Threat Description

Trojan: W32/Agent.AFB


Category: Malware
Type: TrojanRootkit
Platform: W32
Aliases: Trojan:W32/Agent.AFB, Trojan.Win32.Agent.afb


Trojan:W32/Agent.AFB is a trojan with rootkit functionality. It is usually associated with Adware programs.


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.

More scanning & removal options

More information on scanning or removal options is available in the documentation for your F-Secure security product on the Downloads section of our Home - Global site.

You may also refer to the Knowledge Base on the F-Secure Community site for more information.

Contact Support

For further assistance, F-Secure customers can request support online via the Request support or the Chat forms on our Home - Global site.

Technical Details

Trojan:W32/Agent.AFB may drop .DLL , .SYS or .EXE files as its component. It typically drops its components in the following locations on the infected machine:

  • Windows temporary folder
  • Windows Directory
  • Windows System Directory
  • Program files directory

The dropped .SYS file is a driver that is use to hide some registry entries. This is done by hooking several APIs related to registry operations.


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