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Microsoft Security Intelligence
Published Mar 25, 2007 | Updated Sep 15, 2017

Trojan:BAT/Zapchast.H

Detected by Microsoft Defender Antivirus

Aliases: Backdoor.IRC.Zapchast (Kaspersky) IRC/Flood.mirc (Kaspersky) Mal/Zapchas-A (Sophos)

Summary

Trojan: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.
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