Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'wextract_cleanup0' = 'rundll32.exe <SYSTEM32>\advpack.dll,DelNodeRunDLL32 "%TEMP%\IXP000.TMP\"'
Malicious functions:
Injects code into
the following user processes:
- 1.xyz
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\cmd.exe
Modifies file system:
Creates the following files:
- %TEMP%\IXP000.TMP\1.xyz
- %TEMP%\IXP000.TMP\1.xy_
- <LS_APPDATA>\CSIDL_
- <LS_APPDATA>\CSIDL_X
Sets the 'hidden' attribute to the following files:
- <LS_APPDATA>\CSIDL_
- <LS_APPDATA>\CSIDL_X
Deletes the following files:
- %TEMP%\IXP000.TMP\1.xy_
- %TEMP%\IXP000.TMP\1.xyz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Progman' WindowName: ''
Creates and executes the following:
- '%TEMP%\IXP000.TMP\1.xyz'
Executes the following:
- '<SYSTEM32>\cmd.exe' /c echo on error resume next:CreateObject("WScript.Shell").Run "%TEMP%\IXP000.TMP\1.xyz",1: >"%HOMEPATH%\Start Menu\Programs\Startup\x.vbs"
- '%ProgramFiles%\Internet Explorer\IEXPLORE.EXE'
