Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Malware Dropper
- Cloaked Malware
- Malware Downloader
File Behavior
WEBSOFTCODECDRIVERN[n].EXE has been seen to perform the following behavior:
- Executes a Process
- Copies files
- Registers a Dynamic Link Library File
- Executes a process using Internet Explorer
- Enables an In Process Object/Server - Common with DLL Injections
- This Process Creates Other Processes On Disk
- This Process Deletes Other Processes From Disk
- Creates new folders in the file system
WEBSOFTCODECDRIVERN[n].EXE has been the subject of the following behavior:
- Executed as a Process
- Created as a process on disk
- Has code inserted into its Virtual Memory space by other programs
- Deleted as a process from disk
- Downloaded from covert web sites without the user knowing
- Terminated as a Process
Country Of Origin
The filename WEBSOFTCODECDRIVERN[n].EXE was first seen on Jun 8 2008 in the following geographical regions of the Prevx community:
- SPAIN on Jun 8 2008
- The UNITED KINGDOM on Jun 8 2008
- The EUROPEAN UNION on Sep 28 2008
- FRANCE on Sep 29 2008
File Name Aliases
WEBSOFTCODECDRIVERN[n].EXE can also use the following file names:
- T13.PHP
- 01C921819D83F1C0_T13_PHP.PE
- WEBSOFTCODECDRIVERN.0629-20.EXE
- MEDIA.PHP
- WEBSOFTCODECDRIVERN[1].EXE
- 61672693.DAT
- WEBSOFTCODECDRIVERN.0628-08.EXE
- 68147679.DAT
Filesizes
The following file size has been seen:
- 373,922 bytes
- 290,628 bytes
- 126,976 bytes
- 34,816 bytes
- 53,248 bytes
- 310,401 bytes
Vendor, Product and Version Information
These files have no vendor, product or version information specified in the file header.
File Type
The filename WEBSOFTCODECDRIVERN[n].EXE refers to many versions of an executable program.
File Activity
One or more files with the name WEBSOFTCODECDRIVERN[n].EXE creates, deletes, copies or moves the following files and folders:
- Creates c:\docume~1\user\locals~1\temp\ac8zt2\cscript.exe
- Deletes c:\docume~1\user\locals~1\temp\nsw7.tmp
- Creates c:\docume~1\user\locals~1\temp\nsw9.tmp
- Deletes c:\docume~1\user\locals~1\temp\nsmB.tmp
- Creates c:\docume~1\user\locals~1\temp\nsmb.tmp\blowfish_d.dll
- Creates c:\docume~1\user\locals~1\temp\ac8zt2\onfwbsak.dll
- Creates c:\docume~1\user\locals~1\temp\ac8zt2\dfmlxbpkqfv.dll
- Creates c:\docume~1\user\locals~1\temp\ac8zt2\efpe.exe
- Creates c:\docume~1\user\locals~1\temp\ac8zt2\fbxrqtwn.exe
- Creates c:\docume~1\user\locals~1\temp\ac8zt2\peltodgx.dll
- Creates c:\docume~1\user\locals~1\temp\ac8zt2\install.bat
- Creates c:\docume~1\user\locals~1\temp\ac8zt2\rwlfsdmk.dll
- Deletes c:\docume~1\user\locals~1\temp\ac8zt2\dfmlxbpkqfv.dll
- Deletes c:\docume~1\user\locals~1\temp\ac8zt2\efpe.exe
- Deletes c:\docume~1\user\locals~1\temp\ac8zt2\fbxrqtwn.exe
- Deletes c:\docume~1\user\locals~1\temp\ac8zt2\install.bat
- Deletes c:\docume~1\user\locals~1\temp\ac8zt2\onfwbsak.dll
- Deletes c:\docume~1\user\locals~1\temp\ac8zt2\peltodgx.dll
- Deletes c:\docume~1\user\locals~1\temp\ac8zt2\rwlfsdmk.dll
- Creates c:\docume~1\user\locals~1\temp\nsmb.tmp\System.dll
- Deletes c:\docume~1\user\locals~1\temp\nsx24.tmp
- Creates c:\docume~1\user\locals~1\temp\nsx24.tmp
- Deletes c:\docume~1\user\locals~1\temp\nsmb.tmp\blowfish_d.dll
- Deletes c:\docume~1\user\locals~1\temp\nsmb.tmp\System.dll
- Creates c:\windows\cscript.exe
- Copies filec:\docume~1\user\locals~1\temp\ac8zt2\efpe.exe to c:\windows\efpe.exe
- Copies filec:\docume~1\user\locals~1\temp\ac8zt2\onfwbsak.dll to c:\windows\onfwbsak.dll
- Copies filec:\docume~1\user\locals~1\temp\ac8zt2\fbxrqtwn.exe to c:\windows\fbxrqtwn.exe
- Copies filec:\docume~1\user\locals~1\temp\ac8zt2\dfmlxbpkqfv.dll to c:\windows\dfmlxbpkqfv.dll
- Copies filec:\docume~1\user\locals~1\temp\ac8zt2\peltodgx.dll to c:\windows\peltodgx.dll
- Copies filec:\docume~1\user\locals~1\temp\ac8zt2\rwlfsdmk.dll to c:\windows\rwlfsdmk.dll
- Deletes c:\docume~1\user\locals~1\temp\NSX24T~1.BA
Registry Activity
One or more files with the name WEBSOFTCODECDRIVERN[n].EXE creates or modifies the following registry keys and values:
- HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad rwlfsdmk {7E59A41A-CB42-44AA-B7B4-3BDA6314E410}
- HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad onfwbsak {B6A3BB17-5E05-4A72-BA03-9CC602748E4E}