Published May 10, 2007 | Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: Win32/Vundo!generic (CA) W32/Virtumonde.TY (Norman) Adware.VirtuMonde (Symantec)


Trojan:Win32/Vundo.K is a DLL component that installs itself as a Browser Helper Object and generates popup ads on the user's desktop. The component is injected into explorer.exe by its dropper. The ads may pop up as a visible or hidden window. Trojan:Win32/Vundo.K is packed with a modified version of UPX
Use up-to-date antivirus software
It is best to use an automatic recovery method such as the Microsoft Malicious Software Removal Tool ( or the Microsoft Safety Scanner at the Microsoft Safety Scanner (
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