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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

SpywareNo

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:SpywareNo
Technical name:Adware/SpywareNo
Threat level:Low
Alias:Trojan.Win32.FakeAlert.a, spysheriff.com, Renos,
Type:Spyware
Subtype: Adware
Effects:  

It warns users of non-existing threats, which are supposedly deleted when the full version of the program is purchased. It exploits vulnerabilities in order to be automatically downloaded when accessing certain websites.

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Affected platforms:

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

First detected on:May 26, 2005
Detection updated on:Jan. 22, 2010
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

SpywareNo is an adware type malware. It is a fake anti-malware program that warns users of non-existing threats, which can only be deleted after purchasing the full version of the program.

When users buy the full version and register the product, the so-called threats are no longer detected and the computer is supposedly clean.

SpywareNo is installed in the affected computer without user consent. It is automatically downloaded while accessing several adult sites or pirated software websites that contain links to web pages that distribute adware belonging to the CWS family by exploiting vulnerabilities. It can also be downloaded from the web page www. spywareno. com.

Visible Symptoms 

    

SpywareNo is easy to recognize once it has affected the computer, as it shows the following symptoms:

  • An icon belonging to the fake anti-malware program appears on the System Tray:


  • Later on, the following message appears on screen:


  • It creates a shortcut link on the Desktop: