Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Updater' = '"%APPDATA%\Windows Updater\Launch.exe"'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\Windows.cmd
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf.lnk
- <Drive name for removable media>:\Tot.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
Creates and executes the following:
- '%HOMEPATH%\Start Menu\Programs\Startup\Windows.cmd'
- '%APPDATA%\Windows Updater\Launch.exe'
- '%TEMP%\qfkcosy1.2d1.exe'
Executes the following:
- '<SYSTEM32>\cmd.exe' /c ""%TEMP%\aaaaaaa.bat""
- '<SYSTEM32>\taskkill.exe' /f /pid 2904
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\cvdpgkg0.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\CSC1.tmp"
Modifies file system :
Creates the following files:
- %TEMP%\RES2.tmp
- %TEMP%\CSC1.tmp
- %TEMP%\aaaaaaa.bat
- %TEMP%\qfkcosy1.2d1.exe
- %TEMP%\cvdpgkg0.0.cs
- %APPDATA%\Windows Updater\Launch.exe
- %TEMP%\cvdpgkg0.out
- %TEMP%\cvdpgkg0.cmdline
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Tot.exe
- <Drive name for removable media>:\autorun.inf
- %APPDATA%\Windows Updater\Launch.exe
Deletes the following files:
- %TEMP%\cvdpgkg0.cmdline
- %TEMP%\qfkcosy1.2d1.exe
- <Drive name for removable media>:\autorun.inf.lnk
- %TEMP%\cvdpgkg0.out
- %TEMP%\RES2.tmp
- %TEMP%\CSC1.tmp
- %TEMP%\cvdpgkg0.0.cs
Network activity:
Connects to:
- 'wp#d':80
TCP:
HTTP GET requests:
- wp#d/wpad.dat
UDP:
- DNS ASK gl#.bl.ee
- DNS ASK wp#d
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: '(null)' WindowName: '(null)'
