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
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.
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 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.
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
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