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Published Apr 05, 2009 | Updated Sep 15, 2017

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Trojan:Win32/Waledac

Detected by Microsoft Defender Antivirus

Aliases: W32/Waledac.gen (McAfee) W32.Waledac (Symantec)

Summary

Trojan:Win32/Waledac is a trojan that collects e-mail addresses found on the computer on which it is installed and distributes spam e-mail messages. Win32/Waledac.A may also try to contact different websites for posting data and downloading arbitrary executable files.

Manual removal is not recommended for this threat. To detect and remove this threat and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product such as Microsoft Security Essentials, or the Microsoft Safety Scanner. For more information about using antivirus software, see http://www.microsoft.com/security/antivirus/av.aspx.

Trojan:Win32/Waledac

Summary

What to do now

Technical information

Threat behavior

Installation

Payload

Prevention

Symptoms

System Changes