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What is FunSafeTab?

The Malwarebytes research team has determined that FunSafeTab is a browser 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 one also displays advertisements.

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

You may see these browser extensions/add-ons:



and these warnings during install:




and you will see this icon in your browsers menu-bar:


How did FunSafeTab get on my computer?

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


the Chrome extension through the webstore:


How do I remove FunSafeTab?

Our program Malwarebytes can detect and remove this potentially unwanted program.

  • Please download Malwarebytes to your desktop.
  • Double-click mb3-setup-consumer-{version}.exe and follow the prompts to install the program.
  • Then click Finish.
  • Once the program has fully updated, select Scan Now on the Dashboard. Or select the Threat Scan from the Scan menu.
  • If another update of the definitions is available, it will be implemented before the rest of the scanning procedure.
  • When the scan is complete, make sure that all Threats are selected, and click Remove Selected.
  • Restart your computer when prompted to do so.

Is there anything else I need to do to get rid of FunSafeTab?

  • No, Malwarebytes removes FunSafeTab 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 the full version of Malwarebytes would have protected you against the FunSafeTab hijacker. It would have blocked access to the domain, giving you a chance to stop it before it became too late.


Technical details for experts

Possible signs in FRST logs:

FF Extension: No Name - C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\{profile}.default\Extensions\{3ec925f3-200e-4b55-9daf-18fa4b383d89}.xpi [2018-10-11]
CHR DefaultSearchURL: Default -> hxxps://search.funsafetabsearch.com/?src=FunSafeTab_ds&q={searchTerms}
CHR DefaultSearchKeyword: Default -> keyword.FunSafeTab
CHR Extension: (FunSafeTab) - C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jiaefckccjamabimeaecinjilddlfmlh [2018-10-11]

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\jiaefckccjamabimeaecinjilddlfmlh\1.1_0
       Adds the file background.js"="3/28/2017 10:56 AM, 4038 bytes, A
       Adds the file logo.png"="10/11/2018 11:14 AM, 5604 bytes, A
       Adds the file manifest.json"="10/11/2018 11:14 AM, 2217 bytes, A
       Adds the file popup.html"="3/28/2017 10:56 AM, 680 bytes, A
       Adds the file redirect.html"="3/28/2017 10:56 AM, 52 bytes, A
       Adds the file redirect.js"="9/9/2018 12:13 PM, 3292 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jiaefckccjamabimeaecinjilddlfmlh\1.1_0\_metadata
       Adds the file computed_hashes.json"="10/11/2018 11:14 AM, 452 bytes, A
       Adds the file verified_contents.json"="9/9/2018 12:13 PM, 1844 bytes, A
    In the existing folder C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\{profile}.default\extensions
       Adds the file {3ec925f3-200e-4b55-9daf-18fa4b383d89}.xpi"="10/11/2018 11:09 AM, 25008 bytes, A

Registry details [View: All details] (Selection)
       "jiaefckccjamabimeaecinjilddlfmlh"="REG_SZ", "F52F1C299838420A9CB6F86E12B620CCB4FC255059615B02ED01A6C050CC58CF"

Malwarebytes log:


-Log Details-
Scan Date: 10/11/18
Scan Time: 11:21 AM
Log File: 02538811-cd37-11e8-9d51-00ffdcc6fdfc.json

-Software Information-
Components Version: 1.0.463
Update Package Version: 1.0.7291
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: 238427
Threats Detected: 14
Threats Quarantined: 14
Time Elapsed: 2 min, 41 sec

-Scan Options-
Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Enabled
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: 3
PUP.Optional.FunSafeTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jiaefckccjamabimeaecinjilddlfmlh\1.1_0\_metadata, Quarantined, [14326], [495186],1.0.7291
PUP.Optional.FunSafeTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jiaefckccjamabimeaecinjilddlfmlh\1.1_0, Quarantined, [14326], [495186],1.0.7291

File: 11
PUP.Optional.FunSafeTab, C:\USERS\{username}\APPDATA\ROAMING\MOZILLA\FIREFOX\PROFILES\{profile}.default\EXTENSIONS\{3EC925F3-200E-4B55-9DAF-18FA4B383D89}.XPI, Quarantined, [2122], [491255],1.0.7291
PUP.Optional.FunSafeTab.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Secure Preferences, Replaced, [14326], [495186],1.0.7291
PUP.Optional.FunSafeTab.Generic, C:\USERS\{username}\APPDATA\LOCAL\GOOGLE\CHROME\USER DATA\Default\Preferences, Replaced, [14326], [495186],1.0.7291
PUP.Optional.FunSafeTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jiaefckccjamabimeaecinjilddlfmlh\1.1_0\_metadata\computed_hashes.json, Quarantined, [14326], [495186],1.0.7291
PUP.Optional.FunSafeTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jiaefckccjamabimeaecinjilddlfmlh\1.1_0\_metadata\verified_contents.json, Quarantined, [14326], [495186],1.0.7291
PUP.Optional.FunSafeTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jiaefckccjamabimeaecinjilddlfmlh\1.1_0\background.js, Quarantined, [14326], [495186],1.0.7291
PUP.Optional.FunSafeTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jiaefckccjamabimeaecinjilddlfmlh\1.1_0\logo.png, Quarantined, [14326], [495186],1.0.7291
PUP.Optional.FunSafeTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jiaefckccjamabimeaecinjilddlfmlh\1.1_0\popup.html, Quarantined, [14326], [495186],1.0.7291
PUP.Optional.FunSafeTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jiaefckccjamabimeaecinjilddlfmlh\1.1_0\redirect.html, Quarantined, [14326], [495186],1.0.7291
PUP.Optional.FunSafeTab.Generic, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\jiaefckccjamabimeaecinjilddlfmlh\1.1_0\redirect.js, Quarantined, [14326], [495186],1.0.7291

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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