Is your computer infected with Trojan Win32/sirefef.ev? Are you looking for any removal tool to delete it after your anti-virus fails? Check this post out. This step-by-step guide can help you safely and quickly remove Trojan Win32/sirefef.ev . If you have any problem during the removal process, please contact Tee Support agents 24/7 online for more detailed instructions.

How Dangerous is Trojan Win32/sirefef.ev?

Trojan Win32/sirefef.ev is a highly dangerous Trojan variant that comes from the big t Trojan:Win32/Sirefef family. The similar variants that are popular over Internet and bothering people are such as Trojan:Win32/Sirefef.AM, Trojan:Win32/Sirefef. AG, Trojan:Win32/Sirefef.S, Trojan:Win32/Sirefef.AH, Trojan:Win32/Sirefef.AB, Trojan:Win32/Sirefef.Y, Trojan:Win32/Sirefef.O, Trojan:Win32/Sirefef.W, etc. TrojanWin32/sirefef.ev can bring damage to computer system and data security. Infected computer may be disconnected from Internet and will shut down every few minutes, which stops you form removing the Trojan by installing some removal tool or spyware programs. What is horrible, TrojanWin32/sirefef.ev may come bundled with other malwares, Trojans, worms or bugs, which will definitely make the system more and more compromised. If the Trojan endeavors to access your system kernel and infect the MBR, you will lose access to the system. Besides, unauthorized remote access may be opened for attackers to upload and activates further malware on the system, thus leaving your system and data unprotected and risky. In a word, it is a huge threat that you are advised to remove it as soon as possible.

Trojan Win32/sirefef.ev is a Threatening Trojan horse by Impressions

  1. Trojan Win32/sirefef.ev is a dangerous Trojan
  2. Trojan Win32/sirefef.ev comes bundled with other malware
  3. Trojan Win32/sirefef.ev can pop up numerous annoying advertisements
  4. Trojan Win32/sirefef.ev may communicate with remote hacker and send out information
  5. Trojan Win32/sirefef.ev is able to drop additional virus
  6. Trojan Win32/sirefef.ev can seriously damage the compromised system
  7. Trojan Win32/sirefef.ev violates your privacy and steals confidential information

Possible sources to get infected with viruses

Computer viruses are really annoying and can sneak on your computer without any consent. The best way to avoid viruses is to keep away from the viruses sources and get an up to date antivirus and antispyware software. Though for some nasty viruses, anti-viruses may fail to pick it up and you have to turn to manual removal, at least you get a warming alert to tell that you are infected. Here are some possible sources.
1. P2P network. Since it is a network for people to share files, you may be infected when sharing some infected files.
2. Free files or programs download. Don’t download unknown “free” software. Free software for downloading is usually a lure used by hackers, which you may be infected with spyware, bugs, worms, or any other viruses.
3. Corrupted Websites.You can be infected with viruses while browsing websites that are planted with virus codes. Avoid opening unknown email attachments. It is greatly possible that some viruses are bundled with the attachments.
4. Strange files and spam links.Strange files or files from unreliable sources with .bat, .exe, .msi, .ocx or .vbs endings may contain Trojans.

Trojan Win32/sirefef.ev Manual Removal Guide:

Generally speaking, most computer users can simply delete Trojan Win32/sirefef.ev or other threats with a virus removal tool. However, the automated virus removal won’t be performed if Trojan Win32/sirefef.ev pops up and blocks off your internet, which disables you from getting into a browser and doing anything on your screen. It is a very good concept to get rid of Trojan Win32/sirefef.ev manually rather than wasting time and energy to pick it up

Step1. Press CTRL+ALT+DELETE to open the Windows Task Manager. Then stop all infected processes.

Step2. Click Start button and select Run. Type regedit into the box and click OK to proceed. Once the Registry Editor is open, search for the registry entries and selects Delete.

Step4. Search for files and delete them manually.

The associated files and registry entries of Trojan Win32.agent.adb that need to be removed are listed as follows:

%CommonAppData%\<random characters>
%CommonAppData%\<random characters>\<random characters>
%CommonAppData%\<random characters>\<random characters>.exe
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System "DisableRegedit" = 0
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System "DisableRegistryTools" = 0
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System "DisableTaskMgr" = 0
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "Inspector"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Settings "net" = 2012-3-1_2
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Settings "UID" = "fneqtdmtpi"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ashCnsnt.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avxmonitor9x.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fnrb32.exe

Read more how to delete Trojan Win32/sirefef.ev registry entries


This tricky Trojan can use random file names in same system directories and sometimes its mutating versions may even change the directories slightly. If you cannot remove the malware Trojan Win32/sirefef.ev completely by yourself, please contact online experts to get professional tech support.

VN:F [1.9.18_1163]
Rating: 0.0/10 (0 votes cast)
Bookmark and Share

Get a Safer, Cleaner & Faster PC!

A good spyware remover can safeguard your computer at real-time automatically.

  • Terminate latest, stubborn virus/spyware
  • Safe, effective and complete
  • Fix various PC problems

So, pick one of your favorite to protect your system easily.

Malwarebytes Anti-Malware

Download | Review

Malwarebytes is one of the most popular and widely used anti-virus and malware-removal software applications for both home and corporate computer users alike.


Download | Review

SpyHunter is a powerful, real-time anti-spyware application designed to assist computer users in protecting their PC from trojans, rootkits and others.