CN911.EXE - Dangerous

What you should do about CN911.EXE:

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Your PC is infected. The file called CN911.EXE is considered unsafe and there may be other infections on your PC.


You should urgently check your PC and remove any malicious software including CN911.EXE as soon as possible. The free version of Prevx CSI will scan your PC for millions of spyware and malware infections in less than 2 minutes. Don't take the risk, check your PC now by clicking the green button.

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What we know about CN911.EXE:

The filename CN911.EXE was first seen on Jun 4 2007 in MEXICO. It has also been seen in the following geographical regions of the Prevx community:

  • The UNITED KINGDOM on Jun 5 2007
  • ITALY on Jun 14 2007
  • The UNITED STATES on Feb 23 2008
  • SPAIN on Feb 23 2008
The filename CN911.EXE refers to many versions of an executable program.

The most common file size is 26,624 bytes. But the following file sizes have also been seen:

  • 18,432 bytes
  • 1,216,512 bytes
  • 326,144 bytes
  • 167,936 bytes

The filename is associated with the malware group Downloader.Generic3.VQC.Some files using the name CN911.EXE are also associated with the malware group:
  • Win32/Grum.B
 These files have no vendor, product or version information specified in the file header.

CN911.EXE has been seen to perform the following behavior(s):

  • The Process is packed and/or encrypted using a software packing process
  • Executes a Process
  • This Process Creates Other Processes On Disk
  • Writes to another Process's Virtual Memory (Process Hijacking)
  • Violates Windows/Vista Physical Memory Protection allowing it to look inside the data areas of other programs
  • This Process Deletes Other Processes From Disk
  • Registers a Dynamic Link Library File
  • Can communicate with other computer systems using HTTP protocols
  • Adds a Registry Key (RUN) to auto start Programs on system start up
  • Executes Processes stored in Temporary Folders

CN911.EXE has been the subject of the following behavior(s):

  • Executed as a Process
  • Deleted as a process from disk
  • Created as a process on disk
  • Terminated as a Process
  • Has code inserted into its Virtual Memory space by other programs
  • Added as a Registry auto start to load Program on Boot up
  • Created as a new Background Service on the machine
  • Copied to multiple locations on the system
  • Executed by Internet Explorer

CN911.EXE can also use the following file names:

  • INTERNT.EXE
  • A0011671.EXE
  • UNP156730059.TMP
  • UNP89265263.TMP
  • TRZA.TMP
  • 18722389.EXE
  • 97247122.EXE
  • INTÊ£‹ERNT.EX
  • ODBCJET.EXE
  • A0026840.EXE
  • DC4.EXE
  • DC6.EXE
  • NB[1].EXE
  • NB[2].EXE
  • _CERVER.EXE
  • NB[3].EXE
  • 31600539.SVD
  • CERVER.EXE