Malware Facts: Worms are most commonly written for Windows OS. The first worm was the Internet Worm in 1988, which infected SunOS and VAX BSD systems. The number of entries on the malware list has doubled in the last year. About 160,000 websites were infected in the last month.
Computer Virus: This is a computer program that can copy itself and infect a computer. It is also commonly but erroneously used to refer to other types of malware, adware and spyware programs that do not have the reproductive ability.
Computer Worm: A computer worm uses a computer network to send copies of itself to other computers on the network and may do so without any user intervention.
Trojan Horse: A Trojan horse appears to perform a desirable function for the user but instead facilitates unauthorized access to the user’s computer system.
Adware: Adware automatically plays, displays or downloads advertisements to a computer after the software is installed on it or while the application is being used.
Crimeware: Crimeware accesses a user’s online accounts at financial services for the purpose of stealing funds or making unauthorized transactions.
Rootkit: This is a program designed to gain control over a computer system or network of computing systems without being detected.
China launched 23 percent of the Web-borne infections. The Russian Federation launched 20 percent of the malware infections. The USA launched 10 percent of the Web-borne infections. India launched 4 percent of the infections. Germany launched 4 percent. Ukraine launched 3 percent of the malware infections. Italy infected 3 percent of the Web-borne infections. The United Kingdom launched 3 percent of the infections. France launched 2 percent of the malware infections. Spain launched 2 percent of the Web-borne infections. Other countries launched 26 percent of the Web infections.
Trojan-Downloader.JS.Gumblar.x had 178,965 attempted downloads. Exploit.JS.CVE-2010-0806.i had 148,721 attempted downloads. Trojan.JS.Redirector.I had 126,277 attempted downloads. Trojan-Clicker.JS.Iframe.ea had 102,226 attempted downloads. Exploit.JS.Aurora.a had 88.196 attempted downloads. Trojan.JS.Agent.aui had 80,654 attempted downloads. Not-a-virus:AdWare.Win32.Boran.z had 75,911 attempted downloads. Trojan.HTML.Fraud.aj had 68,809 attempted downloads. Packed.Win32.Krap.as had 64,329 attempted downloads. Exploit.JS.CVE-2010-0806.b had 50,763 attempted downloads.
Net-Worm.Win32.Kido.ir was detected on 332,833 computers. Virus.Win32.Sality.aa was detected on 211,229 computers. Net-Worm.Win32.Kido.ih was detected on 186,685 computers. Net-Worm.Win32.Kido.iq was detected on 181,825 computers. Worm.Win32.FlyStudio.cu was detected on 121,027 computers. Trojan-Downloader.Win32.VB.equl was detected on 68,580 computers. Trojan.Win32.AutoRun.abk was detected on 66,331 computers. Virus.Win32.Virut.ce was detected on 61,003 computers. Packed.Win32.Krap.I was detected on 55,823 computers. Worm.Win32.AutoIt.tc was detected on 55.065 computers.