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You have been re-routed to the Trojan:Win32/Kovter.A write up because Trojan%3aWin32%2fKovter.A has been renamed to Trojan:Win32/Kovter.A
 

Trojan:Win32/Kovter.A


Trojan:Win32/Kovter.A is a malicious program that is unable to spread of its own accord. It may perform a number of actions of an attacker's choice on 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

Trojan:Win32/Kovter.A is a malicious program that is unable to spread of its own accord. It may perform a number of actions of an attacker's choice on an affected computer.
Installation
Trojan:Win32/Kovter.A creates the following files on an affected computer:

  • c:\documents and settings\administrator\local settings\application data\kb4400803\kb4400803.exe
Payload
Contacts remote hosts
Trojan:Win32/Kovter.A may contact the following remote hosts using port 80:

  • coners.biz
  • google.com
  • saroma.tk

Commonly, malware may contact a remote host for the following purposes:
  • To confirm Internet connectivity
  • 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 c88940ddfd7d955f92712ecfabfe4b5166d74d54.

Symptoms

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

  • The presence of the following files:

  • c:\documents and settings\administrator\local settings\application data\kb4400803\kb4400803.exe


Prevention


Alert level: Severe
First detected by definition: 1.143.2540.0
Latest detected by definition: 1.175.468.0 and higher
First detected on: Feb 18, 2013
This entry was first published on: Mar 01, 2013
This entry was updated on: Mar 14, 2013

This threat is also detected as:
No known aliases