Published Oct 01, 2008 | Updated Sep 15, 2017

Backdoor:Win32/Bifrose

Severe |Detected with Windows Defender Antivirus

Aliases: Backdoor.Win32.Bifrose.phc (Kaspersky) Troj/Bifrose-UV (Sophos) Backdoor.Bifrose.ZTO (BitDefender) BackDoor-CEP (McAfee) Backdoor.Bifrose (Symantec)

Summary

Backdoor:Win32/Bifrose is a backdoor trojan that connects to a remote IP address using either TCP port 81 or a random port. It allows an attacker to access the computer and perform various actions.

Use the following free Microsoft software to detect and remove this threat:

You should also run a full scan. A full scan might find hidden malware.
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 visit our advanced troubleshooting page or search 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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