A Bot, sometimes referred to as Zombie, is a computer that has been infected with malware that allows a remote malicious user access to the computer. This Bot attempts to spread via MSN Messenger.
Disinfection & Removal
Allow F-Secure Anti-Virus to disinfect the relevant files.
For more general information on disinfection, please see Removal Instructions.
Upon execution this malware drops a copy of itself in the following directory:
Note: %windir% is typically C:\Windows
It also displays the following:
There is no picture, the message is false and is used as a decoy.
It creates an autostart function by adding the following registry keys:
- HKLM\Software\Microsoft\Windows\CurrentVersion\Run Microsoft Update = livemessenger.com
- HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnce Microsoft Update = livemessenger.com
- HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnceEx Microsoft Update = livemessenger.com
It disable the Task Manager and the Registry Editor by setting the following:
- HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System DisableTaskMgr = 00000001 DisableRegistrytools = 00000001
This backdoor has keylogging capabilities and saves all the data to the following location:
Like many other typical Bots, it connects to a server on port 1863 and waits for a command from a remote hacker.
IRCBot attempts to connect to the following site:
This Bot has the following commands:
- Download and execute files
- Get the Bot's up-time
- Join/Quit IRC channel
- Kill processes
- Send private message on IRC
- Spread the Bot via MSN messenger
- Update the Bot