Code Red (2001) Virus

Contrasted with present day malware, Code Red appears to be a practically kinder, gentler rendition of a danger. Be that as it may, when it cleared across PCs overall in 2001, it surprised security specialists by taking advantage of a blemish in Microsoft Web Data Server.

That permitted the worm to mutilate and bring down certain sites. Maybe most importantly, Code Red effectively cut down the whitehouse.gov site and constrained other government organizations to bring down their own public sites also for a brief time. However later worms have since eclipsed Code Red, it's actually recalled by hostile to infection specialists as a defining moment for malware in light of its fast spread.

MyDoom (2004) Malware

                                                                 

MyDoom built its direction into the malware world in 2004, rapidly contaminating somebody million PCs and sending off an enormous circulated refusal of administration assault, which overpowers an objective by flooding it with data from numerous frameworks.

The infection spread through email as what gave off an impression of being a skipped message. At the point when the clueless casualty opened the email, the pernicious code downloaded itself and afterward appropriated the new casualty's Standpoint address book. From that point, it spread to the casualty's companions, family and associates. MyDoom spread quicker than any worm seen earlier.    

agent.btz (2008) Virus

                                                                                      

This piece of malware's specialty is that it briefly constrained the Pentagon to give a sweeping prohibition on thumb drives and, surprisingly, added to the formation of a completely new military division, U.S. Digital Order. Agent.btz spreads through contaminated thumb drives, introducing malware that takes information.

When agent.btz was tracked down on Pentagon PCs in 2008, authorities associated the work with unfamiliar covert operatives. Previous Representative Secretary of Safeguard William Lynne later composed that agent.btz made "a computerized foothold, from which information could be moved to servers under unfamiliar control." However some enemy of infection specialists have questioned the conflict that the infection was the production of an unfamiliar insight organization, its impact was to make digital conflict a proper piece of U.S. military procedure.

A2K.Damcor

Discovered:
    May 18, 2004
Updated:
    February 13, 2007 12:23:23 PM
Type:
    Worm
Systems Affected:
    Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

When A2k.Damcor is executed, it performs the following actions:

    Launches Microsoft Access in order to execute the Macro code.

    Attempts to use Microsoft Outlook to email itself to all contacts in the address book.

    The email has the following characteristics:

    Subject: Re: Saddam Corrupted
    Body: Please find the details of Saddam Corrupted  
    Attachment: account.mdb

    Length: Unknown

Technically A2K.Damcor is a worm, a type of malware that replicates and circulates without human intervention. A2K.Damcor can replicate and spread not only inside of your computer, but also to other computers connected to your network.

What makes worms like A2K.Damcor extremely dangerous is its ability to spread quickly. A A2K.Damcor infection hits very fast; so quickly that you won’t even be aware that it was A2K.Damcor that infected your computer.

When A2K.Damcor infects your computer, it tries to create a copy of itself as a Windows executable file (.EXE). After infecting you computer, A2K.Damcor will attempt to use your network to connect with its source computer. The primary intention is to update itself and download other malware programs and files.

A2K.Damcor also attempts to infect the Windows Registry of your computer. The purpose is to remain undetectable, protect other malicious programs it downloads, start up when the computer boots, and ultimately take full control over your computer.

1. Storm Worm

The feared Tempest Worm struck the digital world as a noxious deception program in late 2006 when clients started getting messages with a headline "230 dead as tempest players Europe." It was beyond question one of the most refined and most noteworthy digital misrepresentation networks at any point built.

 It fooled the casualties into tapping the phony connections in an email that was contaminated by the infection which could without much of a stretch transform any Windows PC into a botnet, letting somebody offsite work it from a distance for sending spam sends across the web. In January 2007, it was assessed that out of all worldwide malware contaminations, 8% is because of the Tempest worm as the quantity of this hazardous malware tainted computers was near 10 million.

 On January nineteenth, 2007, more than 200 million messages included connections to download the Tempest Worm, which assist with having an impact in the general assault. Most accept the worm gets its name from the way that one of the email messages conveying the infection had "230 dead as tempest hitters Europe" as its subject.

    Not quite the same as the W32.Storm.Worm delivered in 2001, this infection was delivered and recognized in late 2007.

Permitted programmers to control the PC from a distance, involving it for noxious action, such as sending mass measures of email (spam).

    Engendered through counterfeit connects to recordings and reports.