Hey, there. I don’t know what is going on now? My computer kept telling me that a big threat was on my computer. TrojanDownloader:O97M/Daoyap.C was found by my Norton. I was redirecting to some unfamiliar websites. On Google, it is said that this virus can only be cleaned by manual removal. Can anyone help me remove this virus step by step? Thank you very much!
TrojanDownloader:O97M/Daoyap.C has been sorted as a dangerous Trojan horse to attack windows computermainly, expecially the one who uses windows 7, XP, 8, Vista and 10. Once this malicious Trojan gets into your computer, it will conduct harmful activities to damage your system. This virus has the ability to disable your important system files so as to mess up your computer by a large extend, such as DNS settings, browser settings, registry etc. Once installed, this virus may take control your whole computer and then install unwanted stuff on your desktop which you can’t remove unless you get rid of this Trojan completely. It may run itself as well as its related stuff on your computer at your background. As longer time you run the computer, you may find that your computer gets stuck and white screen so frequently. A large part of your system CPU will be occupied by some unknown programs on your task manager. So, if you want to make your computer ran normally as usual, you are suggested to remove this malicious infection from your computer as soon as you can.
From the above paragraph, you had learnt about what TrojanDownloader:O97M/Daoyap.C will do on your compromised computer after its installation. Now we have to move to the ways of the virus’s coming. This vicious Trojan is commonly with being attached to the third application, so that you may not know about it unless you get the warning from the antivirus program. This infection used to infect your computer through downloading freeware, visiting suspicious websites or links, reading or responding spam emails as well as its attachments and installing unsafe programs on your computer. Hence, you must be more cautious when you are online. You should read all the Terms and Agreement carefully before you install an application on your computer. You should think twice when you get a pop-up or ads on your screen while you are on a web. You should be careful when you visit an unknown websites. If your computer gets infected by TrojanDownloader:O97M/Daoyap.C, except manual removal method, no antivirus application can get rid of it completely and permanently.
1. Desktop background image and Browser homepage settings are changed. Google, Yahoo Searches are redirected.
2. It may slow down your computer considerably and you will feel like your computer is stuck. This includes opening programs, shutting down your computer, and slow Internet.
3. It is capable to corrupt your windows registry and uses it to deploy annoying pop up ads out of nowhere. You will get many unwanted pop-ups on your computer.
Note: No matter how the virus accesses your PC, users should know that there are no tools can remove this pesky Trojan automatically at this moment, it is suggested users not spend much time in downloading or paying any security software which claims can delete this stubborn virus. It is totally useless. To completely get rid of TrojanDownloader:O97M/Daoyap.C, professional manual guide is needed.
Currently many computer users had the same experience that this virus couldn’t be removed by any anti-virus applications. So the manual approach is always required to combat this virus. And here is the step-by-step removal guide for all computer users.
1. End the malicious process from Task Manager.
TrojanDownloader:O97M/Daoyap.C is installed,computer user may notice that CPU usage randomly jumps to 100 percent. At any time Windows always has many running processes. A process is an individual task that the computer runs. In general, the more processes, the more work the computer has to do and the slower it will run. If your system’s CPU spike is constant and remain at a constant 90-95%, users should check from Task Manager and see if there is a suspicious process occupying system resources and then end it immediately.
(The name of the virus process can be random.)
Press Ctrl+Shift+Esc to quickly bring up Task Manager Window：
2. Show hidden files and folders.
Open Folder Options by clicking the Start button, clicking Control Panel, clicking Appearance and Personalization, and then clicking Folder Options.
Click the View tab.
Under Advanced settings, click Show hidden files and folders, uncheck Hide protected operating system files (Recommended) and then click OK.
3. Open Registry entries. Find out the malicious files and entries and then delete all.
Attention: Always be sure to back up your PC before making any changes.
a. Press Windows key + R to open Run box. In the “Open” field, type “regedit” and click the “OK” button.
Then a Registry Editor window will pop up as the following picture shows:
b. Search malicious files and registry entries and then remove all of them:
TrojanDownloader:O97M/Daoyap.C is classified to be the member of malicious Trojan family which is created by vicious cyber criminals with the purpose of hacking all kinds of Windows computer users around the world. This computer threat used to be installed (and reinstalled as necessary) by rootkits that include backdoor Trojan capabilities. You may be so confused why you don’t notice that your computer has been hacked by the virus. If you do the research about this Trojan, you may find that this virus exhibits no symptoms of its attacks other than alerts from appropriately-perceptive anti-malware programs. How can this virus get into your computer so secretly? This virus used to get into your computer with the help of spam emails, spam email attachments, suspicious websites, affected pop-ups or links or ads. Once you detected this Trojan on your computer, you should take immediate measures to remove it from your computer clearly.
Published by & last updated on February 6, 2016 6:46 am