Welcome to the Virus Encyclopedia of Panda Security.
It spreads and affects other computers.
It uses the infected computer to take malicious actions on other users.
It carries out actions that decrease the security level of the computer.
by exploiting vulnerabilities, through instant messaging.
|First detected on:||June 20, 2006|
|Detection updated on:||June 20, 2006|
|Yes, using TruPrevent Technologies
MSNSmall.A is a worm that spreads by copying itself, without infecting other files.
It affects productivity, preventing tasks from being carried out:
- In the affected computer:
it converts the computer into a platform for taking malicious action surreptitiously: spam sending, launch of Denial of Service attacks, malware distribution, etc.
It reduces the security level of the computer:
it opens one or more ports to allow remote access to the computer and takes action that compromises user confidentiality; it awaits remote-control orders received through
MSNSmall.A 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.
The vulnerabilities exploited are MS04-011, MS03-039.
- Instant messaging: it sends links pointing to a copy of itself to all users included in the infected user's contacts list.