Virus Encyclopedia

Malware Environment Where do viruses live? What does a worm need to flourish? A concise description of software requirements for malware. More		Malware Descriptions Definitions of malware categories and descriptions of individual viruses, Trojans, worms and other malicious programs. More
Who Creates Malware Viruses and other malware do not come from nowhere: an explanation of who writes malicious programs and why. More		History of Malware Computer viruses have been around for a long time now. A detailed look at the roots of malware from the mid 20th century to the present. More
Malware Trends Where are we headed? An in-depth look at recent events helps forecast future trends and security issues. More		If Your Computer is Infected An infected computer is like a person - if you analyse the symptoms, you can diagnose the illness. More

Latest Malware Descriptions

Aug 07 2008 Trojan-Downloader.Win32.Banload.dcd This Trojan downloads other files via the Internet and launches them for execution on the victim machine without the user’s knowledge or consent. It is a Windows PE EXE file. It is 113152 bytes in size. It is not packed in any way. This Trojan is written in Visual Basic. Installation Once... Aug 07 2008 Trojan-Downloader.Win32.Agent.fpp This Trojan downloads another program via the Internet and launches it on the victim machine without the user’s knowledge or consent. It is a Windows PE EXE file. It is 38400 bytes in size. It is written in C++. Installation Once launched, the Trojan copies its body to the Windows system... Aug 07 2008 Trojan-Downloader.Win32.Nurech.bz This Trojan downloads another program via the Internet without the user’s knowledge or consent. It is a Windows PE EXE file. It is 7293 bytes in size. Installation When launching, the Trojan injects its code into the system process "svchost.exe" and deletes its original file. Aug 04 2008 Backdoor.PHP.C99Shell.w This Trojan provides a remote malicious user with access to the victim machine. It is a PHP script. It is 229051 bytes in size. Installation This backdoor can be installed on a web server by a remote malicious user by uploading it via FTP, using the administrator's log-in details which have already... Aug 04 2008 HackTool.Perl.IrBot.d This malicious program is a hacking utility. It is a Perl script. The size of infected files may vary from 12KB to 69KB. Jun 06 2008 Virus.Win32.Gpcode.ak This malicious program encrypts files on the victim machine. It is a Windows PE EXE file 8030, bytes in size. May 23 2008 Trojan-Downloader.JS.Multi.ca This Trojan downloads another program via the Internet and launches it on the victim machine without the user’s knowledge or consent. It is encrypted Java Script within an HTML document. It is 14147 bytes in size. May 23 2008 Backdoor.Win32.Agent.ich This Trojan provides a remote malicious user with access to the victim machine. It is a Windows PE EXE file. It is 48640 bytes in size. It is packed using UPX. The unpacked file is approximately 360KB in size. Installation The Trojan extracts the following file from its body:... May 23 2008 Rootkit.Win32.Agent.pp This Trojan masks its presence in the system from users and from other programs. It is a Windows PE SYS file. It is 40960 bytes in size. It is not packed in any way. It is written in C. Installation This malicious program will be installed to the victim machine together with other malicious... May 23 2008 Trojan.Win32.Agent.dcc Installation Once launched, the Trojan copies its executable file as shown below: %System%\drivers\runtime.sys In order to ensure that the Trojan is launched each time the system is started, it creates a system service called "Runtime" which launches the Trojan executable file each time Windows is...