You have been re-routed to the Trojan:Win32/Malagent write up because Trojan%3aWin32%2fMalagent has been renamed to Trojan:Win32/Malagent


Microsoft security software detects and removes this threat.

Trojan:Win32/Malagent is a detection for malware that shows malicious behavior.

Find out ways that malware can get on your PC.

What to do now

The following free Microsoft software detects and removes this threat:

Even if we've already detected and removed this particular threat, running a full scan might find other malware that is hiding on your PC.

You can also visit the Microsoft virus and malware community or our advanced troubleshooting page for more help.

If you’re using Windows XP, see our Windows XP end of support page.

Threat behavior

Malware detected as Trojan:Win32/Malagent may display a combination of the following behaviors:

  • Downloading and running files
  • Changing protected system registry values
  • Hiding in protected operating system locations
  • Creating remote threads in external processes


Alerts from your security software may be the only symptom.


Alert level: Severe
First detected by definition:
Latest detected by definition: 1.173.413.0 and higher
First detected on: Oct 07, 2008
This entry was first published on: Dec 18, 2007
This entry was updated on: Apr 14, 2014

This threat is also detected as:
No known aliases