My younger brother always uses my computer to browse unsafe websites, which gives a chance for malware to infect my computer. Well, this time my computer gets infected by a Trojan horse named Trojan.Shylock.B. I have tried running my antivirus program to remove this threat several times; however, it comes back again and again. Is there any effective way to remove this stubborn thing once for all?
Description of Trojan.Shylock.B
computer_1 Trojan.Shylock.B is a very tricky and nasty Trojan horse that can affect the normal work of the computer and steal confidential information & important data from the infected computer. Once installed on a computer, it will insert its malicious codes deep into the system, which makes it difficult for antivirus program to detect and remove it. Also, it will try to delete some key files of the antivirus program or terminate its related process, so that it can perform a series of harmful activities in the infected system smoothly. Besides, this Trojan horse will add start-up entries to the Windows registry in order to run automatically whenever the system boots up. When running in the background of the system, Trojan.Shylock.B will do lots of harmful things, such as deleting important system files arbitrarily modifying different types of settings, dropping many malicious files to the hard drives, bringing all kinds of malware to the infected computer, and installing key logger to record what the affected user type on the keyboard.
With this Trojan horse inside, the computer may experience various problems, like slow computer speed, sluggish network, browser redirection, annoying pop-ups, blue screen of death or system crash. What’s more, this Trojan horse could cause important data loss & confidential information theft. When staying in the infected system, it can stealthily open a backdoor which enables the remote hackers to gain the unauthorized access to the infected computer and further monitor the user’ s activities. If this Trojan horse is not removed timely, the infected computer will finally come to a complete crash and the user may end up being a victim of identity theft.
Symptoms of Trojan.Shylock.B Infection
-Your computer slows down significantly whether online or offline and it sometimes reboot or shut down itself.
-Your computer experiences system crash, system freezing or blue screen of death occasionally.
-Your computer receives many strange error messages and pop-up ads even when it is disconnected from the network.
-You get frequent alerts from your firewall about an unknown program or process trying to access the internet.
-Some files or folders have been deleted or changed without your knowledge.
-Some of your files or programs become corrupted or suddenly don’t work properly.
-Your web browser gets very slow and it stops responding now and then.
-You cannot access security related websites or cannot update your antivirus definitions.
-Your favorites list has added some website URLs that you have never placed there.
-Strange and unknown toolbars appear in your web browser which you don’t ever remember installing.
-Websites that you do not request are appearing when you are surfing on the Internet with your browser.
How Does Trojan.Shylock.B Enter Your System?
The Trojan horse can enter your computer system by coming bundled with applications that you have downloaded from the Internet. Though some applications seem legitimate, they contain malicious codes of the Trojan horse. Once you install such applications on your computer without scanning for malware, the Trojan horse can be installed as well. Tricky as Trojan.Shylock.B, it also hides in some malicious websites, like those containing pornographic or commercial contents, and then lurks into your machine when you carelessly click on its download link or button. Besides, this Trojan horse can slip into your system via spam emails. When you are opening the unknown attachments of the emails or click on the strange links in the email message, you may download this Trojan horse to your computer unwittingly.
How to Protect Your PC from Malware Infection?
* Regularly update your antivirus program and install updates for it.
* Keep your system and any software you run up-to-date with the vendor’s patches.
* Don’t open email attachments unless you are sure they are safe and reliable.
* Never click on shortened URLs you receive via emails unless you are confidant of their real destination.
* Don’t click on sponsored links or pop-up ads when browsing unsafe websites.
* Download applications only from trustworthy websites.
* Be careful when installing software that you’ve downloaded from the Internet.
* Scan for malware on all CD’s, DVD, floppy diskettes and USB Drives.
Tip: If you have difficulty in manually removing the malicious Trojan horse, please download and use a professional malware removal tool to resolve the problem right now.
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