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Microsoft Security Intelligence
Published Jan 21, 2008 | Updated Sep 15, 2017

TrojanDownloader:Win32/Seimon.gen!A

Detected by Microsoft Defender Antivirus

Aliases: Troj/Luncha-Gen (Sophos)

Summary

TrojanDownloader:Win32/Seimon.gen!A is a generic detection for malware that downloads and executes arbitrary files, and transmits limited system information to a remote host.
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 (http://go.microsoft.com/fwlink/?LinkId=212742). For more information, see http://www.microsoft.com/protect/computer/viruses/vista.mspx.
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