I will tell you in this post how to fix the issue manually and how to clean it automatically using a special powerful removal tool. You can download the removal program for free here: 
Many Windows users have suffered from a problem where up to 95% of their CPU or/and Disk have been used by a process known as System Host: Local System (Network Restricted).
- Manual Removal Guide for Win32.Agent.ik The following instructions have been created to help you to get rid of 'Win32.Agent.ik' manually. Use this guide at your own risk; software should usually be better suited to remove malware, since it is able to look deeper.
- Syshost.exe removal instructions The instructions below shows how to remove syshost.exe with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the syshost.exe file for removal, restart your computer and scan it again to verify that syshost.exe has been successfully removed.
Manual removal instructions:
What is SYSHOSTSIHOST.EXE?
SYSHOSTSIHOST.EXE is a pretty popular virus.SYSHOSTSIHOST.EXE detected as TROJ.SIHOST.
You can get it on your computer while downloading it bundled with some free software.
Sadly, most free downloads do not disclose that other programs will be installed, so you are more likely to get SYSHOSTSIHOST.EXE on your PC without your own knowledge.
After being downloaded, SYSHOSTSIHOST.EXE hijacks your browser and changes search settings.
SYSHOSTSIHOST.EXE also causes an appearance of popup ads and browser redirecting.
SYSHOSTSIHOST.EXE is very annoying and hard to get rid of.
Technical Information:
- Full path on a computer= %APPDATA%SYSHOSTSIHOST.EXE
You have 2 ways to remove SYSHOSTSIHOST.EXE:
Why I recommend you to use an automatic way?
- You know only one virus name: 'SYSHOSTSIHOST.EXE', but usually you have infected by a bunch of viruses.
The UnHackMe program detects this threat and all others. - UnHackMe is quite fast! You need only 5 minutes to check your PC.
- UnHackMe uses the special features to remove hard in removal viruses. If you remove a virus manually, it can prevent deleting using a self-protecting module. If you even delete the virus, it may recreate himself by a stealthy module.
- UnHackMe is small and compatible with any antivirus.
- UnHackMe is fully free for 30-days!
Here’s how to remove SYSHOSTSIHOST.EXE virus automatically:
So it was much easier to fix such problem automatically, wasn't it?
That is why I strongly advise you to use UnHackMe for remove SYSHOSTSIHOST.EXE redirect or other unwanted software.
Syshost Removal Products
How to remove SYSHOSTSIHOST.EXE manually:
STEP 1: Check all shortcuts of your browsers on your desktop, taskbar and in the Start menu. Right click on your shortcut and change it's properties.
You can see SYSHOSTSIHOST.EXE or another web site at the end of shortcut target (command line). Remove it and save changes.
In addition, check this command line for fake browser's trick.
For example, if a shortcut points to Google Chrome, it must have the path:
C:Program Files (x86)GoogleChromeApplicationchrome.exe.
Fake browser may be: …AppdataRoamingHPReyosReyosStarter3.exe.
Also the file name may be: “chromium.exe” instead of chrome.exe.
STEP 2: Investigate the list of installed programs and uninstall all unknown recently installed programs.
STEP 3: Open Task Manager and close all processes, related to SYSHOSTSIHOST.EXE in their description. Discover the directories where such processes start. Search for random or strange file names.
Remove SYSHOSTSIHOST.EXE virus from running processes
STEP 4: Inspect the Windows services. Press Win+R, type in: services.msc and press OK.
Syshost Removal Skin Tags
Remove SYSHOSTSIHOST.EXE virus from Windows services
Disable the services with random names or contains SYSHOSTSIHOST.EXE in it's name or description.
STEP 5: After that press Win+R, type in: taskschd.msc and press OK to open Windows Task Scheduler.
Delete any task related to SYSHOSTSIHOST.EXE. Disable unknown tasks with random names.
STEP 6: Clear the Windows registry from SYSHOSTSIHOST.EXE virus.
Press Win+R, type in: regedit.exe and press OK.
Remove SYSHOSTSIHOST.EXE virus from Windows registry
Find and delete all keys/values contains SYSHOSTSIHOST.EXE.
STEP 7: Remove SYSHOSTSIHOST.EXE from Google Chrome.
