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A-Fast Antivirus is a rogue anti-spyware program that uses misleading methods to scare users into thinking that their computers are infected with malware. It uses javascript and css within your web browser, including MSIE and Firefox, to mimic another well known antivirus program. It has been dubbed "scareware" by some writers. A-Fast Antivirus is a rogue anti-spyware or [[Rogue Antivirus]] program that uses misleading methods to scare users into thinking that their computers are infected with malware. It uses javascript and css within your web browser, including MSIE and Firefox, to mimic another well known antivirus program. It has been dubbed "scareware" by some writers. A-Fast is known by other names:* Critical System Warning!* Fast Windows Antivirus''Update: Another Rogue Antivirus program has emerged in 2011 that, like A-Fast, looks like a anti virus interface, however, is much more convincing and some variants have the ability to automatically install in MSIE and Firefox! [[Internet Security 2012 Virus]] is more aggressive than A-Fast.''Many occurrences of A-Fast are reported by people doing Google Image Searches. A-Fast can hijack Google Image search result pages.See this article at [http://www.2-spyware.com/remove-a-fast-antivirus.html Spyware.com].* See this article at [http://www.2-spyware.com/remove-a-fast-antivirus.html Spyware.com].* BleepingComputer.com http://www.bleepingcomputer.com/virus-removal/remove-a-fast-antivirus == Example == There are more than one variants of A-Fast, so it may look slightly different depending on what version you encounter. The following is the version that I encountered. Although I didn't get infected, I proceeded enough to do some research and get some screen captures. This is the popup you will encounter (Firefox Example) and you have no choices other than "OK". Here is where it is recommended you use Windows Task Manager and simply kill the web browser process to close your browser before anything is installed. [[Image:A-Fast01.png]] If you click OK on the dialog box above, you will see this Fake Antivirus scan. It is actually your web browser after being hijacked by Javascript and CSS to mimic the look of a legitimate antivirus application. [[Image:A-Fast02.jpg]] If you try to navigate away from the page or close the browser window another popup will urge you to proceed with the scan. Remember, these are ALL FAKE WARNINGS designed to scare you and trick you into allowing a virus to be installed on your system. [[Image:A-Fast03.png]] The following link is a LIVE EXAMPLE of the A-Fast Fake Virus Scanner. DO NOT CLICK ON THIS IF YOU ARE NOT AN EXPERT IN PC SECURITY because it will attempt to install A-Fast on your system. This link is provided as a reference for research purposes only. This link was still known to be an active working example of A-Fast on March 2011. At some point it would be nice to see authorities somewhere shut this example down. * [http://utgvkxlo.co.cc/fast-scan/ A-Fast Live Example] (Actual Virus Site - DO NOT CLICK) Virus Link Syntax: <nowiki> http://utgvkxlo.co.cc/fast-scan/</nowiki> Ironically, doing a Google Image Search produces an image from a web site at <nowiki>http://reco-chat.com.ar/</nowiki> which is a hotlink to the virus. It is not fully understood why the google image link redirects to the .cc domain, while going directly to the URL Google reports the image at does not. Indications suggest an exploit in Google Images, which continues to be ignored by Google even a year after we first detected it. [[Category:Malware]][[Category:Virus]]