The following instructions have been created to help you to get rid of "Win32.Agent.bxx.rtk" manually.
Use this guide at your own risk; software should usually be better suited to remove malware, since it is able to look deeper.

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Threat Details:

  • trojan

The trojan installs a service called runtime2.sys which hides itself, the registry keys and a connection to the internet from Windows API (rootkit activity). If you need help removing this threat, please contact Team Spybot S&D via forums or email.
Removal Instructions:


Important: There are more files that cannot be safely described in simple words. Please use Spybot-S&D to remove them.


You can use regedit.exe (included in Windows) to locate and delete these registry entries.
  • Delete the registry key "Serenta" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\".
  • Remove ",<$WINDIR>\SERVICES.EXE" from registry value "Userinit" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\".
If Win32.Agent.bxx.rtk uses rootkit technologies, use our RegAlyzer, RootAlyzer or our Total Commander anti-rootkit plugins.

Final Words:

If neither Spybot-S&D nor self help did resolve the issue or you would prefer one on one help,
  1. Please read these instructions before requesting assistance,
  2. Then start your own thread in the Malware Removal Forum where a volunteer analyst will advise you as soon as available.