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BadTrans is a malicious Microsoft Windows computer worm distributed by e-mail. Because of a known vulnerability in older versions of Internet Explorer, some email programs, such as Microsoft's Outlook Express and Microsoft Outlook programs, may install and execute the worm as soon as the e-mail message is viewed.
Sircam is a computer worm that first propagated in 2001 by e-mail in Microsoft Windows systems. It affected computers running Windows 95, Windows 98, and Windows Me (Millennium). It began with one of the following lines of text and had an attachment consisting of the worm's executable with some file from the infected computer appended:
This timeline of computer viruses and worms presents a chronological timeline of noteworthy computer viruses, computer worms, Trojan horses, similar malware, related research and events.
The Melissa virus is a mass-mailing macro virus released on or around March 26, 1999. It targets Microsoft Word and Outlook-based systems and created considerable network traffic. The virus infects computers via email; the email is titled "Important Message From," followed by the current username. Upon clicking the message, the body reads, "Here's that document you asked for. Don't show anyone else ;)." Attached is a Word document titled "list.doc," containing a list of pornographic sites and accompanying logins for each. It then mass-mails itself to the first fifty people in the user's contact list and disables multiple safeguard features on Microsoft Word and Microsoft Outlook.
Blaster was a computer worm that spread on computers running operating systems Windows XP and Windows 2000 during August 2003.
The Sobig Worm was a computer worm that infected millions of Internet-connected, Microsoft Windows computers in August 2003.
Mydoom was a computer worm that targeted computers running Microsoft Windows. It was first sighted on January 26, 2004. It became the fastest-spreading e-mail worm ever, exceeding previous records set by the Sobig worm and ILOVEYOU, a record which as of 2024 has yet to be surpassed.
Bagle was a mass-mailing computer worm affecting Microsoft Windows. The first strain, Bagle.A, did not propagate widely. A second variant, Bagle.B, was considerably more virulent.
Agobot, also frequently known as Gaobot, is a family of computer worms. Axel "Ago" Gembe, a German programmer also known for leaking Half-Life 2 a year before release, was responsible for writing the first version. The Agobot source code describes it as: “a modular IRC bot for Win32 / Linux”. Agobot was released under version 2 of the GNU General Public License. Agobot is a multi-threaded and mostly object oriented program written in C++ as well as a small amount of assembly. Agobot is an example of a Botnet that requires little or no programming knowledge to use.
Win32/Simile is a metamorphic computer virus written in assembly language for Microsoft Windows. The virus was released in its most recent version in early March 2002. It was written by the virus writer "Mental Driller". Some of his previous viruses, such as Win95/Drill, have proved very challenging to detect.
The Sober worm is a family of computer worms that was discovered on October 24, 2003. Like many worms, Sober sends itself as an e-mail attachment, fake webpages, fake pop-up ads, and fake advertisements.
W32.Navidad is a mass-mailing worm program or virus, discovered in December 2000 that ran on Windows 95, Windows 98, Windows NT, and Windows 2000 systems. It was designed to spread through email clients such as Microsoft Outlook while masquerading as an executable electronic Christmas card. Infected computers can be identified by blue eye icons which appear in the Windows system tray.
Brontok is a computer worm running on Microsoft Windows. It is able to disperse by e-mail. Variants include:
RavMonE, also known as RJump, is a Trojan that opens a backdoor on computers running Microsoft Windows. Once a computer is infected, the virus allows unauthorized users to gain access to the computer's contents. This poses a security risk for the infected machine's user, as the attacker can steal personal information, and use the computer as an access point into an internal network.
Stration is a family of computer worms that can affect computers running Microsoft Windows, disabling security features and propagating itself to other computers via e-mail attachments. This family of worms is unusual in that new variants are being produced at an unprecedented rate, estimated to be up to one every 30 minutes at its peak, and downloaded from remote servers by infected machines to speed propagation. This makes detection and removal a particular challenge for anti-virus software vendors, because new signature files for each variant need to be issued to allow their software to detect them.
MyLife, discovered by MessageLabs in 2002, is a computer worm that spreads itself by sending email to the addresses found in Microsoft Outlook's contacts list. Written in Visual Basic, it displays an image of a girl holding a flower while it attempts to delete files with certain filename extensions. It is named for a phrase appearing in the subject lines of the emails it sends. A variant, MyLife.B, also called the Bill Clinton worm, instead uses a subject line "bill caricature" and displays a cartoon image of Bill Clinton playing a saxophone. Many additional variants have been reported. When the infected file is run, and the picture is closed, the worm runs its payload. MyLife checks the current date. If the minute value is higher or at 45, the worm searches the C:\ directory and deletes .SYS files, .COM files and the same in D:\ Drives.
Koobface is a network worm that attacks Microsoft Windows, Mac OS X, and Linux platforms. This worm originally targeted users of networking websites like Facebook, Skype, Yahoo Messenger, and email websites such as GMail, Yahoo Mail, and AOL Mail. It also targets other networking websites, such as MySpace, Twitter, and it can infect other devices on the same local network. Technical support scammers also fraudulently claim to their intended victims that they have a Koobface infection on their computer by using fake popups and using built-in Windows programs.
Conficker, also known as Downup, Downadup and Kido, is a computer worm targeting the Microsoft Windows operating system that was first detected in November 2008. It uses flaws in Windows OS software and dictionary attacks on administrator passwords to propagate while forming a botnet, and has been unusually difficult to counter because of its combined use of many advanced malware techniques. The Conficker worm infected millions of computers including government, business and home computers in over 190 countries, making it the largest known computer worm infection since the 2003 SQL Slammer worm.
Sality is the classification for a family of malicious software (malware), which infects Microsoft Windows systems files. Sality was first discovered in 2003 and has advanced to become a dynamic, enduring and full-featured form of malicious code. Systems infected with Sality may communicate over a peer-to-peer (P2P) network to form a botnet to relay spam, proxying of communications, exfiltrating sensitive data, compromising web servers and/or coordinating distributed computing tasks to process intensive tasks. Since 2010, certain variants of Sality have also incorporated rootkit functions as part of an ongoing evolution of the malware family. Because of its continued development and capabilities, Sality is considered one of the most complex and formidable forms of malware to date.
Gruel, also referred to by F-Secure as Fakerr, was a worm first surfacing in 2003 targeting Microsoft Windows platforms such as Windows 9x, Windows ME, Windows 2000 and Windows XP. It spread via email and file sharing networks.
References
- 1 2 "What is the KLEZ virus? – GMS" . Retrieved 2024-04-30.
- 1 2 "Worm:W32/Klez | F-Secure Labs". www.f-secure.com. Retrieved 2024-04-30.