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Remove Trojan:Win32/Sirefef.AL as it makes of your browser an advertisement channel to feature dubious content related to the hackers

Trojan:Win32/Sirefef.AL marks malware of Sirefef family. The current modulation is meant to play tricks with DNS settings in order to transform your queries to the browser aimed at opening useful or otherwise beneficial for you websites into orders to open advertisement specified by the web crooks.
In particular, removal of Trojan:Win32/Sirefef.AL is often regarded as extermination of search results replacement virus as it imposes on users commercial links instead of that returned according to the algorithm of Google or another reliable search engine.
Launch free scanner available here to get rid of Trojan:Win32/Sirefef.AL and browse the web without getting your queries intercepted and distorted by the hacker’s agent.

Trojan:Win32/Sirefef.AL behaviour and details:


  • Trojan:Win32/Sirefef.AL may seriously slow your computer;
  • Trojan:Win32/Sirefef.AL may be difficult to remove manually;
  • Trojan:Win32/Sirefef.AL may generate other fake alerts;
  • Trojan:Win32/Sirefef.AL is the consequence of other malware infections;
  • We recommend to remove Trojan:Win32/Sirefef.AL automatically.

Automated removal:

It is critically important to remove Trojan:Win32/Sirefef.AL, yet there might be a number of other threats to deal with. Without a doubt, presence of one infection on your PC increases the odds of having more than one threat, other things being equal, for every infection definitely weakens computer system.

The tool to get rid of Trojan:Win32/Sirefef.AL takes the above consideration into account as it detects the infections through entire hard and removable memory submitted in order that it can delete the specified parasites. It is a multi-purpose solution to satisfy the variety of your computer protection needs. In the meantime, its ability to perform the extermination of rogue in question has been tested specifically, and empirical evidence available that it does cope with the task.

Trojan:Win32/Sirefef.AL Uninstaller

Trojan:Win32/Sirefef.AL manual removal instructions:

Incorrect or incomplete deletion happens when one or more constituents of deleted rogue are omitted and/or harmless files and registry values are abolished instead. Such improper act rather harms than cures. If you stand for the manual procedure and is about to apply it, please completely delete the rogue in a strict accordance with the list below.

Remove Trojan:Win32/Sirefef.AL files:

%System%\drivers\[RANDOM CHARACTERS].sys


C:\WINDOWS\system32\[random name].dll

Remove Trojan:Win32/Sirefef.AL registry entries:

HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main “Use FormSuggest” = ‘Yes’

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” = ’0?

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “WarnonBadCertRecving” = ’0?

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop “NoChangingWallPaper” = ’1?

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Associations “LowRiskFileTypes” = ‘.zip;.rar;.nfo;.txt;.exe;.bat;.com;.cmd;.reg;.msi;.htm;.html;.gif;.bmp;.jpg;.avi;.mpg;.mpeg;.mov;.mp3;.m3u;.wav;.scr;’

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments “SaveZoneInformation” = ’1?

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer “NoDesktop” = ’1?

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableTaskMgr” = ’1?

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “[random].exe”

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “[random]”

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system “DisableTaskMgr” = ’1?

HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Download “CheckExeSignatures” = ‘no’

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced “Hidden” = ’0?

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced “ShowSuperHidden” = ’0?

Related removal guides:

  1. Get rid of Win32/Sirefef.CH browser oppressor and the peril of drawing your PC into botnet
  2. Get rid of Trojan:Win32/Sirefef.AK and the rogues it guards as a rootkit
  3. Get rid of Trojan:Win32/Sirefef.P as is or as a part of larger infection
  4. Remove Win32/Sirefef.FB.Gen making note of its payload peculiarities
  5. How to remove Sirefef.AH and Sirefef.AC infections


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