Well Many of us Heard or have Seen that Virus Detected,
Trojan Detected, Worm & Spyware...Etc
Some of us may be knowing the difference between all these Computer Harming
Programs...
some may not in this post I will tell u what are these concept, their range,
their effects any much more Read it
Let Us began with the common i.e. VIRUS
1) VIRUS - A virus is a self replicating program which gets stick on
its own to an (.exe) executable file. When that same file is run or
opened the virus automatically gets started & enters into system memory
.Once it enters into system it searches for other files that can be infected or
stays hidden & infect the files & show it great effect after sometime.
Its common & is found in nearly all computers & other devices it makes
the computer sick in easy terms...!!
FAQ's
1 - Is it Virus Transferable? It can transfer on its own? - YES.
2 - Can Virus harm other files? Important files can be harmed? - YES THEY MIGHT BE AFFECTED
3 - Can know if it Exist in the computer? - YES, sometimes some programs go wrong we can say that due to
virus, Pen-drive's are not allowed to remove
safely by computer itself Cause VIRUS.
4 - Do virus stick to other files? - YES, This attachment happens when file's from pen drive, CD or other
things
are been copied or Moved
5 - Do it search for File's on its own that it can harm? YES.
6 - Can come from Internet? From Pen drives, CD ? YES.
7 - Do they multiply? - YES
Some Virus Names -
ILOVEYOU Virus, Melissa, CIH (a.k.a. Chernobyl), Solar
Sunrise, Barrotes, Morris (a.k.a. Internet
Worm), Jerusalem, Black Deader, Black Jack...
2) WORMS - Worms
are almost similar to viruses but it differs in ways They don't joined
themselves to exe files instead to duplicate themselves they uses the network.
If you find excessive use of your network bandwidth then you may be infected by
a worm. So worms do not require a user to exe any file for its execution it can
work without user action.
FAQ's
1 - Is it Worms Transferable? It can transfer on its own? - YES.
2 - Can Virus harm other files? Important files can be harmed? - YES THEY
MIGHT BE HARMFUL
3 - Can know if it exist in the computer? - YES
4 - Do Worms stick to other files? - NO
5 - Do it search for File's on its own that it can harm? YES.
6 - Can come from Internet? From pen drives, CD? YES.
7 - Do they Multiply? - YES some
may multiply some may not.
3) TROJAN HORSE - This
program work same as Trojan horse (attack strategy - Google it to know more). A
Trojan horse is harmful program which may seem harmless to the user before its
attack or installation but instead it is programmed or reverse engineered to
facilitate unauthorized remote access to the computer. Trojan’s do not
replicate them self
FAQ's
1 - Is it Transferable? It can transfer on it own? - YES.
2 - Can harm other files? Important files can be harmed? - YES THEY
MIGHT BE HARMFUL
3 - Can know if it Exist in the computer? - NO After sometime it comes to know that Trojan is there
4 - Do stick to other files? - NO
5 - Do it search for File's on its own that it can harm? NO.
6 - Can come from Internet? From Pen drives, CD ? YES.
7 - Do they Multiply? - NO some may multiply
some may not.
Still Trojan is more harmful than viruses. We will give u more info about
trojan later on
4) SPYWARE - According to its name this virus act as a
spy A spyware is a program that secretly monitors & collects pieces of information.
They usually run in health or stealth mode & cannot be detected easily. Key
loggers is a great example of spyware software. There are not limited to just
spying but can also send data to remote computers.
These are not easily found in someone's computer, used in companies for rivals
etc...