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Published Oct 10, 2011 | Updated Sep 15, 2017

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Trojan:Win32/R2d2.A!rootkit

Detected by Microsoft Defender Antivirus

Aliases: Win-Trojan/R2d2.5376 (AhnLab) W32/R2D2.A (Command) BackDoor.R2D2.1 (Dr.Web) Win32/R2D2.A (ESET) Backdoor.Win32.R2D2.a (Kaspersky) Troj/BckR2D2-A (Sophos) Backdoor.R2D2 (Symantec) Rootkit.R2D2.B (VirusBuster)

Summary

Trojan:Win32/R2d2.A!rootkit is a component of Backdoor:Win32/R2d2.A. It can delete or rename protected files, modify file properties and perform other actions.

To detect and remove this threat and other malicious software that may be installed on your computer, run a full-system scan with an appropriate, up-to-date, security solution. The following Microsoft products detect and remove this threat:

For more information on antivirus software, see http://www.microsoft.com/windows/antivirus-partners/.

Trojan:Win32/R2d2.A!rootkit

Summary

What to do now

Technical information

Threat behavior

Installation

Payload

Prevention

Symptoms

System changes