Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Taskman' = '%HOMEPATH%\vjksnu.exe'
Malicious functions:
Executes the following:
- '<SYSTEM32>\wbem\wmiadap.exe' /R /T
- '<SYSTEM32>\svchost.exe'
Injects code into
the following system processes:
- <SYSTEM32>\svchost.exe
Modifies file system :
Creates the following files:
- %HOMEPATH%\vjksnu.exe
Sets the 'hidden' attribute to the following files:
- %HOMEPATH%\vjksnu.exe
Deletes the following files:
- <SYSTEM32>\PerfStringBackup.TMP
- <SYSTEM32>\wbem\Performance\WmiApRpl.ini
Network activity:
UDP:
- DNS ASK wo###.rickstudio.ru
- DNS ASK ba####.cocolands.su
- DNS ASK po####.#oomshowerbord.com
- DNS ASK sl###.##fehousenumber.com
- DNS ASK mu###.###tal-protection.net.ru
- 'ba####.cocolands.su':33111
- 'po####.#oomshowerbord.com':33111
- 'mu###.###tal-protection.net.ru':33111
- 'wo###.rickstudio.ru':33111
- 'sl###.##fehousenumber.com':33111