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Computer virus, worms and Trojans
What they are and what they can do
Computer virus are self-executing, replicating programs written
specifically to regulation the approach a domestic device works, minus the knowledge
(or permission) of the operator/owner. Viruses are so call because
they behave contained by a similar method to biological virus. Just as biological
virus pass by from individual to creature, replicating themselves as they progress,
computer virus go by from computer to computer. Unlike most
biological virus, however - computer virus are entirely man made.
Viruses can seriously destroy your machine
Viruses can impair and seriously defile your computer (or network
server) by, amongst other things; executing illogical article, audio and
video messages, draining memory, delete files, corrupting programs -
even reformatting (erasing the contents of) your frozen disk. At best,
the smaller number destructive variant are irritating and will slow the
infected gadget up (because of the drain on memory), repeatedly resulting
in crashes and other unpredictable manner which can ultimately
result contained by loss of notes.
Although a virus wishes an infected application to be launch contained by order
to infect other programs or documents, they can conceal themselves in
your computer (often masquerading as innocent files) and replicate
(make copies of) themselves until such an infected application is
launch.
Not adjectives virus behave within precisely impossible to tell apart method and not adjectives malicious
programs are virus (like Trojans). Some virus are solitary active
whilst an infected application is running, whilst others will stay
active in memory until you turn past its sell-by date your computer. However, as the
virus is resident surrounded by a record or on a disk, exiting the infected
application or turning bad your computer individual removes the virus from
memory, it does not remove the virus from the infected database or disk
and the virus merely lays dormant, until you to reboot your computer
and/or access the infected application.
The diverse forms of computer viruses
Boot sector viruses infect the boot sector of a easier said than done drive or floppy
disk by first overwriting/moving the productive boot code and then
moving the untested code to another sector on the disk, which the
virus grades as unpromising.
File infecting virus attach/modify any executable files, sometimes
replacing the imaginative code near its own.
Macro virus are self replicating macros that self replicate and can
spread fast on a computer and/or gridiron.
Master Boot Record Infectors infect a system's Master Boot Record on
frozen drives and the Boot Sector on floppy diskettes.
Multi-partite virus are commonly a combination of technique of both
boot sector virus and directory infecting virus.
Polymorphic virus are difficult to detect as they use an encryption
algorithm that change, along next to the virus' appearance, change
their appearance with/after respectively infection.
Stealth virus hide from view themselves from a computers' operating system and
anti-virus products.
Viruses (including worms) are recurrently distributed via attachments in
e-mail spam and, ironically, a large amount of e-mail spam (particularly
manacle letters) are virus hoaxes.
Computer virus, worms and Trojans
What they are and what they can do
Worms are computer programs that can copy themselves from gadget to
gadget, extremely immediately, through computer networks.
Computer worms differ from computer virus because they run
independently and do not obligation a host wallet, boot sector or file
verbs between machines to propagate.
Worms
There are different types of computer worms that spread through
many services - including e-mail and instant messaging clients.
E-mail worms
these are spread via infected e-mail messages in the form of an
attachment or intermingle to an infected Web site - some e-mail worms will
also spoof e-mail address.
IM worms
These are spread via instant messaging clients, to entire contact
list, within the form of links to infected Web sites.
Internet worms
These are spread when the Internet worm scan, tries to connect and,
if successful gain access to any adjectives machines - any by
scan the Internet and/or using the local operating system.
IRC worms
These are spread via IRC channel within the form of infected files or
links to infected Web sites.
File-sharing Networks Worms
these are spread from shared folders via the P2P make friends.
Computer virus, worms and Trojans
What they are and what they can do
Worms are computer programs that can copy themselves from contrivance to
tool, extremely vigorously, through computer networks.
Computer worms differ from computer virus because they run
independently and do not obligation a host profile, boot sector or file
verbs between machines to propagate.
Worms
There are different types of computer worms that spread through
an assortment of services - including e-mail and instant messaging clients.
E-mail worms
these are spread via infected e-mail messages in the form of an
attachment or contact to an infected Web site - some e-mail worms will
also spoof e-mail address.
IM worms
These are spread via instant messaging clients, to entire contact
list, surrounded by the form of links to infected Web sites.
Internet worms
These are spread when the Internet worm scan, tries to connect and,
if successful gain access to any adjectives machines - any by
scan the Internet and/or using the local operating system.
IRC worms
These are spread via IRC channel contained by the form of infected files or
links to infected Web sites.
File-sharing Networks Worms
these are spread from shared folders via the P2P lattice.
Hi, if you want a great deal of information give or take a few computer virus, I'd start at the Wikipedia entry:
Basically, a computer virus is a software program that replicates itself and attempts to spread from database to profile, system to system any beside or withour intent. A lot of them lead to overexploit to files and boot sector and will ruin your operating system software.
If you obligation a more detailed response, stir to:
http://en.wikipedia.org/wiki/computer_vi...
Also computer virus is a program also similar to a worm your computer ip to that the party you crashing cmputer sends a middle tect and that sends info approaching a bomb it simply blows up window or w/e you are useing
Throjan are population can control computer resembling if you put within computer ip later you could control it " air " bit " ( If i have a throjan would be impossible i hold 4 those surrounded by my house that haves like computer ip )
Keyloggers are for sending in a wallet gos the computer ip and copys from the baby grand code is ' AAxs 99889 f 88ss baby grand ' ( later would utter here grand piano type )
Also if you reason im a geek im not i dont wear eyeglasses i skateboard and stuff i only just know this info because i used to kind this programs for bestbuy