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TrojanDownloader:MSIL/Kilim.A


First posted on 18 March 2015.
Source: Microsoft

Aliases :

There are no other names known for TrojanDownloader:MSIL/Kilim.A.

Explanation :

Threat behavior

Installation
This threat can create files on your PC, including:

  • \001\regedit.exe


It modifies the registry so that it runs each time you start your PC. For example:

In subkey:HKLM\software\microsoft\windows\currentversion\run
Sets value: "Microsoft Host"
With data: "\001\regedit.exe"

Payload


Downloads malware or unwanted software

This threat can download other malware and unwanted software onto your PC.

Modifies system settings

This threat can make changes to the way your PC behaves. It can:
  • Disable Task Manager


Connects to a remote host

We have seen this threat connect to a remote host, including:
  • www.kor-ext.com using port 80
Malware can connect to a remote host to do any of the following:
  • Check for an Internet connection
  • Download and run files (including updates or other malware)
  • Report a new infection to its author
  • Receive configuration or other data
  • Receive instructions from a malicious hacker
  • Search for your PC location
  • Upload information taken from your PC
  • Validate a digital certificate


We have seen this threat access online content, including:

  • Regedit.exe


This malware description was published using automated analysis of file SHA1 c704b004bb8ef9f9edc28b0560e8528855f6695e.
Symptoms

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

  • You see a file similar to:
    • \001\regedit.exe
  • You see registry modifications such as:
    • In subkey: HKCU\software\microsoft\windows\currentversion\policies\system
      Sets value: "DisableTaskMgr"
      With data: "1"

    • In subkey: HKLM\software\microsoft\windows\currentversion\run
      Sets value: "Microsoft Host"
      With data: "\001\regedit.exe"

Last update 18 March 2015

 

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