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Microsoft Security Intelligence
Published Aug 29, 2007 | Updated Sep 15, 2017

Backdoor:Win32/IRCbot.OR

Detected by Microsoft Defender Antivirus

Aliases: Win32/Checkout.G (CA) IM-Worm.Win32.Agent.g (Kaspersky) Generic.dx (McAfee) Troj/Agent-FZN (Sophos) W32.Mubla.B (Symantec)

Summary

Backdoor:Win32/IRCbot is a Trojan that connects to an Internet Relay Chat (IRC) server and provides attackers with remote access to the infected system. Commands that can be remotely executed include downloading and executing files. Backdoor:Win32/IRCbot also includes the ability to send itself to MSN Messenger contacts.
Backdoor:Win32/IRCbot.OR may download and install additional malicious software, thus manual removal is not recommended. To detect and remove this Trojan and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product such as the Microsoft Safety Scanner (http://go.microsoft.com/fwlink/?LinkId=212742). For more information, visit http://www.microsoft.com/athome/security/downloads/default.mspx
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