Windows Defender Antivirus detects and removes this threat.

 

Win32/Horst is a collection of discrete trojan components that perform various tasks. The initial downloading component may be distributed passively via the eMule/eDonkey peer to peer network. The initial downloading component downloads and installs a second downloader component. This second downloader is responsible for installing the various other functional components of the Horst family. Many of the Horst components are designed to send spam.

TrojanDownloader:Win32/Horst.S is a member of Win32/Horst - a collection of discrete trojan components that perform various tasks. The initial downloading component may be distributed passively via the eMule/eDonkey peer to peer network. The initial downloading component downloads and installs a second downloader component. This second downloader is responsible for installing the various other functional components of the Horst family. Many of the Horst components are designed to send spam.

Trojan:Win32/Horst.gen!B is a generic detection for a group of trojans that manipulates the web interfaces for free online e-mail service providers, such as Yahoo, AOL, Gmail and Hotmail, with the intention of registering e-mail accounts that can be utilized to send spam.

Win32/Horst is a collection of discrete trojan components that perform various tasks. The initial downloading component may be distributed passively via the eMule/eDonkey peer to peer network. The initial downloading component downloads and installs a second downloader component. This second downloader is responsible for installing the various other functional components of the Horst family. Many of the Horst components are designed to send spam.

TrojanDownloader:Win32/Horst.H is a trojan downloader component of the Horst malware family.

Trojan:Win32/Horst.gen!D is a component of the greater Win32/Horst family. Many of the Horst components are associated with sending spam. This particular component, however, is used to distribute the Horst family's initial downloading component via the eDonkey/eMule peer-to-peer file sharing networks.

TrojanDownloader:Win32/Horst.Q is the trojan downloader component of the Win32/Horst malware family. It connects to certain websites to download arbitrary files, which may be other malware.

Trojan:Win32/Horst.gen!C is a peer-to-peer file sharing component of the multiple-component Win32/Horst family. Files detected by this signature may be used to establish a peer-to-peer connection with other infected systems via the eDonkey/eMule P2P file sharing networks. This connection can then be used to download and execute files from, or distribute them to, the other affected systems. It may also be used to attempt to spread other Horst components to eDonkey/eMule users. Many of the components distributed by Horst are associated with sending spam.