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Backdoor:BAT/Zapchast.H
Detected by Microsoft Defender Antivirus
Aliases: Backdoor.IRC.Zapchast (Kaspersky) IRC/Flood.mirc (Kaspersky) Mal/Zapchas-A (Sophos)
Summary
Backdoor:BAT/Zapchast.H opens a backdoor on compromised system, installs the mirc chat client, and uses that client to connect to an IRC server which allows attackers to remotely administer the Trojan.
Manual removal is not recommended for this threat. To detect and remove this threat and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product such as Microsoft Security Essentials, or the Microsoft Safety Scanner. For more information about using antivirus software, see http://www.microsoft.com/security/antivirus/av.aspx.
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