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:

Manual removal instructions:

What is SYSHOSTSIHOST.EXE?

Tech support scams are an industry-wide issue where scammers trick you into paying for unnecessary technical support services. You can help protect yourself from scammers by verifying that the contact is a Microsoft Agent or Microsoft Employee and that the phone number is an official Microsoft global customer service number. This service used lot of disk usage but not make my laptop slow. I just wondering why does sysmain use so much disk usage? Is it fine to turn it off? What advantages and disadvantages if i turn it on and turn it off?

SYSHOSTSIHOST.EXE is a pretty popular virus.

The Operating System Layer. Using the SysHost test mapped to it (see Figure 1), this layer monitors the CPU and memory utilization of the Juniper DX device. Figure 1: The test associated with the Operating System layer. POMeSYS-Host, previously known as MyOnlineBakery-Host, is a cloud-based order-entry management application designed for wholesale businesses with the bakery industry in mind. The platform has four main components: wholesale order entry, accounts receivable, inventory costing and control, and vendor purchase orders.

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?

1. 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.
2. UnHackMe is quite fast! You need only 5 minutes to check your PC.
3. 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.
4. UnHackMe is small and compatible with any antivirus.
5. 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.

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.

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.

Host Sysmain

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.

Syshost Main Diner

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!

Syshost Main Pub

Recommended: UnHackMe anti-rootkit and anti-malware
Premium software: RegRun Security Suite (Good choice for removal and protection)