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W32.Extrat RAT Activity attack blocked

Created: 17 Jun 2013 • Updated: 25 Jun 2013 | 2 comments
julrendo's picture
This issue has been solved. See solution.


Currently a computer of my company is generating attacks which are detailed in the attachment, executed a full scan did not detect any risk,

can tell me what else I can do since this computer continues with these events

thank you very much

Operating Systems:

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ᗺrian's picture

What website is this machine trying to access? Being a 172.x.x.x IP address, is this internal?

I would suggest blocking access to that IP address/website. It is possible that the website has been hacked and it now serving up malware to anyone who visits.

SEP is doing it's job by blocking it and if you already ran a scan and found nothing than the machine should be OK. Just avoid going to that website.

If it is internal, than that remote IP needs to be scanned as well.

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Mithun Sanghavi's picture


I believe you had a similar issue in the past -

W32.Extrat RAT Activity is a worm which may inject itself into iexplore.exe, or any customizable process.

As per the Logs, IPS signatures is detecting this worm. 

I would suggest you to follow the below Plan of Action:

1) Make sure you have client machine pb0l0514388 updated with Latest Microsoft Secuirty Patches / Sevice Packs.

You could you do this by running the MBSA (Microsoft Baseline Security Analyzer) from the site below:

2) Make sure it is installed with Symantec EP with latest / updated with virus defintions.

3) Remove the client machine from the network and Run a Full scan on the client machine.

Hope that helps!!

Mithun Sanghavi
Associate Security Architect


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