Windows Defender detects and removes this threat.

This family of worms can steal your user names and passwords by spying on what you do online. They can block websites that are related to security updates and launch a limited denial of service (DoS) attack.

They spread through USB flash drives, instant messaging programs, and social networks.

There is more information in the Win32/Dorkbot family description.

Find out ways that malware can get on your PC.  

Windows Defender detects and removes this threat.

This worm is a member of the Win32/Dorkbot family. It can give a hacker access and control of your PC.

It spreads via instant messaging and USB flash drives.

Windows Defender detects and removes this threat.

This worm can steal usernames and passwords, block websites, and launch a denial of service (DoS) attack.

There is more information in the Win32/Dorkbot family description.

Find out ways that malware can get on your PC.

Worm:Win32/Dorkbot.K is a worm - a self-propagating program that can spread itself from one computer to another. Worms may spread themselves via a variety of different channels in order to compromise new computers. Commonly, worms may spread directly by copying themselves to removable or network drives, or by attempting to exploit particular vulnerabilities on targeted computers. Worms also often attempt to spread via platforms that require user interaction in order to run. They may send themselves as an attachment to an email or an instant message, or send a link to a copy of themselves in the body of a message. In these cases the message needs to be convincing enough to encourage the victim to click on the link or attachment and run or download a copy of the worm.

Worm:Win32/Dorkbot.M is a worm - a self-propagating program that can spread itself from one computer to another. Worms may spread themselves via a variety of different channels in order to compromise new computers. Commonly, worms may spread directly by copying themselves to removable or network drives, or by attempting to exploit particular vulnerabilities on targeted computers. Worms also often attempt to spread via platforms that require user interaction in order to run. They may send themselves as an attachment to an email or an instant message, or send a link to a copy of themselves in the body of a message. In these cases the message needs to be convincing enough to encourage the victim to click on the link or attachment and run or download a copy of the worm.

Worm:Win32/Dorkbot.R is a worm - a self-propagating program that can spread itself from one computer to another. Worms may spread themselves via a variety of different channels in order to compromise new computers. Commonly, worms may spread directly by copying themselves to removable or network drives, or by attempting to exploit particular vulnerabilities on targeted computers. Worms also often attempt to spread via platforms that require user interaction in order to run. They may send themselves as an attachment to an email or an instant message, or send a link to a copy of themselves in the body of a message. In these cases the message needs to be convincing enough to encourage the victim to click on the link or attachment and run or download a copy of the worm.