Home » EXE-O » How to Detect and Remove opffltnt.sys Within Minutes

Antivirus program displays a warning telling you that your computer has been infected with a dangerous virus which has a strange name called opffltnt.sys? You may think that this is not a big problem, but you gradually know that the virus is very troublesome because it is able to regenerate again and again? What can it do in the computer? Is there a good method to delete it without prejudice to the computer?

opffltnt.sys Information:

  • FileDescription: Omniquad Personal Firewall Driver for Windows NT 4.0
  • LegalCopyright: Copyright 2003 Omniquad Corporation
  • ProductName: -
  • ProductVersion: 1, 2, 1781, 0
  • Company: Omniquad
  • FileMd5: ec4a4ed21f6d88e63b264f64fe454af0
  • FileVersion: 1, 2, 1781, 0
  • Memos: -
  • Download opffltnt.sys fix tool
  • 89100880

Brief Introduction to This Trojan

opffltnt.sys is a Trojan infection released by cyber criminals who want to use this infection to achieve some malicious purposes. It is small size virus but can make destructive damages to the infection machines. Computers with Windows OS, like XP, Vista, 7 and 8 can be the main targets for it to invade. Hackers who hold this Trojan can use the Internet to be the main cover for this Trojan to spread. Many websites can be hacked, once those websites servers have been controlled by cyber hackers, those servers can be implanted by this Trojan infection, which mean when PC users come to visit the infected websites, this Trojan can play as a cache file of the infected websites for visiting computers to download. Also, when people click on some unknown links, it can infiltrate to target computers once the malicious links are opened.

There are many kinds of computer software for people to use, so the free computer application can also be used for cyber criminals to embed this Trojan and spread to more victims all over the world. The whole invasion process cannot be detected as it will come to target computers during the installation process of the freeware. Trojan infection is a virus, so there is no doubt that many anti-virus programs can detect it once the computer system has been infected. However, if this Trojan is detected on a computer, it also means the computer system has already been infected severely, or put another way, this Trojan has infected the system totally by corrupting the system files and modifying the windows registry. Also the anti-virus tool can be disabled, the Trojan will not allow the protection tool to update the virus library to the latest version, in this way, the security tool will lose the ability to remove this Trojan, and that is what this Trojan does to stay longer on the infected computer.

The opffltnt.sys can turn off the system firewall as well. With a low security level, many other computer viruses and Trojans will come which can make further damage to the infected machine. The infected computer will get an abnormal performance. Black screen and blue screen of death can happen frequently and suddenly during the use. It can take a long time to boot up the infected computer and run programs. What’s worse, this Trojan is able to help cyber hackers to connect the infected computer remotely and secretly. Once the illegal connection has been established, everything on the infected computer can be leaked out.

Consequences of opffltnt.sys Attack

Slow down computer speed
Abrupt shut down of system
Occurrence of annoying error messages and security alerts
Slow Internet connection
Hijack Internet explorer
Deny security websites
Transfer browsing history to remote website
Changes system settings
Alters homepage settings
Modify or delete important system files
Increases the chances of data theft
Deactivates Windows security updates, error reporting service and Firewall

In this way this backdoor Trojans allow hackers to perform remote access on your computer and fulfill their purpose. So, remove opffltnt.sys as early as possible to protect your system from cyber criminals.

How to remove opffltnt.sys manually?

To remove the Trojan manually, you need to clean up all traces made by the Trojan horse. opffltnt.sys manual removal way requires some time and skills and it is necessary to exactly follow every step.

1. Run Task Manager and stop the process,If you encounter problem, enter Safe Mode

2. Click start menu and go to run. Type in Regedit and press Enter to open registry editor. Remove the registry entries created by the virus.

3. Remove the file and folder of the virus

Notes: No matter which step you fail to complete, move forward and run your antivirus program at the end. Sometimes, antivirus program could effectively detect and remove the virus when part of the Trojan is corrupted manually.

Method: Remove opffltnt.sys Automatically with Removal Tool SpyHunter

Step 1: Click on the button below to download SpyHunter on your PC.

Step 2: After you finish the installation, run the program to perform a full scan of your PC to find out the threat by clicking on the Malware scan button.

Step 3: When the scan finishes, check the scan result and then click the Remove button to remove all the detected threats from your computer automatically. Reboot your computer to apply all changes.

Guide to remove opffltnt.sys completely with SpyHunter.

Step one: Download SpyHunter by clicking the button below:

Step two: Click on Download, and then follow the installation process of SpyHunter step by step.

1. In the showing box, click Run.
2. Click: I accept the license agreement, and then press Next.
3. Wait for a while to install the applications.
4. Click Finish.
5. After installation, you can click Yes to restart your computer to make SpyHunter effect, or press No, if you’d like to restart it later manually.

Step three:scan and delete every threats caused by opffltnt.sys virus.

1. To do a full scanning with SpyHunter to find out every threats in your computer.

2. After that, you need to select every detected threats about opffltnt.sys virus and remove them all.

opffltnt.sys may need a lot of system storage space. And computer performance depends on spare storage space. thus less system storage space would greatly slow down the system performance, including the slower computer startup and shutdown speed and program running speed. It would also change computer settings to allow the malicious program automatically startup with windows system so that you cannot delete it or stop it in control panel. It can also disable other system programs by modifying the registry. In addition, the virus may help other PC threatens invade your system and make more and more loopholes. If you want to protect your computer, you need to remove it as soon as possible

opffltnt.sys is located in:

  • c:\documents and settings\administrateur\local settings\temp\pavtmp\opffltnt.sys
  • c:\windows.0\usbdevice\opffltnt.sys
  • c:\users\dre\desktop\opffltnt.sys

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