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You have been re-routed to the TrojanDownloader:Win32/Cordmix.A write up because TrojanDownloader%253aWin32%252fCordmix.A has been renamed to TrojanDownloader:Win32/Cordmix.A
 

TrojanDownloader:Win32/Cordmix.A


TrojanDownloader:Win32/Cordmix.A is a trojan that silently downloads and installs other programs without consent. This could include the installation of additional malware or malware components to an affected computer.


What to do now

To detect and remove this threat and other malicious software that may have been installed in your computer, run a full-system scan with an up-to-date antivirus product such as the following: For more information about using antivirus software, see http://www.microsoft.com/windows/antivirus-partners/.

Threat behavior

TrojanDownloader:Win32/Cordmix.A is a trojan that silently downloads and installs other programs without consent. This could include the installation of additional malware or malware components to an affected computer.
Installation
When executed, TrojanDownloader:Win32/Cordmix.A copies itself to the following locations:

  • %programfiles%\common files\datacardservice\dcservice.exe
  • c:\documents and settings\administrator\application data\datacardservice\dcservice.exe

The malware creates the following files on an affected computer:

  • c:\documents and settings\administrator\application data\msgslang.db
Payload
Contacts remote host
TrojanDownloader:Win32/Cordmix.A may contact a remote host at kullywolf.gicp.net using port 8088. Commonly, malware may contact a remote host for the following purposes:
  • To report a new infection to its author
  • To receive configuration or other data
  • To download and execute arbitrary files (including updates or additional malware)
  • To receive instruction from a remote attacker
  • To upload data taken from the affected computer

This malware description was produced and published using our automated analysis system's examination of file SHA1 bf0be7b33bd0e1908f39c125947cecb6cd78c1fe.

Symptoms

System changes
The following system changes may indicate the presence of this malware:

  • The presence of the following files:

  • %programfiles%\common files\datacardservice\dcservice.exe
    c:\documents and settings\administrator\application data\msgslang.db
    c:\documents and settings\administrator\application data\datacardservice\dcservice.exe


Prevention


Alert level: Severe
First detected by definition: 1.115.1554.0
Latest detected by definition: 1.179.307.0 and higher
First detected on: Nov 09, 2011
This entry was first published on: Nov 21, 2011
This entry was updated on: Nov 22, 2011

This threat is also detected as:
  • Trojan-Downloader.Win32.Small.bzxu (Kaspersky)