Google Chrome has a malware extension that keeps reappearing.

I'm running Windows 8.1 with Google Chrome. I have an extension that keeps reappearing in the Chrome extension list as "MFAC." It is not the legitimate extension. When I open Chrome, it sits at a screen that says "processing" in the bottom left corner for a few minutes and during this time if I look at my extensions list I see "MFAC" listed. If I wait a few minutes, the screen flashes, everything loads and then if I check the extension list the "MFAC" plugin is gone. If I look for the extension in the Chrome extension folder or in registry, it does not show up there. I've tried recreating a new profile for Chrome and removing the extensions folder in registry with no luck. I've checked for viruses and malware as well, with nothing showing up. What else can I try?
OAC TechnologyProfessional NerdsAsked:
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TemodyPickalbatros, IT ManagerCommented:
Uninstall Google chrome from control panel

Navigate to the following locations and delete the “Chrome” folder(s) that exist there.


C:\Program Files\Google\Chrome

Install fresh copy and test

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JohnBusiness Consultant (Owner)Commented:
Download, install and run Process Explorer from Microsoft. Look under the Explorer tree. Are there any strange (alphanumeric) processes running?  If so, kill them, close out do NOT restart and run Malwarebytes to clean up.
John Gates, CISSPSecurity ProfessionalCommented:
Use superantispyware it will find and remove what malwarebytes misses:
Anuj BhatiaDirectorCommented:
Hi Buddy,

Try the following steps .. removed all the extensions from Google chrome.

1) Remove Google Chrome .
2) Delete The Chrome folder from these folders.

C:\Program Files\Google\Chrome

3) Reboot the machine .
4) Download, Install & Run Malware Bytes and see if it find any infected files and also make sure if you have an Antivirus disable that as some time it causes some issues..
5) Restart the machine.
6) Install Google Chrome and see if its works for you.

If you still have the issues you can also try this .. for Windows 8

Open windows start menu go into the search field.
Go to Microsoft\windows\start menu\programs\startup.
Remove associated files.
Access windows task manager to kill rogue_name processes.
Search for all related registry entries infected by virus and wipe them out.
Reboot the computer to normal mode when the above steps are done.


Anuj Bhatia
OAC TechnologyProfessional NerdsAuthor Commented:
Also found that Lenovo Location Awareness was locking the preferences file in appdata which is why changes made to chrome would always revert. I set this service to disabled and then followed your steps, which worked
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Windows 8

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