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Bug Report - Trojan in conhost.exe compiled from SOURCE #2464

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opened 2026-01-30 22:55:44 +00:00 by claunia · 4 comments
claunia commented 2026-01-30 22:55:44 +00:00
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Originally created by @xpwn3rx on GitHub (Jul 1, 2019).

Environment

Windows build number: [run "ver" at a command prompt] Microsoft Windows [Version 10.0.18922.1000]
Windows Terminal version (if applicable): Thursday 6/27 build from SOURCE

Any other software?

Steps to reproduce

Compiled Thursday build from source.

Expected behavior

Working terminal.

Actual behavior

Get a popup about severe trojan from conhost.exe which was compiled from source.

image

Originally created by @xpwn3rx on GitHub (Jul 1, 2019). # Environment ```none Windows build number: [run "ver" at a command prompt] Microsoft Windows [Version 10.0.18922.1000] Windows Terminal version (if applicable): Thursday 6/27 build from SOURCE Any other software? ``` # Steps to reproduce Compiled Thursday build from source. # Expected behavior Working terminal. # Actual behavior Get a popup about severe trojan from conhost.exe which was compiled from source. ![image](https://user-images.githubusercontent.com/19785522/60451388-c749e880-9be0-11e9-8bd1-2b3417a06774.png)
claunia added the Needs-TriageNeeds-Tag-Fix labels 2026-01-30 22:55:44 +00:00
claunia commented 2026-01-30 22:55:45 +00:00
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@JushBJJ commented on GitHub (Jul 1, 2019):

Possible false positive.

On Tue, 2 Jul. 2019, 2:18 am xpwn3rx, notifications@github.com wrote:

Environment

Windows build number: [run "ver" at a command prompt] Microsoft Windows [Version 10.0.18922.1000]
Windows Terminal version (if applicable): Thursday 6/27 build from SOURCE

Any other software?

Steps to reproduce

Compiled Thursday build from source.
Expected behavior

Working terminal.
Actual behavior

Get a popup about severe trojan from conhost.exe which was compiled from
source.

[image: image]
https://user-images.githubusercontent.com/19785522/60451388-c749e880-9be0-11e9-8bd1-2b3417a06774.png

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@JushBJJ commented on GitHub (Jul 1, 2019): Possible false positive. On Tue, 2 Jul. 2019, 2:18 am xpwn3rx, <notifications@github.com> wrote: > Environment > > Windows build number: [run "ver" at a command prompt] Microsoft Windows [Version 10.0.18922.1000] > Windows Terminal version (if applicable): Thursday 6/27 build from SOURCE > > Any other software? > > Steps to reproduce > > Compiled Thursday build from source. > Expected behavior > > Working terminal. > Actual behavior > > Get a popup about severe trojan from conhost.exe which was compiled from > source. > > [image: image] > <https://user-images.githubusercontent.com/19785522/60451388-c749e880-9be0-11e9-8bd1-2b3417a06774.png> > > — > You are receiving this because you are subscribed to this thread. > Reply to this email directly, view it on GitHub > <https://github.com/microsoft/terminal/issues/1760?email_source=notifications&email_token=AIZ5IGAMXWQMNKQJEHQNZZDP5IU4PA5CNFSM4H4T6ZH2YY3PNVWWK3TUL52HS4DFUVEXG43VMWVGG33NNVSW45C7NFSM4G4VZHKA>, > or mute the thread > <https://github.com/notifications/unsubscribe-auth/AIZ5IGBOFI5ZZWVO5C6UQM3P5IU4PANCNFSM4H4T6ZHQ> > . >
claunia commented 2026-01-30 22:55:45 +00:00
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@xpwn3rx commented on GitHub (Jul 1, 2019):

Likely, but it's either a bug or something that really needs to be addressed.

Edit: Just rebuilt from source, with the updates from today. No anti-virus rage this time.

@xpwn3rx commented on GitHub (Jul 1, 2019): Likely, but it's either a bug or something that really needs to be addressed. Edit: Just rebuilt from source, with the updates from today. No anti-virus rage this time.
claunia commented 2026-01-30 22:55:46 +00:00
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@DHowett-MSFT commented on GitHub (Jul 1, 2019):

This is literally the code for the console host executable that ships inside Windows. If your antivirus solution is tripping up on it, it is very likely that the bug is in your antivirus solution. If that happens to be Windows Defender, we can at least work with them to figure out why there’s a false positive.

@DHowett-MSFT commented on GitHub (Jul 1, 2019): This is literally the code for the console host executable that ships inside Windows. If your antivirus solution is tripping up on it, it is very likely that the bug is in your antivirus solution. If that happens to be Windows Defender, we can at least work with them to figure out why there’s a false positive.
claunia commented 2026-01-30 22:55:46 +00:00
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@xpwn3rx commented on GitHub (Jul 1, 2019):

This is literally the code for the console host executable that ships inside Windows. If your antivirus solution is tripping up on it, it is very likely that the bug is in your antivirus solution. If that happens to be Windows Defender, we can at least work with them to figure out why there’s a false positive.

That was from Windows Defender. The Defender trip also caused a follow up ticket from our Crowdstrike AV system.

@xpwn3rx commented on GitHub (Jul 1, 2019): > This is literally the code for the console host executable that ships inside Windows. If your antivirus solution is tripping up on it, it is very likely that the bug is in your antivirus solution. If that happens to be Windows Defender, we can at least work with them to figure out why there’s a false positive. That was from Windows Defender. The Defender trip also caused a follow up ticket from our Crowdstrike AV system.
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Reference: starred/terminal#2464
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