Threat Description



Aliases: Rootkit:​W32/Agent.UI
Category: Malware
Type: Rootkit
Platform: W32


A program or set of programs which hides itself by subverting or evading the computer's security mechanisms, then allows remote users to secretly control the computer's operating system.


Automatic Disinfection

Allow F-Secure Anti-Virus to disinfect the relevant files.

For more general information on disinfection, please see Removal Instructions.

Technical Details

Rootkit:W32/Agent.UI creates a device named "\Device\IWEUFHKSEF" and sets up symbolic link named "\??\IWEUFHKSEF" to accept control codes from usermode programs.It removes all hooked addresses corresponding to all NTFuntions (which are implemented in Ntoskrnl.exe), then restores them to their original values.See the Hupigon.OGA description for additional details.


Suspect a file or URL was wrongly detected? Submit a sample to our Labs for analysis

Submit Now

Give And Get Advice

Give advice. Get advice. Share the knowledge on our free discussion forum.

Learn More