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Mac OS yowwinner.com and winmoreprize.com


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5 replies to this topic

#1 yasserk

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Posted 26 July 2018 - 01:16 PM

Hi... I have a Mac that is running High Sierra 10.13.5. When I'm using Chrome I keep getting redirected to yowwinner.com and winmoreprize.com.

It appears to happen when using certain websites, I think, and it also happened on one occasion on my iPad, also using Chrome.

I get redirected to some spurious Google rewards program which is clearly fake.

Any help much appreciated.

Thanks

Yasser



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#2 nasdaq

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Posted 27 July 2018 - 07:30 AM

Hello, Welcome to BleepingComputer.
I'm nasdaq and will be helping you.

If you can please print this topic it will make it easier for you to follow the instructions and complete all of the necessary steps in the order listed.
===

This could be a Syncing issue?

Are you Syncing Chrome with other devices?
To remove it you will have to reset the Sync in Chrome.

Read this article and proceed.

Chrome Secure Preferences detection always comes back
https://forums.malwarebytes.com/topic/214325-chrome-secure-preferences-detection-always-comes-back/
<<<>>>

DO NOT RESYNC the devices.

Restart the computer normally.

If the probem persist pease run these programs and post the logs for my review.

Please download Malwarebytes Anti-Malware from here
  • Right-click on the MBAM icon and select Run as administrator to run the tool.
  • Click Yes to accept any security warnings that may appear.
  • Once the MBAM dashboard opens, on the right detail pane click on the word "Current" under the Scan Status to update the tool database.
  • On the left menu pane click the Settings tab, and then select the Protection tab on the top.
  • Under the Scan Options, turn on the button Scan for rootkits and Scan within archives.
  • Click the Scan tab on the right detail pane, select Threat Scan and click the Start Scan button
  • Note: The scan may take some time to finish, so please be patient.
  • If potential threats are detected, ensure to checkmark all the listed items, and click the Quarantine Selected button.
  • While still on the Scan tab, click the View Report button, and in the window that opens click the Export button, select Text file (*.txt), and save the log to your Desktop.
  • The log can also be viewed by clicking the log to select it, then clicking the View Report button.
Please post the log for my review.

Note: If asked to restart the computer, please do so immediately.
===

Please download AdwCleaner by Xplode onto your Desktop.
  • Close all open programs and internet browsers.
  • Double click on AdwCleaner.exe to run the tool.
  • Click the Scan button and wait for the process to complete.
  • Click the LogFile button and the report will open in Notepad.
IMPORTANT
  • If you click the Clean button all items listed in the report will be removed.
If you find some false positive items or programs that you wish to keep, Close the AdwCleaner windows.
  • Close all open programs and internet browsers.
  • Double click on AdwCleaner.exe to run the tool.
  • Click the Scan button and wait for the process to complete.
  • Check off the element(s) you wish to keep.
  • Click on the Clean button follow the prompts.
  • A log file will automatically open after the scan has finished.
  • Please post the content of that log file with your next answer.
  • You can find the log file at C:\AdwCleanerCx.txt (x is a number).
===

Download the version of this tool for your operating system.
Farbar Recovery Scan Tool (64 bit)
Farbar Recovery Scan Tool (32 bit)
and save it to a folder on your computer's Desktop.
Double-click to run it. When the tool opens click Yes to disclaimer.
Press Scan button.
It will make a log (FRST.txt) in the same directory the tool is run. Please copy and paste it to your reply.
The first time the tool is run, it makes also another log (Addition.txt). Please attach it to your reply.

How to attach a file to your reply:
In the Reply section in the bottom of the topic Click the "more reply Options" button.
attachlogs.png

Attach the file.
Select the "Choose a File" navigate to the location of the File.
Click the file you wish to Attach.
Click Attach this file.
Click the Add reply button.
===

#3 yasserk

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Posted 29 July 2018 - 11:24 AM

Hi... thanks for the message.

I tried this before but gave up because it seems to apply to a Windows machine and not Mac. I don't see the relevant options on MBAM (I am using v3.3.32  which it says is the most up to date version) and I can't see Mac options for AdwCleaner and Farbar.

Thanks again.



#4 nasdaq

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Posted 29 July 2018 - 12:25 PM

Hi,

Just run them. Never had problems before.

#5 yasserk

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Posted 30 July 2018 - 11:58 AM

Hi

I tried running them. Both times I got a message saying that "You can’t open the application “xxx.exe” because Microsoft Windows applications are not supported on macOS."

Also there's no 'Report' button on the Mac version of MBAM.

Thanks



#6 nasdaq

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Posted 30 July 2018 - 01:17 PM

Hi,

I just wanted to check if some malware was installed on your computer.

The only option I have now for you is to remove and reinstall Chrome.

Your copy of Chrome has been compromised

:step1: Remove Chrome from your Computer and reinstall a fresh copy later.

:step2: Before you remove Chrome Export your Bookmarks
Chrome will export your bookmarks as a HTML file, which you can then import into another browser.

How To: http://ccm.net/faq/31791-how-to-backup-your-google-chrome-bookmarks

:step3: If you sync you account you must remove it before you save your bookmarks etc...
Delete Your Google Chrome Browser Sync Data if you sync with other defices. <- Important ...
https://forums.malwarebytes.com/topic/214325-chrome-secure-preferences-detection-always-comes-back/


:step4: Clear your Chrome cache and cookies
https://support.google.com/chromebook/answer/183083?hl=en


:step5: Remove Chrome using the the instructions on this page.
https://support.google.com/chrome/answer/95319?hl=en

:step6: Re-install Chrome and the Bookmarks.
====

Keep me posted.




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