Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- %LOCALAPPDATA%\start\update_backup.exe
- %LOCALAPPDATA%\start\rcx9731.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%\xo.resources
- %TEMP%\vbc9387.tmp
- %TEMP%\fqr7prpp.out
- %TEMP%\fqr7prpp.cmdline
- %TEMP%\fqr7prpp.0.vb
- %TEMP%\whatdafock.txt
- %TEMP%\ivg.resources
- %TEMP%\udgwrh.resources
- %TEMP%\ksnaaita.exe
- %TEMP%\res93a8.tmp
- %TEMP%\res8f14.tmp
- %TEMP%\ksnaaita.out
- %TEMP%\ksnaaita.cmdline
- %TEMP%\ksnaaita.0.vb
- %TEMP%\msnpsharp.dll
- %TEMP%\27x3wjf.resources
- %LOCALAPPDATA%\start\update.exe
- %TEMP%\svchost.exe
- %TEMP%\update.exe
- %TEMP%\vbc8f03.tmp
- %TEMP%\windowsupdate.ico
Deletes the following files
- %TEMP%\res8f14.tmp
- %TEMP%\vbc8f03.tmp
- %TEMP%\ksnaaita.0.vb
- %TEMP%\ksnaaita.cmdline
- %TEMP%\ksnaaita.exe
- %TEMP%\ksnaaita.out
- %TEMP%\res93a8.tmp
- %TEMP%\vbc9387.tmp
- %TEMP%\fqr7prpp.out
- %TEMP%\fqr7prpp.0.vb
- %TEMP%\fqr7prpp.cmdline
- %TEMP%\udgwrh.resources
- %TEMP%\ivg.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%\ksnaaita.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES8F14.tmp" "%TEMP%\vbc8F03.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\fqr7prpp.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES93A8.tmp" "%TEMP%\vbc9387.tmp"' (with hidden window)
Executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\ksnaaita.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES8F14.tmp" "%TEMP%\vbc8F03.tmp"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\fqr7prpp.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES93A8.tmp" "%TEMP%\vbc9387.tmp"