STEP 8: Remove SYSHOSTSIHOST.EXE from Internet Explorer.
STEP 9: Remove SYSHOSTSIHOST.EXE from Mozilla Firefox.
Change Firefox Home Page
STEP 10: And at the end, clear your basket, temporal files, browser's cache.
But if you miss any of these steps and only one part of virus remains – it will come back again immediately or after reboot.
Remove it now! Recommended: UnHackMe anti-rootkit and anti-malware
Premium software: RegRun Security Suite (Good choice for removal and protection)
Necurs Removal Tool This is a helpful tool to remove Trojan.Necurs infection.This tools includes the fixes for the following issues:
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| Operating Systems | : | Windows XP, Windows Vista and Windows 7 | |
| System Type | : | 32-bit / 64-bit | |
| Steps | : | Following are the step to install the tool:
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| Released Date | : | July 2012 | |
| 32 Bit System | : | ||
| 64 Bit System | : | ||
Quick Heal Update Manager for v19.00 Product Series Quick Heal Update Manager is a tool that downloads updates for Quick Heal products (Quick Heal AntiVirus Pro v19.00, Quick Heal Internet Security v19.00, Quick Heal Total Security v19.00, Quick Heal IS Essentials v19.00. This tool facilitates the download of updates automatically from the Internet at regular intervals. The Update Manager tool manages centralized download of updates, working as an ideal solution for small or medium-sized networks that have Quick Heal installed on their clients. The updates of all Quick Heal products are downloaded on a single machine at a specific location, and this location is used by all the workstations in the network to fetch updates for their respective Quick Heal product. | |||
| Platforms | : | Windows 10/ Windows 8.1/ Windows 8/ Windows 7/ Windows 2012 R2/ Windows 2012/ Windows 2008/ Windows 2003/ Windows Vista/ Windows XP/ Windows 2000 (32-bit platform and 64-bit platforms). | |
| Version | : | 9.81 | |
| Released Date | : | May 2020 | |
Quick Heal Update Manager for v18.00 Product Series Quick Heal Update Manager is a tool that downloads updates for Quick Heal products (Quick Heal AntiVirus Pro v18.00, Quick Heal Internet Security v18.00, Quick Heal Total Security v18.00, Quick Heal IS Essentials v18.00, Quick Heal AntiVirus for Server v18.00, and Guardian NetSecure v18.00). This tool facilitates the download of updates automatically from the Internet at regular intervals. The Update Manager tool manages centralized download of updates, working as an ideal solution for small or medium-sized networks that have Quick Heal installed on their clients. The updates of all Quick Heal products are downloaded on a single machine at a specific location, and this location is used by all the workstations in the network to fetch updates for their respective Quick Heal product. | |||
| Platforms | : | Windows 10/ Windows 8.1/ Windows 8/ Windows 7/ Windows Vista/ Windows XP (32-bit platform and 64-bit platforms). | |
| Version | : | 8.82 | |
| Released Date | : | Oct 2019 | |
Quick Heal Update Manager for v17.00 Product Series Quick Heal Update Manager is a tool that downloads updates for Quick Heal products (Quick Heal AntiVirus Pro v17.00, Quick Heal Internet Security v17.00, Quick Heal Total Security v17.00, Quick Heal IS Essentials v17.00, Quick Heal AntiVirus for Server v17.00, and Guardian NetSecure v17.00). This tool facilitates the download of updates automatically from the Internet at regular intervals. The Update Manager tool manages centralized download of updates, working as an ideal solution for small or medium-sized networks that have Quick Heal installed on their clients. The updates of all Quick Heal products are downloaded on a single machine at a specific location, and this location is used by all the workstations in the network to fetch updates for their respective Quick Heal product. | |||
| Platforms | : | Windows 10/ Windows 8.1/ Windows 8/ Windows 7/ Windows 2012 R2/ Windows 2012/ Windows 2008/ Windows 2003/ Windows Vista/ Windows XP/ Windows 2000 (32-bit platform and 64-bit platforms). | |
| Version | : | 7.83 | |
| Released Date | : | May 2016 | |
