Zusha

Classification

Malware

Virus

W32

Worm.Win32.Zusha.b, TrojanDownloader.Win32.Agent.co, Trojan.Win32.Small.aq, Worm.Win32.Zusha.a

Summary

Zusha worm (both A and B variants) were found on September 8th, 2004. Zusha is a network worm that spreads using LSASS (MS04-011) exploit. It also downloads and runs additional files from the Internet. These files are downloaders, they can also kill firewall application processes in memory and modify Windows firewall configuration to bypass the built-in firewall. In addition, a backdoor component is dropped and activated on the infected systems.

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.

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Knowledge Base

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User Guide

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Submit a sample

Submit a file or URL for further analysis.

Technical Details

N/A

Date Created: 2006-01-01 09:01:38.0

Date Last Modified: 2006-01-01 00:00:00.0