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Microsoft Security Intelligence
Published Mar 30, 2014 | Updated Sep 15, 2017

Worm:Win32/Macoute.A

Detected by Microsoft Defender Antivirus

Aliases: Trojan.Win32.Scar.huly (Kaspersky)

Summary

Windows Defender Antivirus detects and removes this threat.

This threat is a worm that can use your PC to spread.

It could have arrived on your PC in a number of ways - including a spam email or an infected removable drives, such as a USB flash drive.

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.

Worm:Win32/Macoute.A tries to use the Windows Autorun function to spread via removable drives, like USB flash drives. You can disable Autorun to help prevent threats from spreading:
Enable MAPS 

Enable the Microsoft Active Protection Service (MAPS) on your system to protect your enterprise software security infrastructure in the cloud.

  1. Check if MAPS is enabled in your Microsoft security product:

    1. Select Settings and then select MAPS.

    2. Select Advanced membership, then click Save changes. With the MAPS option enabled, your Microsoft anti-malware security product can take full advantage of Microsoft's cloud protection service

  2. Join the Microsoft Active Protection Service Community.
Get more help

You can also ask for help from other PC users at the Microsoft virus and malware community.

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

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