AntivirusBEST Description

ScreenshotAntivirusBEST (also known as Antivirus BEST or Antivirus-BEST) is a rogue anti-spyware program that cames from the FakeXPA family. Typically, AntivirusBEST may either penetrate the host computer through security exploits, or it is known to be downloadable on its website (, which you may be diverted to due to browser hijacking. The distributers of AntivirusBEST use a BHO that infects a user's computer to display fake warning messages which can be easily confused as warning messages delivered by the Windows system.

The following bogus warning messages are issued to lead you to buy the AntivirusBEST program:

"Internet Explorer has found an unregistered version of AntivirusBEST. To protect your computer, please register your AntivirusBEST." and

Privacy Violation alert!
AntivirusBEST detected a Privacy Violation. A program is secretly sending your private data to an untrusted internet host. click here to block this activity by removing the threat (Recommended)."

However, this fake anti-spyware becomes installed on your machine, AntivirusBEST will begin to issue false system scans that detect various fictitious parasite threats, all in order to scare you into buying the licensed version of AntivirusBEST.

AntivirusBEST is a clone of numerous other fraudulent security programs that include Nortel Antivirus, Antivirus 7, Antivirus 2010, Anti-Virus Professional, Earth Antivirus, Personal Security, Cyber Security, Antivir, Antivirus 8, Antivirus 2009, Alpha Antivirus, AVG Antivirus 2011, Antivirus 360, Ghost Antivirus, MaCatte Antivirus 2009, Eco Antivirus, XP Antivirus 2012, Personal Security Pro, E-Set Antivirus 2011, XP Antivirus 2013, Antivirus GT.

Aliases: Fraudtool.AntivirusBest.A [VirusBuster], Win-Trojan/Fakealert.11345408 [AhnLab-V3], Riskware.FraudTool.Win32.AntivirusBest!IK [a-squared], Trojan.DL.FraudLoad.IBY [VirusBuster], Trojan.Win32.Downloader.78848.FF [ViRobot], Win32.TrojanDownloader.FakeAlert.ADW [VBA32], TROJ_FAKEAV.AKOY [TrendMicro], Trojan/Downloader.FraudLoad.wcwf [TheHacker], Downloader.MisleadApp [Symantec], Trojan.Win32.Generic!BT [Sunbelt], Troj/Fakevir-NM [Sophos], TR/Fakealert.afe [AntiVir], W32/FakeAV.LQ [Authentium], Win32:Adware-gen [Avast] and Adware.AntivirusBest.R.11345408 [ViRobot].

Infected with AntivirusBEST? Scan Your PC for Free

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* SpyHunter's free version is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware removal tool to remove the malware threats. Read more on SpyHunter. If you no longer wish to have SpyHunter installed on your computer, follow these steps to uninstall SpyHunter.

Security Doesn't Let You Download SpyHunter or Access the Internet?

Solutions: Your computer may have malware hiding in memory that prevents any program, including SpyHunter, from executing on your computer. Follow to download SpyHunter and gain access to the Internet:
  • Use an alternative browser. Malware may disable your browser. If you're using IE, for example, and having problems downloading SpyHunter, you should open Firefox, Chrome or Safari browser instead.
  • Use a removable media. Download SpyHunter on another clean computer, burn it to a USB flash drive, DVD/CD, or any preferred removable media, then install it on your infected computer and run SpyHunter's malware scanner.
  • Start Windows in Safe Mode. If you can not access your Window's desktop, reboot your computer in "Safe Mode with Networking" and install SpyHunter in Safe Mode.
  • IE Users: Disable proxy server for Internet Explorer to browse the web with Internet Explorer or update your anti-spyware program. Malware modifies your Windows settings to use a proxy server to prevent you from browsing the web with IE.

If you still can't install SpyHunter? View other possible causes of installation issues.

Technical Information

Screenshots & Other Imagery

AntivirusBEST Image 1 AntivirusBEST Image 2 AntivirusBEST Image 3 AntivirusBEST Image 4 AntivirusBEST Image 5 AntivirusBEST Image 6 AntivirusBEST Image 7 AntivirusBEST Image 8

File System Details

AntivirusBEST creates the following file(s):
# File Name Size MD5 Detection Count
1 PreInstaller[1].exe 227,328 eba5ca538be5b69f59f4de9ae8a21f5f 65
2 Installer.exe 78,848 3908ef46a1bd48b2851229455dd8add2 36
3 %AllUsersProfile%\Start Menu\Programs\AntivirusBEST 34
4 abest.exe 11,345,408 14

Registry Details

AntivirusBEST creates the following registry entry or registry entries:
The following CLSID's were found:
HKEY..\..\{CLSID Path}

More Details on AntivirusBEST

The following messages associated with AntivirusBEST were found:
Internal conflict alert.
AntivirusBEST detected internal software conflict. Some application tries to get access to system kernel (such behavior is typical to Spyware/Malware). It may cause crash of your computer.
Privacy Violation alert!
AntivirusBEST detected a Privacy Violation. A program is
secretly sending your private data to an untrusted internet
host. click here to block this activity by removing the threat
System files modification alert!
Some critical system files of your computer were modified by malicious program. It may cause system instability and data loss. Click here to block unathorised modifications by removing threats (Recommended).
Your PC is not protected
Security center reports that 'AntivirusBEST' is inactive. Antivirus software helps to protect your computer against viruses and other security threats. Click here for the suggested actions. You system might be at risk now.

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One Comment

  • J Fields:

    I had trouble antivirusbest for the past week. i could not remove it or stop those popups. I purchased 1 other program and wasted my money. I am glad that you provide a decent program for detecting such a nasty parasite. Thanks a bunch!

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