Quick Heal Update Manager for 16.00 Product Series Quick Heal Update Manager is a tool that downloads the updates for all Quick Heal products (Quick Heal IS Essential 16.00, Quick Heal AntiVirus Pro 16.00, Quick Heal AntiVirus for Server, Quick Heal Internet Security 16.00, Quick Heal Total Security 16.00 and Guardian Antivirus 16.00). This tool facilitates download of updates automatically from the Internet at regular intervals. This tool manages centralized download of updates, making it an ideal solution for Small or Medium sized networks that has Quick Heal installed on the clients. The updates of all Quick Heal products will be downloaded on a single machine to a specific location, and this location will be used by all the workstations in the network to fetch updates for their respective Quick Heal product. | |||
| Platforms | : | Windows 2012 R2/Windows 8.1/Windows 2012/Windows 8/Windows 2008 R2/Windows 7/Windows 2008/Windows Vista/Windows 2003/Windows XP/Windows 2000 (32-bit and 64-bit platforms). | |
| Version | : | 6.83 | |
| Released Date | : | September 2014 | |
Quick Heal Update Manager for 2014 (15.00) Product Series Quick Heal Update Manager is a tool that downloads the updates for all Quick Heal products (Quick Heal AntiVirus Pro 2014 (15.00), Quick Heal AntiVirus for Server, Quick Heal Internet Security 2014 (15.00) and Quick Heal Total Security 2014 (15.00)). This tool facilitates download of updates automatically from the Internet at regular intervals. This tool manages centralized download of updates, making it an ideal solution for Small or Medium sized networks that has Quick Heal installed on the clients. The updates of all Quick Heal products will be downloaded on a single machine to a specific location, and this location will be used by all the workstations in the network to fetch updates for their respective Quick Heal product. | |||
| Platforms | : | Windows 2012 R2/Windows 8.1/Windows 2012/Windows 8/Windows 2008 R2/Windows 7/Windows 2008/Windows Vista/Windows 2003/Windows XP/Windows 2000 (32-bit and 64-bit platforms). | |
| Version | : | 5.81 | |
| Released Date | : | November 2013 | |
Quick Heal Update Manager for 2013 (14.00) Product Series Quick Heal Update Manager is a tool that downloads the updates for all Quick Heal products (Quick Heal AntiVirus Pro 2013 (14.00), Quick Heal AntiVirus for Server, Quick Heal Internet Security 2013 (14.00) and Quick Heal Total Security 2013 (14.00)). This tool facilitates download of updates automatically from the Internet at regular intervals. This tool manages centralized download of updates, making it an ideal solution for Small or Medium sized networks that has Quick Heal installed on the clients. The updates of all Quick Heal products will be downloaded on a single machine to a specific location, and this location will be used by all the workstations in the network to fetch updates for their respective Quick Heal product. | |||
| Platforms | : | Windows 8/Windows 2008 R2/Windows 7/Windows 2008/Windows Vista/Windows 2003/Windows XP/Windows 2000 (32-bit and 64-bit platforms). | |
| Version | : | 4.57 | |
| Released Date | : | September 2012 | |
Quick Heal Update Manager for 2012 (13.00) Product Series Quick Heal Update Manager is a tool that downloads the updates for all Quick Heal products (Quick Heal AntiVirus Pro 2012 (13.00), Quick Heal AntiVirus for Server, Quick Heal Internet Security 2012 (13.00) and Quick Heal Total Security 2012 (13.00)). This tool facilitates download of updates automatically from the Internet at regular intervals. This tool manages centralized download of updates, making it an ideal solution for Small or Medium sized networks that has Quick Heal installed on the clients. The updates of all Quick Heal products will be downloaded on a single machine to a specific location, and this location will be used by all the workstations in the network to fetch updates for their respective Quick Heal product. | |||
| Platforms | : | Windows 8/Windows 2008 R2/Windows 7/Windows 2008/Windows Vista/Windows 2003/Windows XP/Windows 2000 (32-bit and 64-bit platforms). | |
| Version | : | 4.56 | |
| Released Date | : | August 2011 | |
Quick Heal Update Manager for 2011 (12.00) Product Series Quick Heal Update Manager is a tool that downloads the updates for all Quick Heal products(Quick Heal AntiVirus Pro 2011 (12.00), Quick Heal AntiVirus for Server, Quick Heal Internet Security 2011 (12.00) and Quick Heal Total Security 2011 (12.00)). This tool facilitates download of updates automatically from the Internet at regular intervals. This tool manages centralized download of updates, making it an ideal solution for Small or Medium sized networks that has Quick Heal installed on the clients. The updates of all Quick Heal products will be downloaded on a single machine to a specific location, and this location will be used by all the workstations in the network to fetch updates for their respective Quick Heal product. | |||
