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SoftwareBundler:Win32/InstallMonster


First posted on 16 October 2015.
Source: Microsoft

Aliases :

There are no other names known for SoftwareBundler:Win32/InstallMonster.

Explanation :

Threat behavior

Installation
This program is a software bundler that can install third-party software. We have seen it bundling other applications as it installs software. See the following sample screenshots: It can make various registry changes during its installation, including:

In subkey: HKLM\Software\Classes\CLSID\{C379EAD1-CB34-4B09-AF6B-7E587F8BCD80}\LocalServer32
Sets value: "(default)"
With data: ""

In subkey: HKLM\Software\Classes\.DynamicNS\Clsid
Sets value: "(default)"
With data: "{c379ead1-cb34-4b09-af6b-7e587f8bcd80}"



Payload


Connects to a remote host

We have seen this threat connect to a remote host, including:

  • d15s6fp44gckh76.midjewejes.ru
  • 9i7ffdgvffibow7.vrnserver.ru
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




Additional information

Creates a mutex

This threat can create one or more mutexes on your PC. For example:

  • MutexNPA_UnitVersioning_3184


It might use this mutex as an infection marker to prevent more than one copy of the threat running on your PC.



This malware description was published using automated analysis of file SHA1 d1849a01f6717065d218fbeab8f79b185fdb3a93.

Symptoms

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

  • You see registry modifications such as:
    • In subkey: HKLM\Software\Classes\CLSID\{C379EAD1-CB34-4B09-AF6B-7E587F8BCD80}\LocalServer32
      Sets value: "(default)"
      With data: ""

    • In subkey: HKLM\Software\Classes\.DynamicNS\Clsid
      Sets value: "(default)"
      With data: "{c379ead1-cb34-4b09-af6b-7e587f8bcd80}"

  • You see the following mutex:
    • MutexNPA_UnitVersioning_3184

  • You see the following user interface:










Last update 16 October 2015

 

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