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Trojan:Win32/Pirminay.A

First posted on 22 May 2014.
Source: Microsoft

Aliases :

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

Explanation :

Threat behavior

Installation

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

• \kbdcanj.exe
• c:\documents and settings\administrator\local settings\temp\~unins375.bat

Note: refers to a variable location that is determined when the malware queries your operating system. The default installation location for the system folder for Windows 2000 and NT is C:\Winnt\System32; and for XP, Vista, and 7 is C:\Windows\System32. The malware deletes the original copy of the worm by making the following registry change:

Sets value: "PendingFileRenameOperations"
With data: ".exe"
In subkey: HKLM\SYSTEM\CurrentControlSet\Control\Session Manager

Payload

Contacts remote host

Trojan:Win32/Pirminay.A might contact a remote host at 18.107.138.200 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 3c7fdcb8fa25badc6309840f868c0ee544cd82c9.Symptoms

System changes

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

• You have these files:
  
  \kbdcanj.exe
  c:\documents and settings\administrator\local settings\temp\~unins375.bat

• You see these entries or keys in your registry:
  
  Sets value: "PendingFileRenameOperations"
  With data: ".exe"
  In subkey: HKLM\SYSTEM\CurrentControlSet\Control\Session Manager

Last update 22 May 2014

 

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