldpi\1.1.0_0\images\icons
       Adds the file 128x128.png"="11/27/2020 10:33 AM, 6753 bytes, A
       Adds the file 16x16.png"="11/27/2020 10:33 AM, 756 bytes, A
       Adds the file 64x64.png"="11/27/2020 10:33 AM, 3441 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\cpbefaippdfpiclgpjcbdobhbnneldpi\1.1.0_0\scripts
       Adds the file background.js"="7/16/2020 3:47 PM, 514690 bytes, A
       Adds the file sitecontent.js"="7/16/2020 3:47 PM, 77 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\cpbefaippdfpiclgpjcbdobhbnneldpi
       Adds the file 000003.log"="11/27/2020 10:37 AM, 814 bytes, A
       Adds the file CURRENT"="11/27/2020 10:33 AM, 16 bytes, A
       Adds the file LOCK"="11/27/2020 10:33 AM, 0 bytes, A
       Adds the file LOG"="11/27/2020 10:33 AM, 184 bytes, A
       Adds the file MANIFEST-000001"="11/27/2020 10:33 AM, 41 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Web Applications\_crx_cpbefaippdfpiclgpjcbdobhbnneldpi
       Adds the file HDMusicStreamSearch.ico"="11/27/2020 10:33 AM, 198246 bytes, A
       Adds the file HDMusicStreamSearch.ico.md5"="11/27/2020 10:33 AM, 16 bytes, A

Registry details [View: All details] (Selection)
       "cpbefaippdfpiclgpjcbdobhbnneldpi"="REG_SZ", "FD4E0245DD9718EE63FC0B283A4A6D669C18A18879F4E812632A948CF850CF7C"

Malwarebytes log:


-Log Details-
Scan Date: 11/27/20
Scan Time: 10:43 AM
Log File: 00c5b7a2-3095-11eb-9b87-080027235d76.json

-Software Information-
Components Version: 1.0.1122
Update Package Version: 1.0.33486
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: 232086
Threats Detected: 12
Threats Quarantined: 12
Time Elapsed: 2 min, 4 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|cpbefaippdfpiclgpjcbdobhbnneldpi, Quarantined, 15693, 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\cpbefaippdfpiclgpjcbdobhbnneldpi, Quarantined, 15693, 799722, , , , , , 
Adware.SearchEngineHijack.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\DEFAULT\EXTENSIONS\CPBEFAIPPDFPICLGPJCBDOBHBNNELDPI, Quarantined, 15693, 799722, 1.0.33486, , ame, , , 

File: 9
Adware.SearchEngineHijack.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Secure Preferences, Replaced, 15693, 799722, , , , , F75D39CC1F669AA9DBA453B4A4A90F79, F4E55FA64D7E28085D8F00319ADA26EDA17B7D570D4CAF842DFC3BBF471AC207
Adware.SearchEngineHijack.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Preferences, Replaced, 15693, 799722, , , , , 4B2D3FF9E84B4DFE22542ACF764EA529, A5994082095B4D845775613B033BA456EE54A31573BA69EAE0BF9669368A3793
Adware.SearchEngineHijack.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\cpbefaippdfpiclgpjcbdobhbnneldpi\000003.log, Quarantined, 15693, 799722, , , , , 5187EE52D630BC07FCD0C858C034284B, 9297B9F4ABEA8DEF2F0CCA516AD10CC410683847C8B81FC84EA7B8EDEAFBC6D2
Adware.SearchEngineHijack.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\cpbefaippdfpiclgpjcbdobhbnneldpi\CURRENT, Quarantined, 15693, 799722, , , , , 46295CAC801E5D4857D09837238A6394, 0F1BAD70C7BD1E0A69562853EC529355462FCD0423263A3D39D6D0D70B780443
Adware.SearchEngineHijack.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\cpbefaippdfpiclgpjcbdobhbnneldpi\LOCK, Quarantined, 15693, 799722, , , , , , 
Adware.SearchEngineHijack.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\cpbefaippdfpiclgpjcbdobhbnneldpi\LOG, Quarantined, 15693, 799722, , , , , FD091DC77F55766A8BBC5A2EBE364D23, 58C14A3CD0E69972CC4A23C60AC346732B25A7E7CABE148080B77CBF2BCF1736
Adware.SearchEngineHijack.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\cpbefaippdfpiclgpjcbdobhbnneldpi\MANIFEST-000001, Quarantined, 15693, 799722, , , , , 5AF87DFD673BA2115E2FCF5CFDB727AB, F9D31B278E215EB0D0E9CD709EDFA037E828F36214AB7906F612160FEAD4B2B4
Adware.SearchEngineHijack.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\DEFAULT\EXTENSIONS\CPBEFAIPPDFPICLGPJCBDOBHBNNELDPI\1.1.0_0\MANIFEST.JSON, Quarantined, 15693, 799722, 1.0.33486, , ame, , 8642A8AE1A586A0AA0AB11E8E7B1EF6C, 1B62FEB4B9CDC1EB259B31B6D6F47587D666AFCBC8EE982240E0EBE7FE6C6C52
PUP.Optional.PushNotifications, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Preferences, Replaced, 203, 846248, 1.0.33486, , ame, , 4B2D3FF9E84B4DFE22542ACF764EA529, A5994082095B4D845775613B033BA456EE54A31573BA69EAE0BF9669368A3793

Physical Sector: 0
(No malicious items detected)

WMI: 0
(No malicious items detected)


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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