Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- %LOCALAPPDATA%\start\update_backup.exe
- %LOCALAPPDATA%\start\rcx2930.tmp
Creates the following files on removable media
- <Drive name for removable media>:\bloc-notes.exe
Malicious functions
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
Modifies file system
Creates the following files
- %TEMP%\hv.resources
- %TEMP%\vbc1d97.tmp
- %TEMP%\pamjm7fa.out
- %TEMP%\pamjm7fa.cmdline
- %TEMP%\pamjm7fa.0.vb
- %TEMP%\whatdafock.txt
- %TEMP%\zxpq.resources
- %TEMP%\scfroti.resources
- %TEMP%\j7ejvrhn.exe
- %TEMP%\res1db7.tmp
- %TEMP%\res126d.tmp
- %TEMP%\j7ejvrhn.out
- %TEMP%\j7ejvrhn.cmdline
- %TEMP%\j7ejvrhn.0.vb
- %TEMP%\msnpsharp.dll
- %TEMP%\8g8cb.resources
- %LOCALAPPDATA%\start\update.exe
- %TEMP%\svchost.exe
- %TEMP%\update.exe
- %TEMP%\vbc125c.tmp
- %TEMP%\windowsupdate.ico
Deletes the following files
- %TEMP%\res126d.tmp
- %TEMP%\vbc125c.tmp
- %TEMP%\j7ejvrhn.exe
- %TEMP%\j7ejvrhn.0.vb
- %TEMP%\j7ejvrhn.out
- %TEMP%\j7ejvrhn.cmdline
- %TEMP%\res1db7.tmp
- %TEMP%\vbc1d97.tmp
- %TEMP%\pamjm7fa.0.vb
- %TEMP%\pamjm7fa.out
- %TEMP%\pamjm7fa.cmdline
- %TEMP%\scfroti.resources
- %TEMP%\zxpq.resources
- %TEMP%\windowsupdate.ico
- %LOCALAPPDATA%\start\update.exe
Network activity
Connects to
- '17#.#3.169.14':80
Miscellaneous
Creates and executes the following
- '%TEMP%\update.exe'
- '%TEMP%\svchost.exe'
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\j7ejvrhn.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES126D.tmp" "%TEMP%\vbc125C.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\pamjm7fa.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES1DB7.tmp" "%TEMP%\vbc1D97.tmp"' (with hidden window)
Executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\j7ejvrhn.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES126D.tmp" "%TEMP%\vbc125C.tmp"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\pamjm7fa.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES1DB7.tmp" "%TEMP%\vbc1D97.tmp"
