Microsoft Begins Flagging uTorrent as Malware Threat

Prajwal Desai
Posted by Prajwal Desai

Microsoft Begins Flagging uTorrent as Malware Threat: Several users have reported that uTorrent was marked as a threat by antivirus vendors last week. uTorrent was classified as malware by many antivirus vendors. The uTorrent application is treated as “potentially unwanted software” by antivirus software. Microsoft started to mark uTorrent as malicious software and prevent it from being used.

A well-liked torrent client that is frequently used for data downloads is uTorrent. More than 150 million people have downloaded and installed uTorrent so far. Although there are many torrent client programs, uTorrent is the most widely used one. It is a piece of software made specifically for downloading large amounts of data from distant servers. In other words, it’s a peer-to-peer file sharing protocol used for distributing large amounts of data.

Microsoft Begins Flagging uTorrent as Malware

However, Microsoft began flagging uTorrent as malware and categorizing it as PUA:Win32/uTorrent. Windows Defender stops it running because it has a poor reputation. It is also mentioned that this application can affect the quality of your computing experience. The BitTorrent Inc (parent company of uTorrent) is aware of this thing. The torrent company believes they’re false positives triggered by one of their recent releases.

It appears that the uTorrent client was blocked on devices that were already running uTorrent as well as on newly installed machines. Most importantly, not all uTorrent installations were marked as malicious. Therefore, we assume that the Windows Defender definitions must be to blame for this. Or probably one of those Windows Patch Tuesday updates?.

Furthermore, we submitted the uTorrent executable to the Virus Total site, and you can see the results below. Yes, Microsoft is in the list of AV’s that flagged uTorrent as PUA:Win32/uTorrent. But the rest of the antivirus vendors (those in green) marked the installer as clean.

Microsoft Begins Flagging uTorrent as Malware Threat
Microsoft Begins Flagging uTorrent as Malware Threat

Next we tested BitTorrent client and this time also Microsoft flagged it as malware.

Microsoft Begins Flagging uTorrent as Malware
Microsoft Begins Flagging uTorrent as Malware Threat

We tested the installation of uTorrent and BitTorrent on two of our Windows 10 machines. We had no idea why the installation files were placed in the AppData folder. They are intended to enter program files in the ideal scenario. Perhaps that is how the uTorrent program is coded.

Surprisingly, we were able to run the software and Windows Defender did not show up any message. This leaves with question whether uTorrent is actually a malware? Or it’s just an Windows update that is flagging it as malware? Please let me know your thoughts on this in the comments section.

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Prajwal Desai
Posted by Prajwal Desai
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Prajwal Desai is a Microsoft MVP in Intune and SCCM. He writes articles on SCCM, Intune, Windows 365, Windows Server, Windows 11, WordPress and other topics, with the goal of providing people with useful information.
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