Windows Defender Antivirus detects and removes this threat.

This worm can stop some processes from working on your PC. It can also delete your system restore points.

It spreads through malicious links in instant messages sent through Yahoo Messenger and Google Talk. It can also spread through network or removable drives, such as USB flash drives.

Windows Defender Antivirus detects and removes this threat.

This worm attempts to connect to a remote server and provide backdoor access, which means it could perform a large number of malicious activities on your computer.

Worm:Win32/Autorun.XEY 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. Variants of Worm:Win32/Autorun usually spread using methods that include, but may not be limited to, copying themselves to removable or network drives, and placing an autorun.inf file in the root directory of each affected drive in an attempt to ensure that the worm is run when the removable drive is attached, or the network drive is visited from a remote system supporting the Autorun feature.

Worm:Win32/Nuqel.BO 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.

Microsoft security software detects and removes this worm.

Worms automatically spread to other PCs. They can do this in a number of ways, including by copying themselves to removable drives, network folders, or spreading through email.

Find out ways that malware can get on your PC.