Published Sep 15, 2010 | Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: Trojan.Win32.Scar.crgi (Kaspersky) Trojan horse SHeur3.AXEM (AVG) TR/Scar.crgi (Avira) Win32/Zbot.M!generic (CA) Trojan-Downloader.Win32.Carberp (Ikarus) Trj/Downloader.MDW (Panda) Trojan.Win32.Generic!SB.0 (Sunbelt Software)


Trojan:Win32/Opachki.F is a backdoor that modifies a number of system settings, and periodically attempts to download and execute arbitrary files.
To detect and remove this threat and other malicious software that may be installed in your computer, run a full-system scan with an up-to-date antivirus product such as the following:
For more information on antivirus software, see
Additional remediation instructions for Trojan:Win32/Opachki.F
This threat may make lasting changes to a computer’s configuration that are NOT restored by detecting and removing this threat. For more information on returning an infected computer to its pre-infected state, please see the following article/s:
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