Cybercriminals use Trojan viruses with the intention of subtracting any type of data that is private, as well as to access any type of system or spy on people .
Regardless of how you want to protect your devices, you must maintain good security on them before installing any other type of app, since it is essential that you protect them from Trojan viruses that make their effectiveness decrease significantly . It should be noted that although these viruses occur on computers, also your Mac, Linux, Android and iOS operating systems may suffer risks .
Having seen the previous ones, and with the intention that you can understand well what we are talking about, you should know what a Trojan virus is and how it can affect your computers and even your mobile phone. That’s why we explain everything below.
Index:
What is a Trojan virus and how to identify it?
The Trojan virus is software that is responsible for infecting each of the files found on your computer or mobile device.
When you download a file or program that contains a virus, it can affect your computer and infect it, being that once it has access it can do any kind of thing. We could say that you have permission to cause damage or can even take full control of it, which is a big problem.
That is why every activity you do on the infected computer is saved and transmitted to the Trojan server, so it is a dangerous circumstance at the time you want to perform any type of banking transaction, because The Trojan takes all the information from your accounts with the intention of using it or even selling it to others .
Now, subjects who send Trojans can hack your computer or phone completely. You can also make use of your Internet connection, all with the intention of using it to perform any type of cyberattack .
What are the main types of Trojan viruses known to date ?
Los troyanos por lo general parecen archivos comunes, por lo cual el usuario lo ejecuta de forma normal pensando que se trata de un programa seguro. Cuando le da acceso, éste ejecuta sus actividades con toda la normalidad del mundo, pero lo que no sabe es que se están realizando tras de ellas actividades ocultas y maliciosas, con otros tipos de fines. Por lo general su objetivo es robar información.
Among the best known we have:
The downloader
This is a Trojan that can be downloaded to install any type of malware on computers that have been infected. You can even start it automatically . So once you get what you need, you no longer do any other activity.
The bank
It is designed with the intention of stealing any type of data contained in bank accounts . It is usually used to access them and replace the identity of the original user. Also to take screenshots in the account. However, this does not happen if the user uses virtual keyboards .
This type of virus can record any type of video at the moment the user accesses the bank pages, in order to take note of each of their data and host them in FTP sites .
The clicker
They are created with the intention that whoever executes it can access the web pages . It can be done at the time the commands are sent to the browser or when the files that the system has are replaced, with the intention of obtaining the Internet addresses that are executed.
The backdoor
With this function a back door is left open , so that the person making the attack has remote access to each of the files on the computer. These types of remote connections are on frequently used in computing .
The backdoor is done without the user downloading any contaminated file . That is why once you access the device you can send emails, modify and even delete files, format the device or install any type of program that is harmful.
The bot
Through this program the computers stop . This with the intention that you can subtract all user information, including from your bank accounts.
The attacker manages the computer in any way he wants, with the purpose of carrying out any type of criminal act, attacking any type of service, spamming .
How can it affect a Trojan virus on my computer or smartphone?
The Trojan virus can affect your computer or mobile device by infecting it. Its damage is quite significant, although this will always depend on the object with which it was installed.
You can also:
Damage the Operation of computers and networks
Usually the damage to your computer or a network can happen accidentally . However, when they have a Trojan they eliminate the systems and even unintentionally deactivate the OS permanently.
Hardware Failure
Today’s hardware is generally very modern, so it is somewhat reliable. Although when they are affected can cause the computer or mobile phone to completely fail.
Data Theft or Loss
When an attacker installs a Trojan he can delete the data or steal it. That is why when personal equipment is attacked the damage can be low.
But when installed to steal very important information it can cause major damage and cause you to lose a lot of information, correspondence or files. It is best to perform every time you can backup them to avoid losing them completely.
There may be no visible damage
Several Trojans are usually not perceived in the systems, because can be installed silently on computers , so that the system in general works normally without the user being able to notice.
When there is in a business network a virus is a very serious difficulty . Achieving sometimes behave like a zombie that sends any type of spam, so the infected computer can send mass emails that have not been programmed by the user .
What are the main ways to infect my team with a Trojan?
Seen then that it is a Trojan virus, you should know how it infects your computer because there are many ways to do it:
- When a program is vulnerable it can be installed through it.
- When you download a file and open it, so you can install a code where you install a « rootkit »only in a few seconds .
- For faults in the hardware and drivers , getting with this that the attacker can take control of the equipment and send packages to WiFi or Bluetooth. So when you enter you get the option to act as administrator and do what you want with the system.
Tips to avoid being a victim of attacks with our Trojan viruses safe team
So that your device or smartphone does not get any type of Trojan virus, you must follow the advice given below:
Beware of suspicious links
One of the ways for the user to access this type of virus is through links or hyperlinks . That is why it is essential to take precautions to access websites that have some kind of threat.
At the moment you are going to open any link or attachment in your email, any type of message from social networks or even when you are chatting, you must analyze each of the messages sent to you and even more so if they come from strangers or some type of sender that is not reliable.
Do not enter websites of doubtful reputation
There are many websites that have ads that attract the attention of users. Try not to enter them at the time you browse, and above all things avoid accessing these types of pages .
Update the operating system and applications
Try to keep your security systems, software and operating system up to date, so that you avoid sharing information or any type of threat that could make your computer vulnerable.
Download applications from official websites
When you are going to download some type of program verify that you are doing it from the official pages, because there are several websites where you replace the versions and they contain viruses or in where you download any type of code that is malicious for your computer when installing it .
Use all the technology you can to provide security to your team
There are programs that provide protection to prevent your computer from becoming contaminated with Trojans, being antivirus, antispam or firewall which are applications to protect it and avoid any kind of threat.