Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '<Virus name>.exe' = '%APPDATA%\<Virus name>.exe'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\GoVycrj.exe
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\GoVycrj.exe
Malicious functions:
Creates and executes the following:
- %PROGRAM_FILES%\winlogon\winlogon.exe
- %APPDATA%\lshss.exe
Executes the following:
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:"%TEMP%\RES2.tmp"" "%TEMP%\CSC1.tmp"
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\csc.exe /noconfig /fullpaths @"%TEMP%\qyfnihxf.cmdline"
Modifies file system :
Creates the following files:
- %TEMP%\%USERNAME%2.txt
- %PROGRAM_FILES%\winlogon\winlogon.exe
- %APPDATA%\<Virus name>.exe
- %TEMP%\%USERNAME%8
- %TEMP%\%USERNAME%7
- %APPDATA%\%USERNAME%log.dat
- %TEMP%\qyfnihxf.dll
- %TEMP%\qyfnihxf.cmdline
- %TEMP%\qyfnihxf.0.cs
- %APPDATA%\lshss.exe
- %TEMP%\RES2.tmp
- %TEMP%\CSC1.tmp
- %TEMP%\qyfnihxf.out
Sets the 'hidden' attribute to the following files:
- %APPDATA%\%USERNAME%log.dat
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\GoVycrj.exe
Deletes the following files:
- %TEMP%\%USERNAME%2.txt
- %TEMP%\qyfnihxf.dll
- %TEMP%\%USERNAME%7
- %TEMP%\%USERNAME%8
- %TEMP%\qyfnihxf.0.cs
- %TEMP%\CSC1.tmp
- %TEMP%\RES2.tmp
- %TEMP%\qyfnihxf.out
- %TEMP%\qyfnihxf.cmdline
Network activity:
Connects to:
- 'cr####de.no-ip.biz':8080
UDP:
- DNS ASK cr####de.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
