[GH-ISSUE #6012] Windows Security triggered on 0.70.0 netbird windows installation executable #11451

New Issue

saavagebueno · 2026-08-05T01:29:44-04:00

saavagebueno commented

2026-08-05 01:29:44 -04:00

Originally created by @GiganticThirstyHerald on GitHub (Apr 28, 2026).
Original GitHub issue: https://github.com/netbirdio/netbird/issues/6012

Describe the problem

Windows Security triggered on 0.70.0 netbird windows installation executable with Trojan:Script/Wacatac.H!ml warning

https://www.virustotal.com/gui/file/275e78e7d2b1588db344d99a978c860e0f826e28e7e3eeeac93aa44cf61e60c9/detection

To Reproduce

Steps to reproduce the behavior:

Try to install 0.70
Get security warning

Expected behavior

Install it without triggering Window Security

NetBird version

0.70

Originally created by @GiganticThirstyHerald on GitHub (Apr 28, 2026). Original GitHub issue: https://github.com/netbirdio/netbird/issues/6012 **Describe the problem** Windows Security triggered on 0.70.0 netbird windows installation executable with Trojan:Script/Wacatac.H!ml warning https://www.virustotal.com/gui/file/275e78e7d2b1588db344d99a978c860e0f826e28e7e3eeeac93aa44cf61e60c9/detection **To Reproduce** Steps to reproduce the behavior: 1. Try to install 0.70 2. Get security warning **Expected behavior** Install it without triggering Window Security **NetBird version** 0.70

saavagebueno added the triage-needed label 2026-08-05 01:29:44 -04:00

saavagebueno closed this issue

2026-08-05 01:29:44 -04:00

saavagebueno commented

2026-08-05 01:29:44 -04:00

@prince7395 commented on GitHub (Apr 28, 2026):

Hi,

Same here...
600+ users cant download 0.70.0 version. MS defender block download and installation. Same for .exe and .msi.
Add SHA 256 hash in MS Defender portal 1+h ago and users still cannot download 0.70.0 version. Auto-update try to download 0.70.0 version and instantly get blocked by MS Defender.

@prince7395 commented on GitHub (Apr 28, 2026): Hi, Same here... 600+ users cant download 0.70.0 version. MS defender block download and installation. Same for .exe and .msi. Add SHA 256 hash in MS Defender portal 1+h ago and users still cannot download 0.70.0 version. Auto-update try to download 0.70.0 version and instantly get blocked by MS Defender.

saavagebueno commented

2026-08-05 01:29:45 -04:00

@mizzuri commented on GitHub (Apr 28, 2026):

I've already upgraded to 0.70.0 on Ubuntu servers.
Are Linux packages affected as well?

@mizzuri commented on GitHub (Apr 28, 2026): I've already upgraded to 0.70.0 on Ubuntu servers. Are Linux packages affected as well?

saavagebueno commented

2026-08-05 01:29:45 -04:00

@mlsmaycon commented on GitHub (Apr 28, 2026):

Hello Folks,

We changed our signature; the old one was expiring, and we had to replace it.

It is backed by Verisign and should be fine, but some Windows users with Defender have been prompted to open it anyway, which may alarm them.

As there was no other way around this, some antivirus software will monitor this and rely on user feedback to update their databases. So we depend a lot on the community.

@mlsmaycon commented on GitHub (Apr 28, 2026): Hello Folks, We changed our signature; the old one was expiring, and we had to replace it. It is backed by Verisign and should be fine, but some Windows users with Defender have been prompted to open it anyway, which may alarm them. As there was no other way around this, some antivirus software will monitor this and rely on user feedback to update their databases. So we depend a lot on the community.

saavagebueno commented

2026-08-05 01:29:45 -04:00

@koendiender commented on GitHub (Apr 28, 2026):

Even more AV detections now on VirusTotal. At the time of writing there are 6. Are we sure these are all false positives?
https://www.virustotal.com/gui/file/275e78e7d2b1588db344d99a978c860e0f826e28e7e3eeeac93aa44cf61e60c9/detection

@koendiender commented on GitHub (Apr 28, 2026): Even more AV detections now on VirusTotal. At the time of writing there are 6. Are we sure these are all false positives? https://www.virustotal.com/gui/file/275e78e7d2b1588db344d99a978c860e0f826e28e7e3eeeac93aa44cf61e60c9/detection

saavagebueno commented

2026-08-05 01:29:45 -04:00

@GiganticThirstyHerald commented on GitHub (Apr 29, 2026):

@mlsmaycon thanks for the info
As of 0.70.2, virustotal reports 1 detection, win installation is unblocked

@GiganticThirstyHerald commented on GitHub (Apr 29, 2026): @mlsmaycon thanks for the info As of 0.70.2, [virustotal reports 1 detection](https://www.virustotal.com/gui/file/18c5cbd8a98e28a4a2b1e626ffa20a36057719655582c451c55faea5cb401147), win installation is unblocked

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Reference: DYNR/netbird#11451