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Despite the fact that viruses and trojans are frequently confused, they are actually two very different types of unwanted pests.
A virus is a small program that "adds itself" onto an existing program, and forms a modified file. Because of this it is difficult to detect, as no new or suspicious files will initially appear on the infected system.
Once activated, a virus will usually spread itself onto other systems - either across a network, via email, through the internet, or even via disks and CDs.
A virus can delete or alter files and data, and may sometimes go to great lengths to remain undetected, and may often prove to be extremely difficult to remove. They often remain quite invisible to the unwary user, and may even disable anti-virus software to remain hidden and safe from detection and deletion.
A trojan on the other hand is a standalone program. It does not add itself onto existing files, nor does it try to replicated and spread to other systems and networks.
A trojan's main purpose it to make it's host system open to access, usually via the internet. A trojan may allow an unwanted person to see the files and data on the infected system. It may grant free access to the intruder, who may then be able to freely explore, view, modify and delete data from the hard drive. They may be able to intercept incoming and outgoing data, including emails, keystrokes, passwords, sensitive information and so on.
For the Trojan to be effective, it needs to be run at every reboot of the infected system. Because of this it may add entries to the registry or even the startup folder.
Removing the trojan tends to be quite simple. You simply delete the offending file, and remove all references to it. Detecting it, however, in the tens of thousands of files on most hard drives, is an altogether more difficult process.
What else can I help you with?
What are the types of Trojan horse virus?
There aren't types of Trojan Horse virus. A Trojan Horse is a type of virus.
How do you make a Trojan virus through java?
'you need a Trojan horse to create a Trojan virus' LOL , Trojan Horse itself is a Virus !
Why trojan horse is not consider as a virus?
The Torjan Horse is a virus.
What is the difference between a Trojan horse worm and a virus?
A Trojan horse tricks users into installing it by posing as legitimate software. A worm spreads on its own across networks without user action. A virus attaches to files or programs and spreads when they're run. Each behaves differently but can cause serious damage.
What Trojan does?
a trojan is a horse or computer virus that looks like a good thing but is not. a trojan is just and old horse.
Who is the creator of the Trojan horse virus?
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What is c5zedo?
A trojan horse (a computer virus).
When was Trojan horse virus made?
1975
What is a generic8 Trojan horse?
Generic8 Trojan horse is a virus that computers can get. Trojan horses are malicious programs and can be removed with antivirus software.
Is a Trojan horse virus the worst virus of all?
yes it is worse
What is the difference between spyware and spam?
Hi, Spyware is a sneaky program that gets into your computer or phone and secretly watches what you do. It can steal things like your passwords or personal information without you knowing. Spam is unwanted messages, usually emails or texts, that you didn’t ask for. They often try to sell you something or trick you into clicking a bad link.
What else is about the Trojan horse?
A Trojan horse is a type of virus disguised as something good but when you open it it does it's damage.
