Published Feb 19, 2019 | Updated Mar 12, 2019

Trojan:Win32/Kryptomix

Severe |Detected with Windows Defender Antivirus

Aliases: No associated aliases

Summary

This threat provides attackers backdoor access to infected machines. To stay persistent and evade detection, this threat attempts to turn off Windows Defender Antivirus and adds itself as an authorized application to the Windows Defender Firewall.

This threat can spread through removable drives and network shares.

Windows Defender Antivirus automatically removes threats as they are detected. However, many infections can leave remnant files and system changes. Updating your antimalware definitions and running a full scan might help address these remnant artifacts.

You can also visit our advanced troubleshooting page or search the Microsoft virus and malware community for more help.

Secure configuration

To get the best and fastest protection from Windows Defender Antivirus, ensure it can connect to the cloud protection service. Use the Windows search box to find and open your Virus & threat protection settings and turn on the following:

  • Cloud-delivered protection
  • Automatic sample submission
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