Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'joucoo' = '%HOMEPATH%\joucoo.exe /a'
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\13.exe
- <Drive name for removable media>:\video_1.exe
- <Drive name for removable media>:\51.exe
- <Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.exe
- <Drive name for removable media>:\dualectls.exe
- <Drive name for removable media>:\bc01.exe
- <Drive name for removable media>:\2015-02-patients-topic-work-related-asthma-jobs.exe
- <Drive name for removable media>:\ff_ot_user_guide.exe
- <Drive name for removable media>:\babyboymaintoscenesbackground.exe
- <Drive name for removable media>:\block.exe
- <Drive name for removable media>:\calibre.exe
- <Drive name for removable media>:\breakpoint.exe
- <Drive name for removable media>:\dissolveanother.exe
- <Drive name for removable media>:\arrow-down.exe
- <Drive name for removable media>:\flower_trans_matte.exe
- <Drive name for removable media>:\testwmv.exe
- <Drive name for removable media>:\parnas_01.exe
- <Drive name for removable media>:\7790_preview.exe
- <Drive name for removable media>:\3.exe
- <Drive name for removable media>:\dashborder_96.exe
- <Drive name for removable media>:\joucoo.exe
- <Drive name for removable media>:\correct.exe
- <Drive name for removable media>:\join.exe
- <Drive name for removable media>:\delete.exe
- <Drive name for removable media>:\000814251_video_01.exe
- <Drive name for removable media>:\split.exe
- <Drive name for removable media>:\toolbar.exe
- <Drive name for removable media>:\dashborder_144.exe
- <Drive name for removable media>:\508softwareandos.exe
- <Drive name for removable media>:\dialmap.exe
- <Drive name for removable media>:\coffee.exe
- <Drive name for removable media>:\dashborder_120.exe
- <Drive name for removable media>:\fi51.exe
- <Drive name for removable media>:\weeklysheet1215.exe
- <Drive name for removable media>:\applicantform_en.exe
- <Drive name for removable media>:\february_catalogue__2015.exe
- <Drive name for removable media>:\168.exe
- <Drive name for removable media>:\calculatorworksheet.exe
Malicious functions
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Modifies file system
Creates the following files
- %HOMEPATH%\joucoo.exe
Sets the 'hidden' attribute to the following files
- %HOMEPATH%\joucoo.exe
- <Drive name for removable media>:\autorun.inf
Network activity
Connects to
- '255.255.255.255':8000
UDP
- DNS ASK ns#.##ayer1352.com
- DNS ASK ns#.##ayer1352.net
- DNS ASK ns#.##ayer1352.org
Miscellaneous
Creates and executes the following
- '%HOMEPATH%\joucoo.exe'
