Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- %APPDATA%\microsoft\windows\start menu\programs\startup\sysreseterr.url
Malicious functions
Injects code into
the following system processes:
- %WINDIR%\microsoft.net\framework\v4.0.30319\regsvcs.exe
Modifies file system
Creates the following files
- %HOMEPATH%\sysreseterr\sysreseterr.vbs
- %HOMEPATH%\sysreseterr\change.exe
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\schtasks.exe' /create /tn NYAN /tr "%WINDIR%\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe" /sc minute /mo 1' (with hidden window)
- '%WINDIR%\syswow64\schtasks.exe' /Delete /tn NYAN /F' (with hidden window)
Executes the following
- '%WINDIR%\microsoft.net\framework\v4.0.30319\regsvcs.exe'
- '%WINDIR%\syswow64\schtasks.exe' /create /tn NYAN /tr "%WINDIR%\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe" /sc minute /mo 1
- '%WINDIR%\syswow64\schtasks.exe' /Delete /tn NYAN /F
