Sunday, 23 September 2012

How to remove 2A.exe virus

Associated Malware Groups

The unsafe files using this name are associated with the malware group:
  • Cloaked Malware

File Behavior

2A.EXE has been seen to perform the following behavior:
  • The Process is packed and/or encrypted using a software packing process
  • Executes Processes stored in Temporary Folders
  • This process creates other processes on disk
  • Executes a Process
  • Copies files
  • Found on infected systems and resists interrogation by security products
  • Uses low level functions to hide itself from the user and from system/security processes

2A.EXE has been the subject of the following behavior:
  • Created as a process on disk
  • Executed as a Process
  • Deleted as a process from disk
  • Has code inserted into its Virtual Memory space by other programs
  • Added as a Registry auto start to load Program on Boot up

Country Of Origin

The filename 2A.EXE was first seen on Sep 14 2007 in the following geographical regions of the Prevx community:
  • INDIA on Sep 14 2007
  • The UNITED KINGDOM on Mar 20 2008
  • SPAIN on Mar 20 2008

File Name Aliases

2A.EXE can also use the following file names:
  • 74485072.DAT
  • 2A[1].EXE
  • 21A[1].EXE
  • 21A.EXE
  • 80252576.SVD
  • 94848593.EXE
  • 62952696.EXE
  • 77975704.EXE

File sizes

The following file size has been seen:
  • 2,048 bytes
  • 17,408 bytes
  • 14,954,975 bytes
  • 309,157 bytes
  • 282,080 bytes

Vendor, Product and Version Information

Files with the name 2A.EXE have been seen to have the following Vendor, Product and Version Information in the file header:
  • Macromedia, Inc.; Macromedia Flash Player 7.0 r14; 7,0,14,0

File Type

The filename 2A.EXE refers to many versions of an executable program.

File Activity

One or more files with the name 2A.EXE creates, deletes, copies or moves the following files and folders:
  • Creates c:\docume~1\user\locals~1\temp\DXDLG.EXE
  • Copies filec:\docume~1\user\locals~1\temp\DXDLG.EXE to c:\Privilege.dat
  • Moves c:\Privilege.dat to c:\windows\system32\DXDLG.EXE
  • Creates c:\docume~1\user\locals~1\temp\D3D9_32.DLL
  • Copies filec:\docume~1\user\locals~1\temp\D3D9_32.DLL to c:\windows\system32\D3D9_32.DLL
  • Creates c:\docume~1\user\locals~1\temp\D3D9_64.DLL
  • Copies filec:\docume~1\user\locals~1\temp\D3D9_64.DLL to c:\windows\system32\D3D9_64.DLL
  • Creates c:\windows\system32\

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