Microsoft security software detects and removes this threat.

Exploit:HTML/IframeRef.Z is a specially-formed IFrame that redirects you to websites containing other malware.

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 for more help.

Threat behavior

You might encounter this exploit when you visit a website that already contains other malware.

In the wild, Exploit:HTML/IframeRef.Z redirects you to any of the following possibly malicious websites:


Analysis by Ric Robielos


Alerts from your security software may be the only symptom.


Alert level: Severe
First detected by definition: 1.109.967.0
Latest detected by definition: 1.161.1207.0 and higher
First detected on: Aug 03, 2011
This entry was first published on: Aug 03, 2011
This entry was updated on: Jan 27, 2014

This threat is also detected as:
No known aliases