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Trojan:Win32/Sefnit.CE

First posted on 27 May 2014.
Source: Microsoft

Aliases :

There are no other names known for Trojan:Win32/Sefnit.CE.

Explanation :

Threat behavior

Installation

Trojan:Win32/Sefnit.CE creates the following files on your PC:

• \dfrg\def_32_101.zip
• \dfrg\pkill.exe
• \dfrg\task_registrar.exe - detected as Trojan:Win32/Sefnit.CF
• \dfrg\upd.exe - detected as Trojan:Win32/Sefnit.CG
• c:\documents and settings\administrator\local settings\temp\1.txt
• c:\documents and settings\administrator\local settings\temp\nszf.tmp\inetc.dll
• c:\documents and settings\administrator\local settings\temp\nszf.tmp\nsisdl.dll
• c:\documents and settings\administrator\local settings\temp\nszf.tmp\nsisunz.dll
• c:\documents and settings\administrator\local settings\temp\nszf.tmp\nsrandom.dll
• c:\documents and settings\administrator\local settings\temp\nszf.tmp\utils_plugin.dll - detected as Trojan:Win32/Sefnit.CE

Payload

Contacts remote hosts

Trojan:Win32/Sefnit.CE may contact the following remote hosts using port 80:

• cloud.gridprocessing.net
• jobs2.gridprocessing.net

Commonly, malware does this to:

• Confirm Internet connectivity
• 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 43eee66eecde5385c57b946d79a6fa4e78e9d297.Symptoms

System changes

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

• You have these files:
  
  \dfrg\def_32_101.zip
  \dfrg\pkill.exe
  \dfrg\task_registrar.exe
  \dfrg\upd.exe
  c:\documents and settings\administrator\local settings\temp\1.txt
  c:\documents and settings\administrator\local settings\temp\nszf.tmp\inetc.dll
  c:\documents and settings\administrator\local settings\temp\nszf.tmp\nsisdl.dll
  c:\documents and settings\administrator\local settings\temp\nszf.tmp\nsisunz.dll
  c:\documents and settings\administrator\local settings\temp\nszf.tmp\nsrandom.dll
  c:\documents and settings\administrator\local settings\temp\nszf.tmp\utils_plugin.dll

Last update 27 May 2014

 

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