Types of Internet Malware & Solutions by
The eleven types of Internet malware are viruses, worms, Trojans, backdoors, and
keyloggers. And secondly, rootkits, spyware, rogues, diallers, ransomware, and
What is malicious software (malware)?
What is a malware or harmful program or malware?
The eleven types of malware. There are eleven major types of malware as of the
publication date of this article.
A computer virus reproduces itself from file to file on the same computer. It is the
oldest and most prevalent type of Internet malware.
Computer worm (worm)
A computer worm does not reproduce itself from one file to another but from one
computer to another, via a local network or the Internet. This is a category of
malware that is often confused with the previous one.
And if you want to know more about the 6 types of computer viruses, follow this link.
Trojan horse (Trojan)
A Trojan horse hides malicious software, called a payload, in another perfectly
healthy program. Often a Trojan horse installs a backdoor or a keylogger on a victim
computer. You will see these two categories described below.
It is a very discreet category of malware. Thus the victim user will never notice
anything without good protection software.
A backdoor is a means of hidden access to a computer, remotely and discreetly, to
perform all kinds of harmful actions provided by this program. In other words, a
backdoor allows access to a remote computer without its user noticing.
As a harmful action, it is possible to read files from a remote computer, modify them,
delete them. And install any malicious program.
One example of this type of Internet malware is a spam server. Or a website
saturation program. The infected computer becomes harmful without the knowledge
of its user: this is called a zombie.
A keylogger records all keystrokes on the infected computer. And sends them to the
hacker over the Internet (eg by email).
Often its purpose is to in