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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

MTX.C

Threat LevelHigh threatDamageSevereDistributionNot widespread
Common name:MTX.C
Technical name:W32/MTX.C
Threat level:Medium
Type:Virus
Effects:   It carries out damaging actions on the affected computer. It captures certain information entered or saved by the user, with the corresponding threat to privacy. It affects the productivity of the computer, the network to which it’s connected or other remote sites. It carries out actions that decrease the security level of the computer. It does not spread automatically using its own means.
Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95

First detected on:Jan. 2, 2007
Detection updated on:Jan. 2, 2007
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

MTX.C is a virus that spreads to other computers by copying its code to other files or programs.

 

It captures certain information entered or saved by the user, with the corresponding threat to privacy: passwords saved by certain Windows services; keystrokes, in order to obtain information for accessing online banking services, passwords and other confidential information.

It sends the gathered information to a remote user by any available means: email, FTP, etc.

 

It affects productivity, preventing tasks from being carried out:

  • In the affected computer: causes system slowdowns; it converts the computer into a platform for taking malicious action surreptitiously: spam sending, launch of Denial of Service attacks, malware distribution, etc.
  • In the local network: it generates a large amount of network activity and consumes bandwidth.

 

It reduces the security level of the computer: it changes the security settings of Internet Explorer, decreasing its security level; it opens one or more ports to allow remote access to the computer and takes action that compromises user confidentiality; it listens on open ports in order to control the computer remotely; it awaits remote-control orders received through IRC.

 

MTX.C 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.

 

MTX.C uses the following infection strategies:

  • Resident: once it has been run, the virus goes memory resident and stops functions belonging to the operating system. Therefore, every time the operating system or an application tries to access any of these functions, the virus will activate and infect new files.