Published Mar 15, 2009 | Updated Sep 15, 2017


Detected by Microsoft Defender Antivirus

Aliases: Trojan-Downloader.WMA.GetCodec.c (Kaspersky) Troj/Wimad-E (Sophos) ASF/Wimad!generic (CA) Downloader-UA.h (McAfee) Trojan.Wimad (Symantec)


TrojanDownloader:ASX/Wimad.BD is a detection for malicious Windows media files that are used in order to encourage users to download and execute arbitrary files on an affected machine. When opened with Windows Media Player, these malicious files open a particular URL in a web browser.  The sites contacted, and files downloaded by TrojanDownloader:ASX/Wimad are variable, and may change over time and from instance to instance of this trojan downloader.
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 the Microsoft Safety Scanner ( For more information, see
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