Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'LoadOrderVerification' = 'iexplore.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\Autorun.inf
Malicious functions:
Executes the following:
- '<SYSTEM32>\reg.exe' add "HKLM\software\microsoft\Windows\CurrentVersion\Run" /v LoadOrderVerification /t REG_SZ /d iexplore.exe /f
- '<SYSTEM32>\cmd.exe' /c merissi.bat
Modifies file system :
Creates the following files:
- <Current directory>\SchedLgUt.Txt
- <Current directory>\merissi.bat
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Autorun.inf
Deletes the following files:
- <Drive name for removable media>:\Autorun.inf
Network activity:
Connects to:
- 'sa####02.no-ip.biz':58008
UDP:
- DNS ASK sa####02.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'TApplication' WindowName: '<Virus name>'
