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Windows defender caught trojan in the cache2\entries folder

  • 2 válasz
  • 0 embernek van ilyen problémája
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  • Utolsó üzenet ettől: thebigduck

thebigduck
thebigduck
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I recently went to a website I normally visit but accidentally misspelled the url which took me to a deceptive website. Luckily, Firefox was able to detect the site as a security threat and did not allow connection.

About 5 mins after, my windows defender caught a Trojan:Script/Wacatac.B!ml in the \AppData\Local\Mozilla\Firefox\Profiles\0efjymat.default-release\cache2\entries\. I immediately quarantined and removed it.

I understand that it could be a false positive since I read that windows defender usually catches cache files that may look suspicious to it. I have to wonder though is it still possible for deceptive website cache files to get downloaded despite getting blocked by Firefox?

Note: I have ublock extension and my Firefox browser version is 131.0.2 64-bit

I recently went to a website I normally visit but accidentally misspelled the url which took me to a deceptive website. Luckily, Firefox was able to detect the site as a security threat and did not allow connection. About 5 mins after, my windows defender caught a Trojan:Script/Wacatac.B!ml in the \AppData\Local\Mozilla\Firefox\Profiles\0efjymat.default-release\cache2\entries\. I immediately quarantined and removed it. I understand that it could be a false positive since I read that windows defender usually catches cache files that may look suspicious to it. I have to wonder though is it still possible for deceptive website cache files to get downloaded despite getting blocked by Firefox? Note: I have ublock extension and my Firefox browser version is 131.0.2 64-bit

Összes válasz (2)

James
James
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This may be a older article but it still applies = Firefox cache file was infected with a virus

You are Not infected as it will either get overwritten over time as Cache gets used or deleted if you clear the Cache. The Trojan is harmless while in the Cache.

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thebigduck
thebigduck Kérdés tulajdonosa
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Thank you for the reply. I was caught off guard by how the cache still got downloaded into the folder even though Firefox prevented me from accessing the fake website.

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