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 Antivirus 2010, Antivirus 360, Nortel Antivirus, Alpha Antivirus, Anti-virus Professional, Cyber Security, MaCatte Antivirus 2009, Eco Antivirus, Antivir, Personal Security, Ghost Antivirus, Antivirus 7, Antivirus GT, Earth Antivirus, Antivirus 8, AVG Antivirus 2011, E-Set Antivirus 2011, XP Antivirus 2013.

Aliases: Fraudtool.AntivirusBest.A, Adware.AntivirusBest.R.11345408, TROJ_FAKEAV.BBW [TrendMicro], Win32/Adware.AntivirusBest [NOD32], Trojan.Fakealert.afe [McAfee-GW-Edition], potentially unwanted program Artemis!11D33A920CB8 [McAfee+Artemis], not-a-virus:FraudTool.Win32.AntivirusBest.a [Kaspersky], not-a-virus:FraudTool.Win32.AntivirusBest [Ikarus], Misc/AntivirusBest [Fortinet], FraudTool.Win32.AntivirusBest.a [F-Secure], Downloader.Zlob.ANKJ [AVG], Win32:Adware-gen [Avast], W32/FakeAV.LQ [Authentium], TR/Fakealert.afe [AntiVir] and Win-Trojan/Fakealert.11345408 [AhnLab-V3].

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 8
2 svchost.exe 1,920,000 8b80f30727e069352a2d209684da4c44 0
3 QWProtect.dll 115,200 5be590be656ad54849cd396c27724845 0
4 Installer.exe 78,848 3908ef46a1bd48b2851229455dd8add2 0
5 abest.exe 11,345,408 11d33a920cb849192e2cc345a6a130dc 0
More files

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.

Site Disclaimer is not associated, affiliated, sponsored or owned by the malware creators or distributors mentioned on this article. This article should NOT be mistaken or confused in being associated in any way with the promotion or endorsement of malware. Our intent is to provide information that will educate computer users on how to detect, and ultimately remove, malware from their computer with the help of SpyHunter and/or manual removal instructions provided on this article.

This article is provided "as is" and to be used for educational information purposes only. By following any instructions on this article, you agree to be bound by the disclaimer. We make no guarantees that this article will help you completely remove the malware threats on your computer. Spyware changes regularly; therefore, it is difficult to fully clean an infected machine through manual means.

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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