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TrojanDownloader:Win32/Esendi.A
Aliases: No associated aliases
Summary
Microsoft Defender Antivirusdetects and removes this threat.
This trojan downloader has been observed downloading and installing the following malware:
Apart from installing other malware, this trojan also modifies DNS server settings.Attackers responsible for distributing this trojan use the modified DNS server settings to inject ads into requested web pages. The DNS setting changes can also be used to manipulate routing of other network connections.
Scanning with Microsoft 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 Microsoft 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.
