Worm:W32/NetSky.L

Classification

Malware

Email-Worm

W32

NetSky.L, W32/Netsky.L, I-Worm.Netsky.l

Summary

Another Netsky variant discovered on March 10th 2004. It drops itself as AVprotect.exe to Windows directory.

Removal

Automatic action

Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.

Eliminating a Local Network Outbreak

If the infection is in a local network, please follow the instructions on this webpage:

Find out more

Knowledge Base

Find the latest advice in our Community Knowledge Base.

User Guide

See the user guide for your product on the Help Center.

Contact Support

Chat with or call an expert for help.

Submit a sample

Submit a file or URL for further analysis.

Technical Details

This new variant is a stripped down version, just containing a minimum set of features and with no comments on the ongoing virus war.

It will create the following key to point to itself:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"HtProtect" = %sysdir%\AVprotect.exe

And create a mutex named "Rabbo" so it's not run more than once.

Email Spreading

It will spread using any of the following subjects:

Re: Important
Re: Your document
Re: Your details
Re: Approved

With message bodies from the list:

Your file is attached.
Please read the document.
Your document is attached.
Please read the attached file.
Please see the attached file for details.

And with attachment names from:

your_file_%s.pif
details_%s.pif
document_%s.pif

Where '%s' will be substituted by a text string.

Date Created: -

Date Last Modified: -