Sophos

Troj/DwnLdr-FZZ

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 1 February 2007 10:12:04 (GMT)
Detected by All Sophos products
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Action

More Information

Troj/DwnLdr-FZZ is a downloader Trojan for the Windows platform.

When run Troj/DwnLdr-FZZ creates the following files:
<Windows>\asver.ger
<Windows>\ftp.txt

The files asver.ger and ftp.txt are not malicious and can be safely deleted.

Troj/DwnLdr-FZZ includes functionality to:

- modify the HOSTS file
- download code via FTP

Troj/DwnLdr-FZZ also creates the following files:

<Windows>\initial.bat - detected as Troj/DwnLdr-FZZ
<Windows>\svc.bat - detected as Troj/DwnLdr-FZZ
<System>\win32.bat - detected as Troj/DwnLdr-FZZ

The following registry entry is set to run Troj/DwnLdr-FZZ on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce
PC2X
<Windows>\initial.bat

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