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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Msgrua.C

Threat LevelHigh threatDamageSevereDistributionNot widespread
Common name:Msgrua.C
Technical name:W32/Msgrua.C.worm
Threat level:Medium
Type:Worm
Effects:   It spreads and affects other computers. It captures certain information entered or saved by the user, with the corresponding threat to privacy. It generates a large amount of network traffic activity with the consequent consumption of bandwidth. It downloads files from several websites. It spreads , through instant messaging.
Affected platforms:

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

First detected on:July 23, 2006
Detection updated on:July 24, 2006
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Msgrua.C is a worm that spreads by copying itself, without infecting other files.

 

It captures certain information entered or saved by the user, with the corresponding threat to privacy: passwords saved by certain Windows services.

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

 

  • In the local network: it generates a large amount of network activity and consumes bandwidth.

 

Msgrua.C accesses several websites to download files, which it then runs. These can be any type of file, although they are normally malware.

 

Msgrua.C 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.
  • Instant messaging: it sends links pointing to a copy of itself to all users included in the infected user's contacts list.

 

Visible Symptoms

 

Msgrua.C is easy to recognize, as it shows the following symptoms:

  • It displays false error messages when it is run.