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PWS:Win32/Mujormel.A

First posted on 30 May 2014.
Source: Microsoft

Aliases :

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

Explanation :

Threat behavior

Installation

PWS:Win32/Mujormel.A copies itself to c:\documents and settings\administrator\local settings\temp\winexecut.exe. The malware changes the following registry entries so that it runs each time you start your PC:

In subkey: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Sets value: "eõlomfaùmkbdlkaa"
With data: "c:\documents and settings\administrator\local settings\temp\winexecut.exe" The malware creates the following files on your PC:

• c:\documents and settings\administrator\local settings\temp\cprepet.tl

Payload

Contacts remote host

PWS:Win32/Mujormel.A might contact a remote host at smtps.uol.com.br using port 587. 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 a0d722361eeb8cf1984aeec5a1834e8b9101c580.Symptoms

System changes

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

• You have these files:
  
  c:\documents and settings\administrator\local settings\temp\cprepet.tl
  c:\documents and settings\administrator\local settings\temp\winexecut.exe

• You see these entries or keys in your registry:
  
  Sets value: "eõlomfaùmkbdlkaa"
  With data: "c:\documents and settings\administrator\local settings\temp\winexecut.exe"
  In subkey: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Last update 30 May 2014

 

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