Delete Trojan Downloader:O97M/Donoff – Trojan Horse Removal Guide

Details about Trojan Downloader:O97M/Donoff

Trojan Downloader:O97M/Donoff is classified as an extremely terrible Trojan horse which contains malicious code that can infect your computer without your knowledge. When executed, it is capable of conducting a series of destructive activities in your computer and finally crashing the computer itself down.

Generally, this Trojan infection comes into your computer via many ways, for instance, from spam emails that contain malicious attachments, or intrusive websites that are spammed with links to adult video. It also presents itself as a useful, routine or interesting program in order to persuade you to download and install it on your computer.

After it is downloaded, this infection will firstly create a couple of folders under Application Data folder so that you cannot find its files easily. Then it will drop several malicious rootkits into your operating system, and those rootkits can give your system false commands or instructions. If the operating system receives the wrong commands and follows its instructions to run, some programs on your computer will run in disorder or even cannot operate anymore.

Moreover, the Trojan infection sets a backdoor for its servers so that they can have the unauthorized access to your computer and is able to spy on the infected computer, cause leak or theft of data, download and install rogue programs.

Furthermore, this infection is able to detect and make use of the security loopholes in your system to download more malicious infections like malware, spyware, ransomware, rogueware and worms to badly destroy your computer.

While being attacked by this Trojan horse for a long time, your computer will take a long time to turn on and shut down, frequently get the blue or black screen of death, and even suddenly crash down.

In conclusion, this Trojan Downloader:O97M/Donoff is a malicious and aggressive Trojan horse which can terribly mess up your computer operating system and finally crash the computer itself down. You’d better delete Trojan Downloader:O97M/Donoff Trojan horse infection as soon as possible once it is found before causing more damages.

Removal Guide for Trojan Downloader:O97M/Donoff

A. Delete Trojan Downloader:O97M/Donoff Manually

Step 1. Reboot your computer into Safe Mode with Networking

Restart your computer and keep pressing F8 key until Windows Advanced Options Menu shows up, then using arrow key to select Safe Mode with Networking from the list and press Enter to get into that mode.

Step 2. End suspicious processes

Press Ctrl+Alt+Del keys together to launch Window Task Manager, then end the suspicious processes.

Step 3. Delete associated files

%UserProfile%\Programs\AppData\[Random Charateristc].exe
%UserProfile%\Programs\Temp\[Random Charateristc].dll
%UserProfile%\Programs\AppData\roaming\[Random Charateristc].dll

Step 4. Delete associated registry entries

Hit Win+R keys and then type regedit in Run box and click on OK to open Registry Editor.

When the Registry Editor shows, find out and delete the below files.

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run""= "%AppData%\.exe"
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run""= "%AppData%\.exe"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Associations "LowRiskFileTypes"="random;"

Note: When you apply this manual removal guide, you need to be very careful about each step. One mistake would delete the important system file. Therefore, be careful. 


B. EDelete Trojan Downloader:O97M/Donoff Automatically with SpyHUnter

Step 1. Download SpyHunter, then double click on it to install the program.

Step 2. Tick mark on Quick Scan, and then click on Scan Computer Now!

Step 3. When the scan has been done, click on Fix Threats.

Note: For the people who are not familiar with computer knowledge, the automatic removal is much more easier than the manual one. It is recommended to use SpyHunter when you face any malicious virus, it will remove it completely. Click here to download SpyHunter freely.


C. Uninstall Unwanted Programs Downloaded by Trojan Downloader:O97M/Donoff Automatically with Perfect Uninstaller

Step 1. Download Perfect Uninstaller here, and then install the program step by step.   

Step 2. When the program is correctly installed, click the Finish button to exit Setup. Make sure the Launch Perfect Uninstaller box is check so that the program can be opened automatically.

Step 3. If the program does not open automatically, find its desktop shortcut and double click on it to open the program.  

Step 4. When the program is open, firstly try the Uninstall function. Find Trojan Downloader:O97M/Donoff associated program and then click the Uninstall button to enter the Uninstall Wizard screen. 

Step 5. When the Uninstall Wizard screen is shown, click the Next button to enter the uninstallation process. 

Step 6. If the Uninstall function cannot uninstall Trojan Downloader:O97M/Donoff associated program completely, go to the Force Uninstall function to remove it efficiently and completely. 

Note: If SpyHunter cannot completely remove the programs and files associated with Trojan Downloader:O97M/Donoff, you can use Perfect Uninstaller to help you deal with them. Perfect Uninstaller is an advanced and effective tool which is able to safely completely uninstall any unwanted or corrupt application that other anti-malware program cannot remove, and it also can help you manage your startup items and backup system so that to speed up your computer performance. You can download Perfect Uninstaller here and it will help you uninstall all the unwanted programs in your computer effectively and permanently.