Top 20 Most Active Viruses
Top 20 Most Active Viruses
Conficker.C
• Conficker.C is a worm. Designed to spread by exploiting a vulnerability in the Windows Server Service which allows remote code execution. It is the vulnerability MS08-067. • It disables the following services: • Windows update, disabling the Windows updates. • BITS (Background Intelligent Transfer Service), which is a service to transfer Windows files. • Error reporting service, which allows to send Microsoft information about errors occurring in the operating system, Windows components and programs. • It modifies the security policies of the user accounts. In order to access the user accounts, it uses the dictionary of weak passwords. • It prevents the user and the computer from connecting to the websites that are security related preventing anti-virus programs from updating.
Spy.YK
• Spy.YK is a trojan. It allows hackers to get into and carry out dangerous actions in affected computers, such as capturing screenshots, stealing personal data, etc. • It does not spread automatically using its own means. It needs the attacking user's intervention in order to reach the affected computer. The means of transmission used include, among others, floppy disks, CD-ROMs, email messages with attached files, Internet downloads, FTP, IRC channels, peer-to-peer (P2P) file sharing networks, etc.
• A virus that also has the characteristics of a worm. • It inserts its code in other files and programs. It has damaging effects on the affected computer. • It spreads and affects other computers by creating copies of itself. • It does not spread automatically using its own means. It needs the attacking user's intervention in order to reach the affected computer. The means of transmission used include, among others, floppy disks, CD-ROMs, email messages with attached files, Internet downloads, FTP, IRC channels, peer-to-peer (P2P) file sharing networks, etc.
Vobfus.gen
Downloader.MDW
• It is a trojan. Allows hackers to get
Conficker.C
• Conficker.C is a worm. Designed to spread by exploiting a vulnerability in the Windows Server Service which allows remote code execution. It is the vulnerability MS08-067. • It disables the following services: • Windows update, disabling the Windows updates. • BITS (Background Intelligent Transfer Service), which is a service to transfer Windows files. • Error reporting service, which allows to send Microsoft information about errors occurring in the operating system, Windows components and programs. • It modifies the security policies of the user accounts. In order to access the user accounts, it uses the dictionary of weak passwords. • It prevents the user and the computer from connecting to the websites that are security related preventing anti-virus programs from updating.
Spy.YK
• Spy.YK is a trojan. It allows hackers to get into and carry out dangerous actions in affected computers, such as capturing screenshots, stealing personal data, etc. • It does not spread automatically using its own means. It needs the attacking user's intervention in order to reach the affected computer. The means of transmission used include, among others, floppy disks, CD-ROMs, email messages with attached files, Internet downloads, FTP, IRC channels, peer-to-peer (P2P) file sharing networks, etc.
• A virus that also has the characteristics of a worm. • It inserts its code in other files and programs. It has damaging effects on the affected computer. • It spreads and affects other computers by creating copies of itself. • It does not spread automatically using its own means. It needs the attacking user's intervention in order to reach the affected computer. The means of transmission used include, among others, floppy disks, CD-ROMs, email messages with attached files, Internet downloads, FTP, IRC channels, peer-to-peer (P2P) file sharing networks, etc.
Vobfus.gen
Downloader.MDW
• It is a trojan. Allows hackers to get