Delete ZeroAccess (Sirefef) virus from PC

ZeroAccess (Sirefef) – What is it?

The ZeroAccess rootkit is a dangerous application. Also, the malware known as Sirefef. This type of unwanted application aims to generate revenue to the authors. The software will make money through pay per click advertising. Thus, it is deemed as a scam. Such scam is a very profitable business for malware developers. The dangerous threat is able of downloading other malwares on to the compromised PC. Keep in mind, some of such suspicious programs may be Misleading Applications. Typically, this kind of malware display fake data, alerts, pop up messages about threat found on the laptop or personal computer. Thus, the software aims to scare the user. As a result, the naive user (or just novice) may purchase the fake antivirus program. Of course, it promises to delete the bogus threats. However, it is a dodgy trick.

ZeroAccess (Sirefef) – Technical Information


Service: [{c2ebb9ac-1717-32d0-3599-364f31b59d79}]

C:\WINDOWS\system32\svchost.exe C:\WINDOWS\system32\comres.dll Infected ->!yr
C:\WINDOWS\explorer.exe C:\WINDOWS\system32\comres.dll Infected ->!yr

GridinSoft Anti-Malware is an user-friendly and powerful application. We recommend you to scan your system with it. The software will help to eliminate all computer viruses, threats, malware and other infections from PC (laptop). We recommend you use the full version of the program. Therefore, the antimalware is able to remove ZeroAccess (Sirefef) threat in a few minutes.

How to remove it?

If you detect ZeroAccess (Sirefef) and want to eliminate it as quickly as possible, then you can follow the removal instructions given below. We wrote full manuals how to delete ZeroAccess (Sirefef) automatically and manually. Of course, you can choose a manual technique to remove this unpleasant program. But, we must warn that manual removal may be complex and difficult task for novice users. If you do not have considerable experience in dealing with such software, it is better is you select an automatic removal tool.

Automatic removal tool for ZeroAccess (Sirefef)

GridinSoft Anti-Malware

It is a perfect tool both for home and corporate usage. Developed specifically for automatic removal of viruses, bots, spyware, keyloggers, trojans, shareware and rootkits without the need to manually edit system files or registry, GridinSoft Anti-Malware additionally fixes system modifications that were introduced by malware and which, regretfully, are often ignored by some popular antivirus scanners. Also, GridinSoft Anti-Malware is quite easy to install and to use due to its intuitive interface. We strongly recommend you to start protecting your computer with this antimalware tool. Thousands of users have already tested GridinSoft Anti-Malware on their PCs, which means that you have nothing to worry about. Moreover, the program may Reset Browser Settings FREE. You can download it by clicking the link below.

ADWARE removal tool

Virus ZeroAccess (Sirefef) step by step removal instruction (for automatically way):

  1. Download GridinSoft Anti-Malware.
  2. Please, choose “Standart scan”, “Quick scan” or “Full scan” to scan your PC.
  3. automatic removal

  4. Delete all detected infected files and registry entries by clicking “Apply” at the end of scan.
  5. 1. tk_apply_scan_results copy

  6. Important: Shut down all your browsers before next steps.
  7. In GridinSoft Anti-Malware click “Tools” tab and select “Reset browser settings“:
  8. 2.tk_tools_reset_browser_settings copy

  9. Please, click “Reset” button.

3.tk_reset_button copy

This video will help you to reset your internet browser using GridinSoft Anti-Malware:

How to prevent your PC from being reinfected with virus ZeroAccess (Sirefef) in the future.

GridinSoft Anti-Malware offers excellent solution which may help to prevent your system from being contaminated with malware ahead of time. This feature is referred to as “Real-Time Protection”. By default, it is disabled once you install the software. To enable it, please click on “Protect” button and press “Start” as demonstrated below:

4.tk_protect_mode_enable copy

This options helps you to prevent execution of malicious programs and to avoid their installation ahead of time. When certain malware tries to install itself into your system, GridinSoft Anti-Malware and its Real-Time Protection module will terminate this installation attempt ahead of time. You may click on “Confirm” button to continue blocking this malicious program, or to select “Ignore this file” and allow the malicious application to be installed (at your own risk):

5.tk_malicious_item_blocked copy

The manual removal for advanced users.

  1. Click “START” and choose “Сontrol Panel”
  2. Screenshot 1,1

    For Windows 8


  3. Please, select “Programs and Features”.
  4. screen 2.1

  5. Now on your screen appear window to uninstall or change a program.
  6. Malware Protection Live uninstall

  7. Search the Uninstall.exe and select on “Uninstall”

Also, you should reminded that you need to uninstall all add-ons from your internet browser and other tied junkware. If this task is a difficult for you, please use GridinSoft Anti-Malware. GridinSoft Anti-Malware may Reset Browser Settings FREE

ADWARE removal tool

You find detailed instructions how to reset browser settings manually HERE

Good luck!

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