Virus Profile: Generic Downloader.x!DD9AD976EA8D

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 8/23/2013
Date Added: 8/23/2013
Origin: Unknown
Length: 217464
Type: Trojan
Subtype: -
DAT Required: 7176
Removal Instructions
   
 
 
   

Description

This is a Trojan detection. Unlike viruses, Trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include e-mail, malicious or hacked Web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.

Indication of Infection

This symptoms of this detection are the files, registry, and network communication referenced in the characteristics section.

Methods of Infection

Trojans do not self-replicate. They are spread manually, often under the premise that the executable is something beneficial. Distribution channels include IRC, peer-to-peer networks, newsgroup postings, e-mail, etc.

   

Virus Characteristics

This is a Trojan

File PropertiesProperty Values
Length217464 bytes
MD5dd9ad976ea8dd46df7e23f8cc2bb2dab
SHA1576a31080612fe391910f2a8768c183bd71cd07a



System Changes

Some path values have been replaced with environment variables as the exact location may vary with different configurations.
e.g.
%WINDIR% = \WINDOWS (Windows 9x/ME/XP/Vista/7), \WINNT (Windows NT/2000)
%PROGRAMFILES% = \Program Files


The following files were analyzed:

Unknown

The following files have been added to the system:

  • %WINDIR%\SYSTEM32\dumpkernel.exe
  • %TEMP%\sqlserver.exe
  • %USERPROFILE%\Start Menu\Programs\Startup\Update.bat
  • %TEMP%\tttbrozzz.bat

The following files were temporarily written to disk then later removed:

  • %TEMP%\Server32History.dat
  • %TEMP%\576A31080612FE3919[private subnet]C183BD71CD07A
  • %TEMP%\tttdelzzz.bat

The following registry elements have been changed:

  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\KERNELFAULTEX = %WINDIR%\SYSTEM32\dumpkernel.exe

   

Please use the following instructions for all supported versions of Windows:


1. Disable Windows System Restore. For instructions, please refer to: http://www.mcafee.com/us/downloads/free-tools/disabling-system-restore.aspx

2. Update your McAfee Anti-Virus product to the latest version (when possible), and ensure the latest DAT and Engine and any applicable EXTRA.DATs are installed.

3. Run a full system scan. (On-Demand Scan)

4. Reboot, as soon as it is convenient, to ensure all malicious components are removed.

   

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