The colhost.exe malware tells the owners of the infected PCs nothing about own presence and says undetected if computer does not have anti-malware scanner. However, after a while users understand that it is impossible to play a game or run a program normally. The thing is that to haunt Bitcoin, Monero, Electroneum and other popular digital currencies Trojan needs computer capacity.
The colhost.exe malware has been developed with malicious purposes that work in favor of hackers. This malicious software steals more than 70% of CPU power to disrupt cryptocurrency. Pay close attention to the work of your computer, if you notice some changes, it is probably the right time to scan the system.
Malicious software like colhost.exe starts stealing a lot of the CPU’s power and may exhaust resources of the PC abnormally. Computer game players are not able to play favourite games stuttering and freezing all the time due to the colhost.exe Trojan spending computer’s power. So, be alert if it heats your computer. Pay attention to changes of the CPU efficiency, and use an effective anti-malware app to scan the system regularly.
The colhost.exe Trojan is presented on your PC if:
- General slowness of the computer.
- CPU and graphics cards lose their energy.
- You hear unexpected sounds reproduced in random order.
- Mouse does not move for several minutes.
colhost.exe automatic removal guide
If something went wrong or you just want to see the fast result, please use the help of professional malware eliminator – GridinSoft Anti-Malwre. Moreover, even you have managed to remove colhost.exe from your computer and browser, we recommend you to download this tool and use it as a free antimalware scanner to see whether any other malicious program has penetrated into your system. Please note, that GridinSoft Anti-Malwre is a shareware program with a 15-days trial period with limitation of the threats number. If it find more than two infected items in your system, they can be removed only when you upgrade the program to the full registred version.
Download free antimalware scanner:
After downloading is completed, please install it and run the full scan. Yeah, it will take a time, but security experts always recommend to choose a full scan as your first scan, especially if you suspect that your PC could be infected. Take a look at the screenshots below: it will help you understand what’s going on.
Step 1. Run a full scan of your system
…and go drink coffee until the end of it! 🙂
At the end of the scan, the program will offer you to move all malicious items to the quarantine. Just do it clicking on the “
Step 2. Reset your browser settings using an appropriate tool:
Check all browser boxes, which might be infected with the colhost.exe, on a settings tab:
Then just press the “Reset” button. Voila! It is a good idea to restart your computer after all this manipulation and check if these annoying colhost.exe pop-up ads leave you in peace:
colhost.exe manual removal steps:
Step 1. Delete colhost.exe from the system.
To delete colhost.exe extension from your PC, you should use “Uninstall the program” tool depending on your operation system.
Windows XP: Start —> Control Panel ––> Add/Remove Programs. Choose the colhost.exe extension in the list of installed programs by a right-click and press “Remove”.
Windows 7: Start ––> Control Panel ––> Uninstall a program. Just the same actions: right-click on the colhost.exe extension in a software list and press “Uninstall”.
Windows 8/8.1: Right-click on Start ––> Quick Access Menu ––> Control Panel ––> Uninstall a program. Choose a colhost.exe extension among a listed here programs, right-click on it and then press “Uninstall”.
Step 2. Reset your browser settings.
It is necessary to reset browser settings after the deletion of the program from the list of software installed on your PC. For this, use the following tips depending on what browser are you currently using:
- Google Chrome Browser: Settings —> Show advanced settings. Click on “Reset settings” in the bottom of the page.
- Mozilla Firefox: press “Refresh Firefox” button in the right top corner.
- Opera: delete “Operapref.ini file” in folder “C:\Users\user_name\AppData\Roaming\Opera\Opera\” on your computer.
- Internet Explorer: Tools —> Internet options —> click on the “Advanced” button and then press “Reset”.
Step 3. Celebrate your victory!
Either you choose the manual or the automatic removal solution, congratulations! You won this battle with unfair malware developers. Your computer is clean now, so you should be proud and do something nice for yourself as a gift. Foam bath or tickets for the game? It’s up to you! 😉