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Published Mar 22, 2011 | Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: TR/Dldr.Delphi.Gen (Avira) Troj/Scar-T (Sophos) Backdoor:Win32/Agent.ABGA (other)


Backdoor:Win32/Bigdipper.A is a trojan that allows remote access and control.
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
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