Welcome to the Virus Encyclopedia of Panda Security.
It spreads and affects other computers.
|First detected on:||Jan. 2, 2007|
|Detection updated on:||Jan. 2, 2007|
Noomy.B is a worm that spreads by copying itself, without infecting other files.
- On remote sites: it launches denial of service attacks against Web servers or remote databases.
It reduces the security level of the computer:
it terminates processes belonging to security tools, such as antivirus programs and firewalls, leaving the computer defenseless against attacks from other malware; it notifies the attacker that the computer has been compromised and is ready to be used maliciously; it listens on open ports in order to control the computer remotely.
It uses stealth techniques to avoid being detected by the user:
- It terminates processes corresponding to several security tools, such as antivirus programs and firewalls, to prevent detection.
Noomy.B uses the following propagation or distribution methods:
- Exploiting vulnerabilities with the intervention of the user: exploiting vulnerabilities in file formats or applications. To exploit them successfully it needs the intervention of the user: opening files, viewing malicious web pages, reading emails, etc.
- Email: sending emails that include a copy of itself as an attachment. The computer is infected when the attachment is run.
- IRC: It sends a copy of itself to all users connected to the channel to which the infected user is connected.