TrojanDownloader:Win32/Matcash.B is a Trojan that connects to a remote site and downloads and executes arbitrary files. In the wild, this Trojan has been observed to download and install additional malicious and unwanted applications on the affected machine.

Trojan:Win32/Virtumonde.P is a threat that exists on a computer as a dynamic link library (DLL) that delivers 'out of context' pop-up advertisements for anti-spyware programs. It may connect to a remote web server to download updates or other arbitrary files, and use stealth methods to make it difficult to remove. 

Trojan:Win32/Vundo.X is a trojan that exists as a Browser Helper Object (BHO). Win32/Vundo.X falsely reports problems with the computer, in order to convince users to purchase a promoted product. It may connect to a remote web server to download updates or other arbitrary files, and use stealth methods to make it difficult to remove. 

This program was detected by definitions prior to 1.175.1915.0 as it violated the guidelines by which Microsoft identified unwanted software. Based on analysis using current guidelines, the program does not have unwanted behaviors.

Trojan:Win32/Vundo.gen!C is a generic detection for a multi-component family of programs that deliver 'out of context' pop-up advertisements to the computer on which they are installed and may download and execute arbitrary files. Win32/Vundo.gen!C may exist on a computer as a dynamic link library (DLL) or as an executable. Some variants function as Browser Helper Objects (BHOs). It may also use defensive methods to make itself difficult to remove from the affected machine.

Trojan:Win32/C2Lop is a trojan that modifies Web browser settings, adds Web browser bookmarks to advertisements, updates itself and delivers pop-up and contextual advertisements. 

This program was detected by definitions prior to 1.175.2037.0 as it violated the guidelines by which Microsoft identified unwanted software. Based on analysis using current guidelines, the program does not have unwanted behaviors.

This program was detected by definitions prior to 1.175.2037.0 as it violated the guidelines by which Microsoft identified unwanted software. Based on analysis using current guidelines, the program does not have unwanted behaviors.