Have you noticed that your computer is being sluggish lately, runs slower, freezes and even crashes at times? Well, you might have been infected with a particular Trojan Horse or virus. Let us define a Trojan Horse virus, get familiar with the types of trojans and learn how to protect ourselves from being infected.
What is a Trojan Horse Virus?
To Define Trojan horse, it's is a malicious type of a program, which is distinct from the self-propagating worms and viruses, that cyber crooks are spreading for a particular reason like obtaining sensitive information from your device. Most of Trojan horse viruses are masqueraded as beneficial softwares in order to be downloaded and installed by users in their systems.Trojan Horse virus penetrates into a user’s computer so as to fetch and steal confidential information and send it back to its creator or the Trojan virus distributor.
What are The Types of The Trojan Horse Virus?
Trojan Mailfainder
These programs are made to gather email addresses from the victim's computer.
Trojan-Spy
Trojan-Spy programs are dangerous spying tools on how the user is using his computer by tracking the information input through the keyboard, taking screenshots and making a record of the executed applications.
Trojan-SMS
These programs cost much money. It works by sending text messages from your own mobile device to premium mobile phone numbers.
Trojan-Ransomware
This kind of Trojan is able to alter data on a user's computer in order to make it fail to run correctly or they can have no access to specific data. The cyber crooks will only reestablish the computer’s performance and decrypt the data after a specific payment or a ransom is made to them.
Trojan-GameThief
This sort of program robs user account data from online gamers.
Trojan-IM
Trojan-IM programs steal the logins and passwords from the instant messaging softwares like AOL Instant Messenger, ICQ, MSN Messenger, Yahoo Pager, Skype, Viber PC, Line PC and a lot more.
Trojan-FakeAV
Trojan-FakeAV programs mimic the function of antivirus program. They are created to extract money from computer users in exchange for the threats detection and elimination. Most of the time, those reported threats are actually fake and non-existent in your system.
Trojan-Dropper
Trojan-dropper virus is utilised by hackers so as to set up Trojans and viruses or to block any detection of a malicious program. Several antivirus applications are incapable of scanning all of the parts of this type of Trojan.
Trojan-Downloader
Trojan-Downloader virus is capable of downloading and installing an updated version of malicious programs in your computer system such as Trojans and adware.
Trojan-Banker
These programs can easily steal your account information for e-payment systems, online banking systems and credit/debit cards.
Trojan-DDoS
These Trojans carry what we call "Denial of Service" attacks toward an aimed web address by sending various requests from the infected computer(s). The attack can destroy the target address which leads to a DDoS.
Backdoor Trojans
These Trojans give users a distant access over the infected target computer. They allow the hacker to perform any activity on the infected computer such as send, receive, start and remove files, show data and reboot the whole system. Backdoor Trojans are frequently used to combine a group of infected computers to establish a botnet network which can be applied for illegal schemes.
Exploit Trojans
Exploits are programs compiled of data or codes which take advantage of an existing vulnerability within an application software that’s running on the victim's computer system.
Rootkit Trojan
Rootkits have the function of covering specific actions or activities in the infected system. They usually stop malicious programs being uncovered so as to prolong the time in which certain programs can run on an infected system.
Trojan-ArcBomb
These Trojans are archives that dramatically slow
down performance and stop the computer or to overload the disk space with a mass of “hollow” data every time a user tries to unwrap the archived data. These archive bombs act as a remarkable menace for both of file and email servers when an automated processing system is employed to treat the incoming data; that's where a Trojan-ArcBomb directly impact the server.
Trojan-Clicker
It's a sort of a trojan which persists to reside in the system memory and repeatedly tries to connect to particular websites very often.
Trojan-Notifier
They are malicious programs that have an activity of sending messages to notify the cyber crooks when an infected computer system got online. The hacker will collect data about the target computer system such as the IP address, open ports number, email addresses, etc. All this sensitive information can be sent by email or a pro request sent to the hacker’s website.
Trojan-Proxy
This kind of Trojan enables an unapproved person to use the infected computer as a proxy server to reach the Internet anonymously.
Trojan-PSW
PSW Trojan steals the stored passwords and other sensitive data on the victim's computer system. It can sometimes quietly install additional malicious programs as well.
How To Avoid a Trojan Horse Virus Infection?
In order to keep your system safe from Trojan Horse virus infection, you have to:- Install an effective antivirus program
- Turn on and update the firewall in your system.
- keep the antivirus updated and run a full scan very often.
- Avoid clicking on pop-up banners
- refrain from clicking on suspicious links.
- Avoid downloading programs from unknown or untrusted sources.
- Do not use patches, cracks and cracked software versions.
- Run a scan on a Flash Disk when plugged into your computer before browsing its content.
How To Remove a Trojan Virus?
If things went south you got your computer infected with a Trojan virus of any type, then here is how to eradicate it. The fastest and the most efficient way of trojan removal is by:
- Downloading a trojan removal tool.
- Access your computer from the Safe Mode (reboot and press F8).
- Run the downloaded Trojan removal tool and perform an in-depth scan.
- Select and delete the Trojan virus.
- reboot your system.
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