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Ubuntu virus?!

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I was trying to download ubuntu from the site www.ubuntu-it.org (It should be the Italian site) and malwarebytes was blocking me from downloading the iso as "trojan" and "compromised". It's normal?

I also say that I was downloading it via torrent

Edited by Kiogren
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1 hour ago, Kiogren said:

I was downloading it via torrent

I would have used the direct download link.


As for why Malwarebytes blocks Torrent based software, this is because Torrent based software, are what are known as Peer-to-Peer (P2P) applications meaning it connects to many different servers/IP addresses (this is how files are downloaded through Torrent based software) and because of this, sometimes Torrent based software will connect to a server that is also known for hosting malicious content.  This is because servers/IP addresses are often shared by multiple sites, so while what you are downloading through Torrent based software may be perfectly safe, some of the sites hosted on some of the IP addresses that Torrent based software connects to may be malicious.  Such connections are not a threat however, and you may exclude Torrent based software from the Web Protection component in Malwarebytes to stop the blocks from happening without compromising your protection (your web browser and other critical web facing programs will still be fully protected from malicious websites and other malicious content).  To do so, add your Torrent based software.exe to your exclusions using the method described under the Exclude an Application that Connects to the Internet section of this support article.

Edited by Porthos
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I just tested.  The torrent file for Ubuntu 22.04 Desktop has trackers torrent.ubuntu.com and ipv6.torrent.ubuntu.com, both port 443.  Both worked and returned peer lists, and the torrent downloaded with no problem other than a few peers triggering a popup from Malwarebytes.

The peers that caused the popups will simply not connect and the torrent client will simply attempt to connect to the rest of the peers in the list.  If in the off-chance that all peers that are connected at the time are flagged by Malwarebytes then it can prevent downloading.

Since you in fact did download the torrent from the official website, it has the signatures needed to verify that the blocks that are downloaded by the client have not been altered, and any corrupt or modified blocks will be discarded and retried.

Hence, I'm guessing the moderator could consider closing this as invalid.

Edited by BFeely
Explain in more detail what has gone on.
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