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Privacy policy. This means they either have to be downloaded manually or another malware needs to download and install them. Trojans often use the same file names as real and legitimate apps. It is easy to accidentally download a trojan thinking that it is a legitimate app. Ransomware protection — how to keep your data safe. We use cookies to make your experience of our websites better. By using and further navigating this website you accept this.
Detailed information about the use of cookies on this website is available by clicking on more information. These actions can include: Deleting data Blocking data Modifying data Copying data Disrupting the performance of computers or computer networks Unlike computer viruses and worms , Trojans are not able to self-replicate.
Types of Trojan Backdoor Trojans They are one of the simplest but potentially most dangerous types of Trojan. Exploit Exploits are programs that contain data or code that take advantage of a vulnerability within an application on your computer.
Rootkit Rootkits are designed to conceal certain objects or activities in your system. Banking Trojans Banking Trojans are among the most widespread Trojans. Fake antivirus Trojans Fake antivirus Trojans are particularly insidious. Trojan-GameThief This type of program steals user account information from online gamers. SMS Trojans They may seem like a relic from another century, yet they are still active and pose a significant threat.
Trojan-Mailfinder These programs can harvest email addresses from your computer. Cybercriminals want to cause maximum damage with Trojans If surveillance software is used by the state to track and punish criminal offenses, cybercriminals have exactly the opposite in mind.
In summary: Emotet is considered one of the most destructive and dangerous Trojans. It isn't yet known who is behind Emotet. The damage caused by Emotet runs into the millions. Companies are the main targets. Private users can still be affected if Emotet reads the stored email addresses from address books and adds them to its immense database. To contain the danger, in addition to having up-to-date software, macros should be deactivated in Word and Excel and no attachments should be opened from emails from unknown senders.
Piggybacking onto the end device Trojans are not only found in email attachments. Therefore, here is a checklist on how to protect yourself and your devices from Trojans: Think before you open attachments from emails. Check the sender and the text, and consider whether the attachment really needs to be opened.
Always keep your mobile and stationary systems up to date. Install security updates on a regular basis, both for the operating system and the installed programs.
Do not allow macros in Word and Excel. Do not click on links without thinking. There is also the possibility of a drive-by infection. This is an unnoticed installation of malware when visiting bogus websites, which ensure that the malware is downloaded onto the home system in the background.
Avoid downloading programs from unsafe sources. On mobile devices, avoid installing apps that are not offered in the Google Play Store or the Apple Store.
Always display all file extensions. This will tell you if a supposed image — usually with a jpg extension — is backed by an executable file with an exe extension. As an additional security measure, use two-factor authentication via a mobile app and strong passwords, or ideally a password manager. Always scan your system with a virus scanner with up-to-date definitions. The Kaspersky Internet Security suite protects you from malicious programs and malicious content.
Make regular backups of your data. Be careful when surfing the web The Trojans mentioned here are the best-known types. These security solutions protect against Trojans and other online threats: Kaspersky Internet Security Kaspersky Total Security Kaspersky Security Cloud Related Articles: Detecting ransomware — how encryption Trojans differ Tips on avoiding phishing Ransomware protection — how to keep your data safe.
What is a Trojan horse and what damage can it do? Kaspersky There are many different types of harmful Trojan horses on the Internet. An overview of the best-known Trojan horses, and how you can protect yourself.
TrickBot: The multi-faceted botnet. How do Trojans work? When you execute the program, the malware can spread to other files and damage your computer. Downloader Trojan This Trojan targets your already-infected computer.
Game-thief Trojan The losers here may be online gamers. This Trojan seeks to steal their account information. Infostealer Trojan As it sounds, this Trojan is after data on your infected computer. Ransom Trojan This Trojan seeks a ransom to undo damage it has done to your computer. Remote Access Trojan This Trojan can give an attacker full control over your computer via a remote network connection.
Rootkit Trojan A rootkit aims to hide or obscure an object on your infected computer. Trojan banker This Trojan takes aim at your financial accounts. Trojan IM This Trojan targets instant messaging. It steals your logins and passwords on IM platforms. There are a lot more. Examples of Trojan malware attacks Trojan malware attacks can inflict a lot of damage.
Rakhni Trojan. This malware has been around since More recently, it can deliver ransomware or a cryptojacker allowing criminals to use your device to mine for cryptocurrency to infected computers. This banking Trojan is another oldie but baddie. It uses keystroke logging — recording your keystrokes as you log into your bank account, for instance — to steal your credentials and perhaps your account balance as well. First, the dos: Computer security begins with installing and running an internet security suite.
Run periodic diagnostic scans with your software. You can set it up so the program runs scans automatically during regular intervals. Cybercriminals tend to exploit security holes in outdated software programs. In addition to operating system updates, you should also check for updates on other software that you use on your computer. Protect your accounts with complex, unique passwords. Create a unique password for each account using a complex combination of letters, numbers, and symbols.
Keep your personal information safe with firewalls. Back up your files regularly. If a Trojan infects your computer, this will help you to restore your data. Be careful with email attachments. To help stay safe, scan an email attachment first. Trojan war winners and losers A final note on Trojans for history and mythology buffs. Editorial note: Our articles provide educational information for you. NortonLifeLock offerings may not cover or protect against every type of crime, fraud, or threat we write about.
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