We're gradually updating threat actor names in our reports to align with the new weather-themed taxonomy. Learn about Microsoft threat actor names
Trojan:Win32/Vundo.gen!A
Detected by Microsoft Defender Antivirus
Aliases: Trojan.Vundo (Symantec)
Summary
Trojan:Win32/Vundo.gen!A 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. Vundo 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.
Manual removal is not recommended for this threat. Use Microsoft Security Essentials or another up-to-date scanning and removal tool to detect and remove this threat and other unwanted software from your computer. For more information on Microsoft security products, see http://www.microsoft.com/protect/products/computer/default.mspx.
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