Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- %LOCALAPPDATA%\start\update_backup.exe
- %LOCALAPPDATA%\start\rcx1cdc.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%\bjzym.resources
- %TEMP%\vbc1971.tmp
- %TEMP%\aatc2sbr.out
- %TEMP%\aatc2sbr.cmdline
- %TEMP%\aatc2sbr.0.vb
- %TEMP%\whatdafock.txt
- %TEMP%\smxre.resources
- %TEMP%\dig.resources
- %TEMP%\zzdi4vkl.exe
- %TEMP%\res1991.tmp
- %TEMP%\res11f0.tmp
- %TEMP%\zzdi4vkl.out
- %TEMP%\zzdi4vkl.cmdline
- %TEMP%\zzdi4vkl.0.vb
- %TEMP%\msnpsharp.dll
- %TEMP%\3uo22mem.resources
- %LOCALAPPDATA%\start\update.exe
- %TEMP%\svchost.exe
- %TEMP%\update.exe
- %TEMP%\vbc11df.tmp
- %TEMP%\windowsupdate.ico
Deletes the following files
- %TEMP%\res11f0.tmp
- %TEMP%\vbc11df.tmp
- %TEMP%\zzdi4vkl.exe
- %TEMP%\zzdi4vkl.out
- %TEMP%\zzdi4vkl.cmdline
- %TEMP%\zzdi4vkl.0.vb
- %TEMP%\res1991.tmp
- %TEMP%\vbc1971.tmp
- %TEMP%\aatc2sbr.out
- %TEMP%\aatc2sbr.0.vb
- %TEMP%\aatc2sbr.cmdline
- %TEMP%\dig.resources
- %TEMP%\smxre.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%\zzdi4vkl.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES11F0.tmp" "%TEMP%\vbc11DF.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\aatc2sbr.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES1991.tmp" "%TEMP%\vbc1971.tmp"' (with hidden window)
Executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\zzdi4vkl.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES11F0.tmp" "%TEMP%\vbc11DF.tmp"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\aatc2sbr.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES1991.tmp" "%TEMP%\vbc1971.tmp"
