Published Jun 28, 2015 | Updated May 02, 2018

Trojan:Win32/Kwampirs.A

Severe |Detected with Windows Defender Antivirus

Aliases: No associated aliases

Summary

Windows Defender Antivirus detects and removes this threat.

This trojan installs a backdoor that provides access to remote attackers. Reports involving this trojan cite:

  • Attacks against healthcare organizations in multiple regions
  • Attacks that take advantage of software supply chains. These attacks typically introduce malware by hijacking software update channels.

Find out ways that malware can get on your PC.

Scanning with Windows Defender Antivirus or other Microsoft antimalware 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 the Windows Defender Security Center. Navigate to Virus & threat protection settings and enable the following:

  • Cloud-delivered protection
  • Automatic sample submission
Prevent malware infection

Refer to our guide on how to prevent malware infection.

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