Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'svchost.exe' = '%APPDATA%\Microsoft\svchost.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\svchost.exe
Malicious functions:
Creates and executes the following:
- %APPDATA%\Microsoft\svchost.exe
Executes the following:
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe /noconfig @"%TEMP%\mcwypptj.cmdline"
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:"%TEMP%\RES4.tmp"" ""%TEMP%\vbc3.tmp""
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe /noconfig @"%TEMP%\iap0jdl0.cmdline"
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:"%TEMP%\RES2.tmp"" ""%TEMP%\vbc1.tmp""
Modifies file system :
Creates the following files:
- %TEMP%\mcwypptj.out
- %TEMP%\mcwypptj.cmdline
- %TEMP%\mcwypptj.0.vb
- %TEMP%\mcwypptj.dll
- %TEMP%\RES4.tmp
- %TEMP%\vbc3.tmp
- %APPDATA%\Microsoft\svchost.exe
- %TEMP%\iap0jdl0.out
- %TEMP%\iap0jdl0.cmdline
- %TEMP%\iap0jdl0.0.vb
- %TEMP%\iap0jdl0.dll
- %TEMP%\RES2.tmp
- %TEMP%\vbc1.tmp
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\svchost.exe
- %APPDATA%\Microsoft\svchost.exe
Deletes the following files:
- %TEMP%\mcwypptj.0.vb
- %TEMP%\vbc3.tmp
- %TEMP%\RES4.tmp
- %TEMP%\mcwypptj.dll
- %TEMP%\mcwypptj.out
- %TEMP%\mcwypptj.cmdline
- %TEMP%\iap0jdl0.out
- %TEMP%\vbc1.tmp
- %TEMP%\RES2.tmp
- %TEMP%\iap0jdl0.0.vb
- %TEMP%\iap0jdl0.dll
- %TEMP%\iap0jdl0.cmdline
Network activity:
Connects to:
- 'wi######slover.zapto.org':3085
UDP:
- DNS ASK wi######slover.zapto.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
