Windows Defender detects and removes this threat.

This family of worms can steal your user names and passwords by watching what you do online. They can also download other malware and stop you from visiting security-related websites. Some variants can use your PC in a denial of service (DoS) attack.

They spread via infected USB flash drives, or in a malicious link sent though instant messaging programs and social networks.

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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.

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Worm:Win32/Wootbot.EI is a worm that includes a backdoor component, which connects to an IRC server and awaits commands from remote attackers. For example, an attacker can send a command to distribute the worm to other computers by exploiting a vulnerability in the Windows service LSASS, described in Microsoft Security Bulletin MS04-011.

Microsoft security software detects and removes this worm.

Worms automatically spread to other PCs. Typically, this threat gets installed onto your PC through other worms when you visit a compromised webpage.

This is a generic detection for malicious .INF and .LNK files dropped by different worms, such as IRCBot, Phorpiex, Dorkbot, Caphaw, etc.

Find out ways that malware can get on your PC.