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Trojan:Win32/Mustrat.A

First posted on 24 January 2014.
Source: Microsoft

Aliases :

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

Explanation :

Threat behavior Trojan:Win32/Mustrat.A is a malicious program that is unable to spread of its own accord. It may perform a number of actions of an attacker's choice on an affected computer.

Installation

Trojan:Win32/Mustrat.A copies itself to c:\documents and settings\administrator\local settings\temp\windows\winsys.exe. The malware creates the following files on your PC:

• \libcurl-4.dll
• \pthreadgc2.dll
• \zlib1.dll

Payload

Contacts remote host

Trojan:Win32/Mustrat.A might contact a remote host at us3.wemineltc.com using port 3334. 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 a347376919a2f81c8eec48df5ae390c0d7ed8676.Symptoms

System changes

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

• You have these files:
  
  \libcurl-4.dll
  \pthreadgc2.dll
  \zlib1.dll
  c:\documents and settings\administrator\local settings\temp\windows\winsys.exe

Last update 24 January 2014

 

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