Jump to content

Welcome to Geeks to Go
Geeks to Go Welcome
Create Account Login to Account

Removal instructions for A-Fast Antivirus

- - - - -

  • Please log in to reply
No replies to this topic



    Spyware Veteran

  • GeekU Moderator
  • 33,101 posts
Content is republished with permission from Malwarebytes.

What is A-Fast Antivirus?

The Malwarebytes research team has determined that A-Fast Antivirus is a fake anti-malware application. These so-called "rogues" use intentional false positives to convince users that their systems have been compromised. Then they try to sell you their software, claiming it will remove these threats. In extreme cases the false threats are actually the very trojans that advertise or even directly install the rogue. You are strongly advised to follow our removal instructions below.

How do I know if I am infected with A-Fast Antivirus?

This is how the main screen of the rogue application looks:

Posted Image

You will find these icons on your desktop and in your taskbar:

Posted Image

And see this warning:

Posted Image

How did A-Fast Antivirus get on my computer?

Rogue programs use different methods for spreading themselves. This particular one poses as a fake on-line scanner.

How do I remove A-Fast Antivirus?

Our program Malwarebytes' Anti-Malware can detect and remove this rogue application.
  • Please download Malwarebytes' Anti-Malware to your desktop.
  • Double-click mbam-setup.exe and follow the prompts to install the program.
  • At the end, be sure a check-mark is placed next to the following:

    • Update Malwarebytes' Anti-Malware
    • Launch Malwarebytes' Anti-Malware
  • Then click Finish.
  • If an update is found, it will download and install the latest version.
  • Once the program has loaded, select Perform quick scan, then click Scan.
  • When the scan is complete, click OK, then Show Results to view the results.
  • Be sure that everything is checked, and click Remove Selected. Reboot your computer if prompted.
  • When completed, a log will open in Notepad. The rogue application should now be gone.

Is there anything else I need to do to get rid of A-Fast Antivirus?
  • The rogue intercepts calls to your task manager. You can download Process Explorer. Run it and click "Options" > "Replace Task Manager". Enjoy the added value that Process Explorer has over your standard Task Manager.

How would the full version of Malwarebytes' Anti-Malware help protect me?

We hope our application has helped you eradicate this malicious software. If your current security solution let this infection through, you might please consider purchasing the FULL version of Malwarebytes' Anti-Malware for additional protection.

As you can see below the full version of Malwarebytes' Anti-Malware would have protected you against the A-Fast Antivirus rogue. It would have warned you before the rogue could install itself, giving you a chance to stop it before it became too late.

Posted Image

Posted Image

Technical details for experts

Signs in a HijackThis log:
C:\Program Files\A-fast\A-fast.exe

O4 - HKCU\..\Run: [fast] C:\Program Files\A-fast\A-fast.exe

Alterations made by the installer:
File System
	In the existing folder C:\Documents and Settings\{username}\Desktop
	  Adds the file A-fast Antivirus.lnk"="13:07 09/05/10 656 bytes
	Adds the folder C:\Program Files\A-fast
	  Adds the file A-fast.exe"="21:51 03/05/10 979968 bytes

	  "C:\Program Files\A-fast\A-fast.exe"="'C:\Program Files\A-fast\A-fast.exe:*:Enabled:afast'"
	  "First Start"="1"
	  "fast"="'C:\Program Files\A-fast\A-fast.exe'"

Malwarebytes' Anti-Malware log:
Malwarebytes' Anti-Malware 1.46

Database version: 4080

Windows 5.1.2600 Service Pack 2
Internet Explorer 6.0.2900.2180

5/9/2010 1:12:52 PM
mbam-log-2010-05-09 (13-12-52).txt

Scan type: Quick scan
Objects scanned: 104684
Time elapsed: 3 minute(s), 13 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 2
Registry Data Items Infected: 0
Folders Infected: 1
Files Infected: 2

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fast (Rogue.AfastAntivirus) -> Quarantined and deleted successfully.
\StandardProfile\AuthorizedApplications\List\c:\program files\a-fast\a-fast.exe (Rogue.AfastAntivirus) -> Quarantined and deleted successfully.

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
C:\Program Files\A-fast (Rogue.AfastAntivirus) -> Quarantined and deleted successfully.

Files Infected:
C:\Program Files\A-fast\A-fast.exe (Rogue.AfastAntivirus) -> Quarantined and deleted successfully.
C:\Documents and Settings\{username}\Desktop\A-fast Antivirus.LNK (Rogue.AfastAntivirus) -> Quarantined and deleted successfully.

As mentioned before the full version of Malwarebytes' Anti-Malware could have protected your computer against this threat.
We use different ways of protecting your computer(s):
  • Dynamically Blocks Malware Sites & Servers
  • Malware Execution Prevention
Save yourself the hassle and get protected.
  • 0


0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users

As Featured On:

Malware Removal How to Guides Windows 7 System Building Download Files Register welcome

Never used a forum? Learn how.