This morning my antivirus program detected and removed a Trojan horse named PUP.Optional.BrowseFox.A; however, when I restarted my computer, I still found the signs of this threat. Now my computer has become extremely slow and I almost cannot do anything on it. Is there any computer expert who can help me out?
What Is PUP.Optional.BrowseFox.A?
PC security_1 PUP.Optional.BrowseFox.A is malicious Trojan horse capable of infiltrating the targeted computers without the knowledge of the owners. It is designed by cyber hackers to download various malware to the infected computers. Once this Trojan horse gets installed on your computer, it is not easy for you to detect and remove it out of your computer. The Trojan horse may install rootkits in the system, which helps hide its related malicious processes, files and registration codes, making it very difficult for a common antivirus program to detect its traces in the system. Besides, the Trojan horse will try to disable the antivirus program installed on your computer, so that it can easily download and install other types of malware. PUP.Optional.BrowseFox.A will attempt to monitor your online activities and record your confidential information like usernames, passwords, search terms, IP addresses and so on. Furthermore, it will allow the remote hackers to gain unauthorized access to your computer. The hackers can perform various activities on your computer; for examples: view your personal photos, encrypt your personal files or steal valuable data stored on your computer. Since PUP.Optional.BrowseFox.A is so dangerous, you need to quickly remove it you’re your machine.
Reasons that Lead to the Infection
* You haven’t updated your operating system and the software installed in the system for a long time.
* You don’t install a quality antivirus program or you don’t make it running while you are surfing on the Internet.
* You open malicious attachments when receiving emails from unknown people or your contacts.
* You download and install some software downloaded from untrustworthy sources, and you don’t scan for malware before installing it on your computer.
* You agree to install an optional program which is actually malicious when installing a “reputable” application.
* You browse websites which have been hacked by cyber hackers and unwittingly download malware to your computer when clicking on some hidden download link.
How to Prevent Malware Infection
* Don’t open e-mail attachments unless you know the persons who send the attachment and you are expecting an attachment from them.
* Be careful when installing software that you’ve downloaded from the internet, since it may include malware.
* Be extremely cautious when you are prompted you to download certain software or run an Active X control.
* Don’t click inside misleading pop-up windows: Many malicious websites try to install malware on your system by making images look like pop-up windows, or displaying an animation of the website scanning your computer.
* Keep your system and any software installed on your computer up-to-date. Malware like PUP.Optional.BrowseFox.A usually exploit system vulnerabilities or software flaws to attack your computer.
* If you are running Internet Explorer as your browser, at a minimum you should use a “Medium” security level for the internet zone.
Note: The manual removal is a complicated and risky task and it shouldn’t be attempted by novice users. Actually, downloading and using a professional removal tool is a better option, if you want to easily and safely eliminate the Trojan horse from your computer. Click and download a powerful removal tool now.
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