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Malwarebytes has flagged the following file as a PUP, C:\USERS\DFREE\APPDATA\ROAMING\MOZILLA\FIREFOX\PROFILES\GBCUBWW3.DEFAULT- What do I do with it?

DMF
Posted

I think the Question sums it up. After my Malwarebytes scan last evening it flagged the above captioned file as a PUP. Do I leave it in quaranteen? Delete it? Or mark it as OK? I am looking for some guidance here. Denny

I think the Question sums it up. After my Malwarebytes scan last evening it flagged the above captioned file as a PUP. Do I leave it in quaranteen? Delete it? Or mark it as OK? I am looking for some guidance here. Denny

Chosen solution

The disk cache would normally be in "AppData\Local".

It is possible that they found something in prefs.js or in one of the other files. Usually best is to exclude the Firefox profile folder in your security software as this usually causes issues with corrupted files or otherwise dataloss or malfunctioning.

You would have to contact Malwarebytes if you have questions about their software.

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Additional System Details

Application

  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:71.0) Gecko/20100101 Firefox/71.0

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RobertJ
  • Top 10 Contributor
104 solutions 1155 answers

Hi DMF, That's a profile folder. Navigate to the folder, right click on it and Scan with MBAM again. Be sure Firefox is closed when you run the scan. The scan should tell you what MBAM sees as a PUP.

Hi DMF, That's a profile folder. Navigate to the folder, right click on it and Scan with MBAM again. Be sure Firefox is closed when you run the scan. The scan should tell you what MBAM sees as a PUP.
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James
  • Top 25 Contributor
  • Moderator
1603 solutions 11348 answers

DMF said

I think the Question sums it up. After my Malwarebytes scan last evening it flagged the above captioned file as a PUP. Do I leave it in quaranteen? Delete it? Or mark it as OK? I am looking for some guidance here. Denny

What is the file and where is it claiming to be found ?

https://blog.malwarebytes.com/detections/pup-optional/

Also some malware and antivirus scanners claim things in the Cache is dangerous when they are harmless while in Cache if left alone to be deleted or overwriten by Firefox. Firefox cache file was infected with a virus

''DMF [[#question-1275031|said]]'' <blockquote> I think the Question sums it up. After my Malwarebytes scan last evening it flagged the above captioned file as a PUP. Do I leave it in quaranteen? Delete it? Or mark it as OK? I am looking for some guidance here. Denny </blockquote> What is the file and where is it claiming to be found ? https://blog.malwarebytes.com/detections/pup-optional/ Also some malware and antivirus scanners claim things in the Cache is dangerous when they are harmless while in Cache if left alone to be deleted or overwriten by Firefox. [[Firefox cache file was infected with a virus]]
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cor-el
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17670 solutions 159841 answers

Chosen Solution

The disk cache would normally be in "AppData\Local".

It is possible that they found something in prefs.js or in one of the other files. Usually best is to exclude the Firefox profile folder in your security software as this usually causes issues with corrupted files or otherwise dataloss or malfunctioning.

You would have to contact Malwarebytes if you have questions about their software.

The disk cache would normally be in "AppData\Local". It is possible that they found something in prefs.js or in one of the other files. Usually best is to exclude the Firefox profile folder in your security software as this usually causes issues with corrupted files or otherwise dataloss or malfunctioning. You would have to contact Malwarebytes if you have questions about their software.
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