Home / malware

PDF

Trojan:Win32/Kilim.A

First posted on 19 February 2014.
Source: Microsoft

Aliases :

There are no other names known for Trojan:Win32/Kilim.A.

Explanation :

Threat behavior

Installation

Trojan:Win32/Kilim.A creates the following files on your PC:

• %windir%\adobeflash\mz
• %windir%\adobeflash\player.exe - detected as Trojan:Win32/Kilim.A
• %windir%\adobeflash\update.xml
• c:\documents and settings\administrator\local settings\temp\king.txt
• c:\documents and settings\administrator\local settings\temp\rarsfx0\player.exe - detected as Trojan:Win32/Kilim.A

The malware modifies the following registry entry so that it runs each time you start your PC: Sets value: "AdobeFlashUpdateManager"
With data: "c:\windows\adobeflash\player.exe"
In subkey: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Payload

Changes system security settings

Trojan:Win32/Kilim.A disables the Least Privileged User Account (LUA), also known as the ?administrator in Admin Approval Mode? user type. It does this by making the following registry modifications:

Sets value: "EnableLUA"
With data: "0"
In subkey: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System

Note: Disabling the LUA allows all applications to run by default with all administrative privileges. You won't be asked for explicit consent. Contacts remote host

The malware might contact a remote host at sosyalmsn.com using port 80. Commonly, malware does this to:

• Report a new infection to its author
• Receive configuration or other data
• Download and run files, including updates or other malware
• Receive instructions from a remote hacker
• Upload data taken from your PC

This malware description was produced and published using automated analysis of file SHA1 f5b870118f5604e52bb677116ecec362179a6484.Symptoms

System changes

The following could indicate that you have this threat on your PC:

• You have these files:
  
  %windir%\adobeflash\mz
  %windir%\adobeflash\player.exe
  %windir%\adobeflash\update.xml
  c:\documents and settings\administrator\local settings\temp\king.txt
  c:\documents and settings\administrator\local settings\temp\rarsfx0\player.exe

• You see these entries or keys in your registry:
  
  
  Sets value: "AdobeFlashUpdateManager"
  With data: "c:\windows\adobeflash\player.exe"
  In subkey: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
  
  Sets value: "EnableLUA"
  With data: "0"
  In subkey: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System

Last update 19 February 2014

 

TOP