Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'rsvp' = '<DRIVERS>\rsvp.exe /waitservice'
- [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows] 'load' = '%TEMP%\clipsrv.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Mstsc' = '<LS_APPDATA>\Microsoft\mstsc.exe /waitservice'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Mstsc' = '%WINDIR%\System\mstsc.exe /waitservice'
Malicious functions:
Creates and executes the following:
- '%TEMP%\clipsrv.exe' /waitservice
Modifies file system:
Creates the following files:
- <DRIVERS>\rsvp.exe
- %TEMP%\clipsrv.exe
- <LS_APPDATA>\Microsoft\mstsc.exe
- %WINDIR%\system\mstsc.exe
Network activity:
Connects to:
- 'www.ka###rus.com':80
TCP:
HTTP GET requests:
- http://www.ka###rus.com/img/gt.cgi?s=#################
UDP:
- DNS ASK www.ka###rus.com
