Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '<File name>.exe' = '<Full path to file>'
Creates or modifies the following files
- %APPDATA%\microsoft\windows\start menu\programs\startup\vjqugr.exe
Creates the following files on removable media
- <Drive name for removable media>:\vjqugr.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions
Injects code into
the following system processes:
- %WINDIR%\syswow64\explorer.exe
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\svchost.exe
- <SYSTEM32>\wudfhost.exe
Modifies file system
Creates the following files
- %APPDATA%\svchost.exe
- %TEMP%\gerarqlb.0.cs
- %TEMP%\gerarqlb.cmdline
- %TEMP%\gerarqlb.out
- %TEMP%\csce3fe.tmp
- %TEMP%\rese40e.tmp
- %TEMP%\gerarqlb.dll
- %WINDIR%\syswow64\install\winsysx
- %TEMP%\user2.txt
- %APPDATA%\userlog.dat
- %TEMP%\user7
- %TEMP%\user8
Sets the 'hidden' attribute to the following files
- <Drive name for removable media>:\vjqugr.exe
- <Drive name for removable media>:\autorun.inf
- %WINDIR%\syswow64\install\winsysx
- %APPDATA%\userlog.dat
Deletes the following files
- %TEMP%\rese40e.tmp
- %TEMP%\csce3fe.tmp
- %TEMP%\gerarqlb.out
- %TEMP%\gerarqlb.0.cs
- %TEMP%\gerarqlb.cmdline
- %TEMP%\gerarqlb.dll
- %TEMP%\user2.txt
- %TEMP%\user8
- %TEMP%\user7
Substitutes the following files
- %TEMP%\user8
- %TEMP%\user7
Network activity
Connects to
- 'localhost':49168
Miscellaneous
Searches for the following windows
- ClassName: '' WindowName: 'View Available Networks'
Creates and executes the following
- '%APPDATA%\svchost.exe'
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESE40E.tmp" "%TEMP%\CSCE3FE.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\gerarqlb.cmdline"' (with hidden window)
Executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\gerarqlb.cmdline"
- '<SYSTEM32>\svchost.exe' -k LocalService
- '<SYSTEM32>\svchost.exe' -k DcomLaunch
- '<SYSTEM32>\svchost.exe' -k RPCSS
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESE40E.tmp" "%TEMP%\CSCE3FE.tmp"
- '<SYSTEM32>\svchost.exe' -k LocalServiceNetworkRestricted
- '%WINDIR%\syswow64\explorer.exe'
