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What is SearchPDFConverter?

The Malwarebytes research team has determined that SearchPDFConverter 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 changes your default search engine and uses Notifications.


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

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


and this changed setting:


You may have noticed these warnings during install:





How did SearchPDFConverter 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 SearchPDFConverter?

Our program Malwarebytes can detect and remove this search hijacker.

  • 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 SearchPDFConverter?

  • No, Malwarebytes removes SearchPDFConverter 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 SearchPDFConverter 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 DefaultSearchURL: Default -> hxxps://feed.searchpdfconverter.com/?q={searchTerms}&publisher=searchpdfconverter&barcodeid=586510000000000
CHR DefaultSearchKeyword: Default -> SearchPDFConverter
CHR DefaultSuggestURL: Default -> hxxps://api.searchpdfconverter.com/suggest/get?q={searchTerms}
CHR Extension: (SearchPDFConverter) - C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lclcldpkdbelojhldlphaphmhofegdak [2021-01-20]

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\lclcldpkdbelojhldlphaphmhofegdak\1.1.0_0
       Adds the file manifest.json"="1/20/2021 9:25 AM, 2156 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lclcldpkdbelojhldlphaphmhofegdak\1.1.0_0\_metadata
       Adds the file computed_hashes.json"="1/20/2021 9:25 AM, 6725 bytes, A
       Adds the file verified_contents.json"="11/18/2020 8:48 AM, 2049 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lclcldpkdbelojhldlphaphmhofegdak\1.1.0_0\images
       Adds the file logo-white-text.png"="11/18/2020 8:48 AM, 0 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lclcldpkdbelojhldlphaphmhofegdak\1.1.0_0\images\icons
       Adds the file 128x128.png"="1/20/2021 9:25 AM, 5013 bytes, A
       Adds the file 16x16.png"="1/20/2021 9:25 AM, 551 bytes, A
       Adds the file 64x64.png"="1/20/2021 9:25 AM, 2559 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\lclcldpkdbelojhldlphaphmhofegdak\1.1.0_0\scripts
       Adds the file background.js"="11/18/2020 8:48 AM, 553493 bytes, A
       Adds the file sitecontent.js"="11/18/2020 8:48 AM, 77 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\lclcldpkdbelojhldlphaphmhofegdak
       Adds the file 000003.log"="1/20/2021 9:29 AM, 832 bytes, A
       Adds the file CURRENT"="1/20/2021 9:25 AM, 16 bytes, A
       Adds the file LOCK"="1/20/2021 9:25 AM, 0 bytes, A
       Adds the file LOG"="1/20/2021 9:25 AM, 183 bytes, A
       Adds the file MANIFEST-000001"="1/20/2021 9:25 AM, 41 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Web Applications\_crx_lclcldpkdbelojhldlphaphmhofegdak
       Adds the file SearchPDFConverter.ico"="1/20/2021 9:25 AM, 180477 bytes, A
       Adds the file SearchPDFConverter.ico.md5"="1/20/2021 9:25 AM, 16 bytes, A

Registry details [View: All details] (Selection)
       "lclcldpkdbelojhldlphaphmhofegdak"="REG_SZ", "27EFC5E606F05A33B660423A82D701FD075B68030EB5A5AF63061D95A20378F7"

Malwarebytes log:


-Log Details-
Scan Date: 1/20/21
Scan Time: 9:34 AM
Log File: 40de88b6-5afa-11eb-9c45-080027235d76.json

-Software Information-
Components Version: 1.0.1146
Update Package Version: 1.0.35989
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: 232894
Threats Detected: 11
Threats Quarantined: 11
Time Elapsed: 2 min, 11 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|lclcldpkdbelojhldlphaphmhofegdak, 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\lclcldpkdbelojhldlphaphmhofegdak, Quarantined, 15230, 799722, , , , , , 
Adware.SearchEngineHijack.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\DEFAULT\EXTENSIONS\LCLCLDPKDBELOJHLDLPHAPHMHOFEGDAK, Quarantined, 15230, 799722, 1.0.35989, , ame, , , 

File: 8
Adware.SearchEngineHijack.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Secure Preferences, Replaced, 15230, 799722, , , , , 29F95728F95C708AFB32985FE02B0EB6, 2640C73AD155610D85B920FBB3AFC1FD007768ADEF3EAE7783BBEF8E24C0B134
Adware.SearchEngineHijack.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Preferences, Replaced, 15230, 799722, , , , , 3FD82800A00D6EF37D049E0F1F945898, 53B06A5942B530E6CBCDDE167BF7824A0956E7B8DFAF2285C4506E60056AC289
Adware.SearchEngineHijack.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\lclcldpkdbelojhldlphaphmhofegdak\000003.log, Quarantined, 15230, 799722, , , , , D85D7A48531D7C957CC25FA21E8D58B6, 557A07C11D8338B9CCDF515AD478FD45D41C43DA13742AFDE6B4617564DBF75C
Adware.SearchEngineHijack.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\lclcldpkdbelojhldlphaphmhofegdak\CURRENT, Quarantined, 15230, 799722, , , , , 46295CAC801E5D4857D09837238A6394, 0F1BAD70C7BD1E0A69562853EC529355462FCD0423263A3D39D6D0D70B780443
Adware.SearchEngineHijack.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\lclcldpkdbelojhldlphaphmhofegdak\LOCK, Quarantined, 15230, 799722, , , , , , 
Adware.SearchEngineHijack.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\lclcldpkdbelojhldlphaphmhofegdak\LOG, Quarantined, 15230, 799722, , , , , 3306A2B7BBFC83EA4A6AEEDEB253B15A, 84008C13A0F66D37216C502167CF0EA2998C66FD4B437504D0144EFFF134DE7D
Adware.SearchEngineHijack.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Sync Extension Settings\lclcldpkdbelojhldlphaphmhofegdak\MANIFEST-000001, Quarantined, 15230, 799722, , , , , 5AF87DFD673BA2115E2FCF5CFDB727AB, F9D31B278E215EB0D0E9CD709EDFA037E828F36214AB7906F612160FEAD4B2B4
Adware.SearchEngineHijack.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\DEFAULT\EXTENSIONS\LCLCLDPKDBELOJHLDLPHAPHMHOFEGDAK\1.1.0_0\MANIFEST.JSON, Quarantined, 15230, 799722, 1.0.35989, , ame, , 93114D86C82519A11F2D2FF2ED4D96C4, 6CE3B51C25F1C5BCDD38D6E70E4325BFEE604AFFE3936E444B41B3EB5438D88F

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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