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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

SpySheriff

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:SpySheriff
Technical name:Adware/SpySheriff
Threat level:Low
Type:Adware
Effects:   It displays pop-up messages when it runs, distracting users and affecting productivity. It downloads files from several websites. It does not spread automatically using its own means.
Affected platforms:

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

First detected on:June 21, 2005
Detection updated on:May 6, 2008
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Adware refers to programs that display advertising using any means: pop-ups, banners, changes to the browser home page or search page, etc. The advertisements could be associated with the products or services offered by the creator of the program or by third-parties.

Adware can be installed in a number of ways, on some occasions without users' consent, and either with or without users' knowledge of its function.

 

It affects productivity, preventing tasks from being carried out:

  • In the affected computer: it displays pop-up windows.

 

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

 

SpySheriff 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.
  • It is dropped or downloaded to the computer by other malware specimens, for example: prueba, Downloader.NET, Downloader.NMT, Downloader.OES, Metko.B, Downloader.OMP, Downloader.OOC, Downloader.OYF.

 

Visible Symptoms

 

SpySheriff is easy to recognize, as it shows the following symptoms:

  • It creates shortcuts in the Windows Desktop.