Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'winupdateserver.exe' = '<Full path to virus>'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Sys.exe
Malicious functions:
Creates and executes the following:
- <Current directory>\OьままлUhC.exe
Executes the following:
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\vbc1.tmp"
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe /noconfig @"%TEMP%\npbqahle.cmdline"
Modifies file system :
Creates the following files:
- C:\autorun.inf
- C:\Sys.exe
- <Current directory>\OьままлUhC.exe
- %TEMP%\RES2.tmp
- %TEMP%\vbc1.tmp
- %TEMP%\npbqahle.cmdline
- %TEMP%\npbqahle.0.vb
- <Current directory>\workgroup
- %TEMP%\npbqahle.out
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Sys.exe
- <Drive name for removable media>:\autorun.inf
- C:\Sys.exe
- C:\autorun.inf
Deletes the following files:
- %TEMP%\npbqahle.out
- %TEMP%\npbqahle.0.vb
- %TEMP%\npbqahle.cmdline
- %TEMP%\RES2.tmp
- %TEMP%\vbc1.tmp
Network activity:
Connects to:
- 'sm##.gmail.com':587
UDP:
- DNS ASK sm##.gmail.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: '' WindowName: '<Auxiliary name>'
