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Microsoft Security Intelligence
Published May 18, 2011 | Updated Sep 15, 2017

Trojan:WinNT/Necurs.A

Detected by Microsoft Defender Antivirus

Aliases: Mal/Necurs-A (Sophos) RTKT_NECURS.SMA (Trend Micro) Trojan.Hosts.5268 (Dr.Web) Trojan.Win32.Genome.aglua (Kaspersky) Trojan.WinNT.Necurs (Ikarus) Win32/SpamTool.Tedroo.AS (ESET)

Summary

Windows Defender detects and removes this threat.

This trojan can stop a number of security programs from working on your PC. It can also monitor what you do online.

It can be installed by other members of the Trojan:Win32/Necurs family or by rogue security software, like Rogue:Win32/Winwebsec.

Find out ways that malware can get on your PC.

The following free Microsoft software detects and removes this threat:

Even if we've already detected and removed this particular threat, running a full scan might find other malware that is hiding on your PC.

You can also visit the Microsoft virus and malware community for more help.

If you’re using Windows XP, see our Windows XP end of support page.

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