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PWS:Win32/Mujormel.E


First posted on 23 December 2014.
Source: Microsoft

Aliases :

There are no other names known for PWS:Win32/Mujormel.E.

Explanation :

Threat behavior

Installation

This threat can create files on your PC, including:

  • %APPDATA%\identities\igfxpers.exe


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

In subkey: HKCU\software\microsoft\windows\currentversion\run
Sets value: "Intel(R) Common User Interface"
With data: ""%APPDATA%\identities\igfxpers.exe""

Payload

Changes Windows settings

This threat disables the appearance of thumbnails of programs when you hover your mouse over their icon in the taskbar.

It does this by modifying the registry entry:

In subkey: HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
Sets value: "TaskbarNoThumbnail"
With data: "1"

Modifies system settings

This threat can make changes to the way your PC behaves. It can:



  • Stop alerts when programs try to make changes to your PC.



Connects to a remote host

We have seen this threat connect to a remote host, including:
  • 23vhbbsahjbyasudhsndd98sdb234v.ddns.net using TCP port 8090
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






This malware description was published using automated analysis of file SHA1 6cc480170cb3f45ea36c017ed9f743a3a456d100.

Symptoms

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

  • You see these files:
    • %APPDATA%\identities\igfxpers.exe
  • You see registry modifications such as:
    • In subkey: HKCU\software\microsoft\windows\currentversion\run
      Sets value: "Intel(R) Common User Interface"
      With data: ""%APPDATA%\identities\igfxpers.exe""

    • In subkey: HKCU\software\microsoft\windows\currentversion\policies\system
      Sets value: "EnableLUA"
      With data: "0"

Last update 23 December 2014

 

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