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Is this a virus or not?

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Always when I start my computer Firefox opens and I don't even have Firefox installed on my PC. I can't see the tab but it has a weird description. Has anyone encountered something like this ever again??

Always when I start my computer Firefox opens and I don't even have Firefox installed on my PC. I can't see the tab but it has a weird description. Has anyone encountered something like this ever again??
Attached screenshots

Chosen solution

Do a malware check with several malware scanning programs on the Windows computer.

Please scan with all programs because each program detects different malware. All these programs have free versions.

Make sure you update each program to get the latest version of their databases before doing a scan.

You can also do a check for a rootkit infection with TDSSKiller.


https://support.kaspersky.com/viruses/utility

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Additional System Details

Installed Plug-ins

None

Application

  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

More Information

cor-el
  • Top 10 Contributor
  • Moderator
17472 solutions 157917 answers

Chosen Solution

Do a malware check with several malware scanning programs on the Windows computer.

Please scan with all programs because each program detects different malware. All these programs have free versions.

Make sure you update each program to get the latest version of their databases before doing a scan.

You can also do a check for a rootkit infection with TDSSKiller.


https://support.kaspersky.com/viruses/utility

Do a malware check with several malware scanning programs on the Windows computer. *https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware Please scan with all programs because each program detects different malware. All these programs have free versions. Make sure you update each program to get the latest version of their databases before doing a scan. *Malwarebytes' Anti-Malware:<br>https://www.malwarebytes.com/ *AdwCleaner:<br>http://www.bleepingcomputer.com/download/adwcleaner/<br>http://www.softpedia.com/get/Antivirus/Removal-Tools/AdwCleaner.shtml *SuperAntispyware:<br>http://www.superantispyware.com/ *Microsoft Safety Scanner:<br>https://www.microsoft.com/security/scanner/en-us/default.aspx *Windows Defender:<br>https://windows.microsoft.com/en-us/windows/using-defender *Spybot Search & Destroy:<br>http://www.safer-networking.org/en/index.html *Kasperky Free Security Scan:<br>https://www.kaspersky.com/security-scan You can also do a check for a rootkit infection with TDSSKiller. *Anti-rootkit utility TDSSKiller:<br>https://support.kaspersky.com/viruses/disinfection/5350 <br>https://support.kaspersky.com/viruses/utility
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Question owner

Thank you :) I did a scan with ADWCleaner and Malwarebytes and it turns out this weird Firefox is a PUP.Optional.FakeFFProfile. Now I work out to get rid of it :D

Thank you very much for your fast answer!

Thank you :) I did a scan with ADWCleaner and Malwarebytes and it turns out this weird Firefox is a PUP.Optional.FakeFFProfile. Now I work out to get rid of it :D Thank you very much for your fast answer!
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cor-el
  • Top 10 Contributor
  • Moderator
17472 solutions 157917 answers

You're welcome and thanks for reporting back on the outcome.

You're welcome and thanks for reporting back on the outcome.
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