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Threat LevelLow threatDamageHighDistributionNot widespread
Common name:A-FastAntivirus
Technical name:Adware/A-FastAntivirus
Threat level:Medium

It is an adware program which deceives users and warns them of unexisting threats in their computers. It can reach the computer when the user accesses certain websites which display banners or pop-up windows which lead to the download of this program.

Affected platforms:

Windows 98/95

First detected on:May 4, 2010
Detection updated on:May 5, 2010

Brief Description 


A-FastAntivirus is an adware program that warns users of unexisting threats in their computers so that they purchase a certain program that removes them from the computer.

A-FastAntivirus can reach the computer when the user accesses certain websites which display banners or pop-up windows which lead to the download of this program. It can also reach the computer in a link that can be received via spam messages, fraudulent websites, etc.

Visible Symptoms 


A-FastAntivirus is easy to recognize, as it shows the symptoms below:

  • It reaches the computer in a file with the following icon:

    Icon of A-FastAntivirus
  • When this file is run, the following warning is displayed, informing users that the computer is infected with spyware and recommending them to install an antispyware program. In order to be more credible, it seems that Windows will download the program:

    Infection alert displayed by A-FastAntivirus
  • Once installed, the interface of the program is displayed and starts scanning the system in search for possible malware:

    Scan carried out by A-FastAntivirus
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