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TrojanDownloader:Win32/Kuluoz.F


TrojanDownloader:Win32/Kuluoz.F 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/Kuluoz.F 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/Kuluoz.F copies itself to c:\documents and settings\all users\application data\acc94c608785e9de0000acc89f9ef0e7\acc94c608785e9de0000acc89f9ef0e7.exe.

The malware creates the following files on an affected computer:

  • c:\documents and settings\all users\application data\acc94c608785e9de0000acc89f9ef0e7\acc94c608785e9de0000acc89f9ef0e7.ico
Payload
Contacts remote host
TrojanDownloader:Win32/Kuluoz.F may contact a remote host at 103.4.225.41 using port 80. 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 34e89dbdf21dfbefb35066d610da633956128e87.

Symptoms

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

  • The presence of the following files:

  • c:\documents and settings\all users\application data\acc94c608785e9de0000acc89f9ef0e7\acc94c608785e9de0000acc89f9ef0e7.exe
    c:\documents and settings\all users\application data\acc94c608785e9de0000acc89f9ef0e7\acc94c608785e9de0000acc89f9ef0e7.ico


Prevention


Alert level: Severe
This entry was first published on: Nov 10, 2012
This entry was updated on: Nov 13, 2012

This threat is also detected as:
No known aliases