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Firefox: Security and use issues

Bluelight82
Making moves

You people really need to make sure Firefox is secure, or I am forced to use a different browser.

Issues:
1. A few years ago I had Youtube opened with Firefox for months on end, where the browser suddenly started uploading from my computer to the internet, I noticed because internet was really slow. Firefox constantly used 20Mbps for 3 days upline only. I closed Firefox and installed Chrome instead. Waited for the connection to break. A month later everything worked normal.

2. Is it really necessary to update Firefox almost every day? Please make a proper update policy and do things properly. The quality of a system is not measured by how often it updates.

3. I just now got 3 malware alerts from AVAST antivirus, telling me the malware called "VBS:Gamaredon-CM [Apt]" was found in the prefs.js file inside the profile file of Firefox. This was a while after visiting an official site about 3d-printers (may be unsafe according to this experience?): https://www.prusa3d.com/product/original-prusa-i3-mk3s-kit-8/

I always have Youtube and some other trusted websites open 24/7. And scanned with both AVAST and Malwarebytes and did not find any other occurrence. It's many years since last time I've had any malware. I'm kinda worried leaving my computer run if this did not come from that site, but some backdoor in Firefox or other programs.

4 REPLIES 4

Admin
Making moves

trojan on your computer injected into firefox process

For what article number? Number 1?
I'm dealing with number 3 right now. There are no other files detected with both Firewall software and AVAST and Malwarebytes antimalware. I will test if it happens again if I open that website again.

It is not a Trojan! And it is not the site I was referring to.
It's either a false positive or a remote attack apparently from a Russian hacker.

jscher2000
Contributor

@Bluelight82 wrote:

3. I just now got 3 malware alerts from AVAST antivirus, telling me the malware called "VBS:Gamaredon-CM [Apt]" was found in the prefs.js file inside the profile file of Firefox.


False positive.* If you think it was annoying for Firefox users, spare a thought for the Thunderbird users who lost their email configuration when they trusted Avast to remove the prefs.js file.

* References: https://forum.avast.com/index.php?topic=318639.msg1683272#msg1683272, https://forum.avast.com/index.php?topic=318640.msg1683270#msg1683270