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Trojan:Win32/Puawn.A

First posted on 27 May 2014.
Source: Microsoft

Aliases :

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

Explanation :

Threat behavior

Installation

Trojan:Win32/Puawn.A creates the following files on your PC:

• %programfiles%\yahun\poaaa\alkoid.vbs
• %programfiles%\yahun\poaaa\iosdbfvadj.jka
• %programfiles%\yahun\poaaa\mirniatom.bat
• %programfiles%\yahun\poaaa\uninstall.exe
• %programfiles%\yahun\poaaa\uninstall.ini
• c:\documents and settings\administrator\local settings\temp\$inst\2.tmp
• c:\documents and settings\administrator\local settings\temp\$inst\temp_0.tmp

Payload

Changes Hosts file

Trojan:Win32/Puawn.A changes the Windows Hosts file. Malware sometimes does this to redirect URLs to different IP addresses, often to stop you from accessing security-related websites. Contacts remote host

The malware might contact a remote host at 23.252.124.137 using port 80. 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 88c7588cffee29af30ac28c4f6ef5882ee2f2347.Symptoms

System changes

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

• You have these files:
  
  %ProgramFiles%\yahun\poaaa\alkoid.vbs
  %ProgramFiles%\yahun\poaaa\iosdbfvadj.jka
  %ProgramFiles%\yahun\poaaa\mirniatom.bat
  %ProgramFiles%\yahun\poaaa\uninstall.exe
  %ProgramFiles%\yahun\poaaa\uninstall.ini
  c:\documents and settings\administrator\local settings\temp\$inst\2.tmp
  c:\documents and settings\administrator\local settings\temp\$inst\temp_0.tmp

Last update 27 May 2014

 

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