| Platforms | : | Windows 8/Windows 2008 R2/Windows 7/Windows 2008/Windows Vista/Windows 2003/Windows XP/Windows 2000 (32-bit and 64-bit platforms). | |
| Version | : | 4.55 | |
| Released Date | : | March 2011 | |
Quick Heal Update Manager for Quick Heal Endpoint Security 5.2 Quick Heal Update Manager is provided in case the Server that hosts Quick Heal Endpoint Security does not have Internet connection due to security concerns. In such a scenario, users need to install Quick Heal Update Manager on a machine that is connected to the Internet. The machine with Quick Heal Update Manager installed will download the updates. The locations where the updates are downloaded have to be turned into a website by the Administrator using IIS or Apache server. The URL of the created website and Port number can be used by Quick Heal Update Manager on the server to fetch the updates from this machine. The clients in the network, in turn, will fetch the updates from the server. Quick Heal Update Manager can also be used as an alternate update manager for Quick Heal Endpoint Security clients. | |||
| Platforms | : | Windows 8/Windows 2008 R2/Windows 7/Windows 2008/Windows Vista/Windows 2003/Windows XP/Windows 2000 (32-bit and 64-bit platforms). | |
| Version | : | 5.52 | |
| Released Date | : | 6 August 2013 | |
| 32 Bit System | : | ||
| 64 Bit System | : | ||
Quick Heal Update Manager for Quick Heal Endpoint Security 5.3 Quick Heal Update Manager is provided in case the Server that hosts Quick Heal Endpoint Security does not have Internet connection due to security concerns. In such a scenario, users need to install Quick Heal Update Manager on a machine that is connected to the Internet. The machine with Quick Heal Update Manager installed will download the updates. The locations where the updates are downloaded have to be turned into a website by the Administrator using IIS or Apache server. The URL of the created website and Port number can be used by Quick Heal Update Manager on the server to fetch the updates from this machine. The clients in the network, in turn, will fetch the updates from the server. Quick Heal Update Manager can also be used as an alternate update manager for Quick Heal Endpoint Security clients. | |||
| Platforms | : | Windows 2012 R2/Windows 8.1/Windows 2012/Windows 8/Windows 2008 R2/Windows 7/Windows 2008/Windows Vista/Windows 2003/Windows XP/Windows 2000 (32-bit and 64-bit platforms). | |
| Version | : | 5.53 | |
| Released Date | : | 17 January 2014 | |
Quick Heal Update Manager for Quick Heal Endpoint Security 6.0 Quick Heal Update Manager is provided in case the Server that hosts Quick Heal Endpoint Security does not have Internet connection due to security concerns. In such a scenario, users need to install Quick Heal Update Manager on a machine that is connected to the Internet. The machine with Quick Heal Update Manager installed will download the updates. The locations where the updates are downloaded have to be turned into a website by the Administrator using IIS or Apache server. The URL of the created website and Port number can be used by Quick Heal Update Manager on the server to fetch the updates from this machine. The clients in the network, in turn, will fetch the updates from the server. Quick Heal Update Manager can also be used as an alternate update manager for Quick Heal Endpoint Security clients. | |||
| Platforms | : | Windows 2012 R2/Windows 8.1/Windows 2012/Windows 8/Windows 2008 R2/Windows 7/Windows 2008/Windows Vista/Windows 2003/Windows XP/Windows 2000 (32-bit and 64-bit platforms). | |
| Version | : | 6.50 | |
| Released Date | : | 6 Oct 2014 | |
Quick Heal Emergency Response Team has developed tools to remove infection of some special viruses during the virus outbreaks. These tools have been designed to remove the infection of various viruses mention below. | |||||||||||||||||||||||||
If you are using Quick Heal Anti-Virus and if Quick Heal installation files are infected, then with the help of below tools remove the virus and after that you must reinstall Quick Heal. | |||||||||||||||||||||||||
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