5 most virulent computer virus



I will share the most virulent computer virus 5
may be learning and be careful of this: D

1. Melissa

First discovered on March 26, 1999, the Melissa virus (written by David L Smith), who is also known as Mailissa, Simpsons, Kwyjibo, or Kwejeebo can block e-mails infected with the virus.

Melissa was first distributed through Usenet discussion groups alt.sex. This virus is in a file called List.DOC, which contains the password for access to 80 porn sites.

When a user opens the e-mail message, Word attachment infected with a virus Melissa will be sent to the first 50 names in the user's address book automatically.

2. Code Red

Released on Friday, July 13, 2001, this worm exploit a buffer overflow vulnerability in Microsoft's IIS server to replicate themselves by exploiting the same vulnerability in Microsoft IIS servers other. Until July 19, 2001, more than 400,000 computers have been infected by the virus.

Buffer overflow occurs when a computer can not handle too much information it receives, causing the shutdown.

The virus is quite difficult to be removed because it is able to re-infect the system has been cleaned. The virus is capable of causing overload problems and denial of access to sites around the world.

3. ILOVEYOU

Love Bug virus is still regarded as one of the most destructive virus. ILOVEU capable of infecting more than 50 million computers in just nine days and led to some military sites shut down their network until the virus could be cleaned.

The virus is accessing Outlook contact name from your list. If you see an e-mail message "I LOVE YOU" and open it, it will replicate itself and send messages to your contacts again. Recipients who do not know what's going to open the document which resulted in most of their files overwritten.

4. MyDoom

Mydoom virus, also known as W32.MyDoom @ mm, Novarg, Mimail.R and Shimgapi, is a worm that affects the performance of Microsoft Windows.

He first appeared on January 26, 2004 and became the fastest-spreading virus itself (exceeding the speed set by the Sobig and ILOVEYOU virus).

On January 29, 2004, Microsoft offered a reward of 250,000 dollars for information leading to the arrest of the creator of Mydoom and until February 1, 2004, an estimated one million computers worldwide have been infected with the virus Myoom.

MyDoom is effective enough to spread themselves because the recipient will receive an e-mail warning about failure in sending the e-mail and the recipient will open it unknowingly triggering the virus.

MyDoom resulted in a significant load on search engines like Yahoo and Google, and he also blocked access to the Microsoft site and a popular antivirus websites.

5. Storm Worm


Initially distributed in an e-mail message containing the subject line "230 dead due to storm Europe", Storm virus is malicious Trojan horse which appeared in January 2007.

E-mails containing the worm infected executable file. Once opened, the malware will automatically be installed, and the infected computer will become part of a botnet (a network of PCs that can be controlled remotely).

In September 2007, an estimated 1-50 million computers are infected and become part of the Storm botnet.


hopefully we will avoid this virus 5 and because we would break if struck by this vrus (Wkwkwkwkw LoL)
may be useful: D
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