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What is Reverse Phone Search?

The Malwarebytes research team has determined that Reverse Phone Search 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.

How do I know if my computer is affected by Reverse Phone Search?

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

main.png

this icon in the Firefox menu-bar:

icons.png

this changed setting:

warning5.png

and these warnings during install:

warning1.png

warning2.png

warning3.png

warning4.png

How did Reverse Phone Search get on my computer?

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

website.png

How do I remove Reverse Phone Search?

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 Reverse Phone Search?

  • No, Malwarebytes removes Reverse Phone Search completely.

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 Reverse Phone Search hijacker. It would have blocked their website, giving you a chance to stop it before it became too late.


 

protection2.png

 

protection1.png

 

Technical details for experts

Possible signs in FRST logs:


 

FF Extension: (Reverse Phone Search) - C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\{profile}.default\Extensions\{2da2bbe4-b8a4-4b86-a340-8b4973e7acbb}.xpi [2020-03-02] [UpdateUrl:hxxps://cdn.reversesearch-cdn.org/xpi/reversephonesearch/data/1219/updates.json]

Alterations made by the installer:
 

File system details [View: All details] (Selection)
---------------------------------------------------
    In the existing folder C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\{profile}.default\extensions
       Adds the file {2da2bbe4-b8a4-4b86-a340-8b4973e7acbb}.xpi"="3/2/2020 9:15 AM, 60536 bytes, A

Malwarebytes log:
 

Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 3/2/20
Scan Time: 9:21 AM
Log File: d67d8548-5c5e-11ea-99d8-00ffdcc6fdfc.json

-Software Information-
Version: 4.1.0.56
Components Version: 1.0.835
Update Package Version: 1.0.20096
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: 235553
Threats Detected: 1
Threats Quarantined: 1
Time Elapsed: 16 min, 27 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: 0
(No malicious items detected)

Registry Data: 0
(No malicious items detected)

Data Stream: 0
(No malicious items detected)

Folder: 0
(No malicious items detected)

File: 1
PUP.Optional.SearchFF, C:\USERS\{username}\APPDATA\ROAMING\MOZILLA\FIREFOX\PROFILES\{profile}.default\EXTENSIONS\{2DA2BBE4-B8A4-4B86-A340-8B4973E7ACBB}.XPI, Quarantined, 4581, 792781, 1.0.20096, , ame, 

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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