Backdoor:W32/IRCBot.GNS

Classification

Malware

Backdoor

W32

Backdoor.Win32.IRCBot.dig, Worm/IrcBot.96950 (Avira), Worm:Win32/Pushbot.EA (Microsoft)

Summary

Backdoor:W32/IRCBot.GNS is a backdoor trojan. Backdoors are programs that allow remote attackers access to the infected machine to compromise data and send additional commands.

Removal

Automatic action

Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.

Suspect a file is incorrectly detected (a False Positive)?

A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:

  • Check for the latest database updates

    First check if your F-Secure security program is using the latest detection database updates, then try scanning the file again.

  • Submit a sample

    After checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.

    NOTE If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.

  • Exclude a file from further scanning

    If you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.

    Note You need administrative rights to change the settings.

Find out more

Knowledge Base

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User Guide

See the user guide for your product on the Help Center.

Contact Support

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Submit a sample

Submit a file or URL for further analysis.

Technical Details

Backdoor:W32/IRCBot.GNS can arrive on a system by being dropped via other malware.

When executed it will create a copy of itself in the following location:

  • %windir%\mservice.exe

Note: %windir% is the Windows directory, usually C:\Windows\

It creates a registry launchpoint to start itselt on system startup.

The malware will attempt to establish a connection to the following IRC Server and join the channel #pBot:

  • http.xn--mg-kka.com:[REMOVED]/TCP

The presence of outbound network traffic to this address is a symptom of infection.

It creates this value:

  • HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ MSN = C:\Windows\mservice.exe

It creates this file:

  • %windir%/mservice.exe

Actions that Backdoor:W32/IRCBot.GNS can be ordered to carry out include:

  • DDOS a specific IP
  • Download and execute arbitrary files
  • Spread via MSN or AIM protocols
  • Retrieve IE stored passwords on the infected system
  • Updates itself