Welcome to the Virus Encyclopedia of Panda Security.
It allows to gain remote access to the affected computer.
It opens one or more ports to allow remote access to the computer.
It uses anti-monitoring techniques in order to prevent it being detected by antivirus companies.
It does not spread automatically using its own means.
|First detected on:||June 25, 2006|
|Detection updated on:||June 25, 2006|
|Yes, using TruPrevent Technologies
Yudian.A is a backdoor that allows hackers to gain remote access to the affected computer in order to carry out actions that compromise user confidentiality and impede the tasks performed on the computer.
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 uses several methods in order to avoid detection by antivirus companies:
- It prevents scanning tools from running, such as Windows Registry Editor, FileMonitor, etc.
- It terminates its own execution if it detects that a debugging program is active.
Yudian.A does not spread automatically using its own means. It needs an attacking user's intervention in order to reach the affected computer. The means of transmission used include, among others, floppy disks, CD-ROMs, email messages with attached files, Internet downloads, FTP, IRC channels, peer-to-peer (P2P) file sharing networks, etc.