The Trojan:Win32/sirefref!crg is a malicious computer virus that belongs to the Trojan infections. Once this tricky virus enters into the computer without the knowledge of the user, it can harm your computer as well as data in a way that it will become useless. This malicious application is designed in a way that it takes the complete control of your system by changing the browser settings, DNS settings, and security settings of the computer. This extremely dangerous virus also degrades the speed as well as overall performance of the system. When you try to search or open any website, you will be redirected to some unknown place. The hackers use this infection for a variety of illicit means such as generating traffic on the unknown affiliate websites, make commission by promoting the affiliate products, and steal the money of the user by accessing the financial information stored in the PC. Once your computer becomes the victim of this lethal Trojan infection, you are unable to perform any task on the computer.

The Manual Removal of Trojan:Win32/sirefref!crg

After knowing that the system is compromised to the Trojan:Win32/sirefref!crg, the main objective for you is find an effective method to remove this virus completely. The manual removal of this malicious application is not easy as it involves several complicated steps that are mentioned below:-

Start the System in Safe Mode

Prior to going through the manual removal process, you have to terminate the normal mode of the computer. While the computer is restarted, use the F8 button repeatedly to see the boot option menu. Select the safe mode and press the enter key to restart the system in the safe mode.

Kill the Associated Processes

Once you start your system in the safe mode successfully you have to delete the process related to this virus. These malicious processes are available under the processes tab in the windows task manager which can be accessed through Ctrl+Alt+Delete keys. Following are some of the malicious processes that are required to be deleted by selecting the process one by one and using the “End Process” button. These processes are related to this Trojan infection:-


Delete the Associated Files

The next step of this process is the removal of the associated data. In this regard you have to remove the following suspicious files from system files folder

  • %Desktopdir%\Trojan:Win32/sirefref!crg.lnk
  • %Programs%\Trojan:Win32/sirefref!crg\Trojan:Win32/sirefref!crg.lnk

Reverse the Modification in the Windows Registry

In order to clean the windows registry from the corrupt entries added by the Trojan:Win32/sirefref!crg. This can be done with the help of registry editor which can be accessed by clicking on the start menu, select run, and type regedit in the box. Once you are able to see the task manager, you have to remove the following entries quickly and close the registry editor:-

  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Trojan:Win32/sirefref!crg\DisplayIcon %AppData%\[RANDOM CHARACTERS]\[RANDOM CHARACTERS].exe,0
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Trojan:Win32/sirefref!crg
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Trojan:Win32/sirefref!crg\UninstallString “%AppData%[RANDOM CHARACTERS][RANDOM CHARACTERS].exe” -u
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce\[RANDOM CHARACTERS] %AppData%\[RANDOM CHARACTERS]\[RANDOM CHARACTERS].exe
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Trojan:Win32/sirefref!crg\ShortcutPath “%AppData%\[RANDOM CHARACTERS]\[RANDOM CHARACTERS].exe” -u
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Trojan:Win32/sirefref!crg\DisplayName Trojan:Win32/sirefref!crg




How to Remove Trojan:Win32/sirefref!crg ?
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