Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'kvruuv' = '%HOMEPATH%\kvruuv.exe /j'
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\background.exe
- <Drive name for removable media>:\bg_search_box.exe
- <Drive name for removable media>:\dissolveanother.exe
- <Drive name for removable media>:\cleanlyrics.exe
- <Drive name for removable media>:\arrow-down.exe
- <Drive name for removable media>:\asm.exe
- <Drive name for removable media>:\bc01.exe
- <Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.exe
- <Drive name for removable media>:\7790_preview.exe
- <Drive name for removable media>:\51.exe
- <Drive name for removable media>:\video_1.exe
- <Drive name for removable media>:\168.exe
- <Drive name for removable media>:\parnas_01.exe
- <Drive name for removable media>:\pushkin.exe
- <Drive name for removable media>:\cbz.exe
- <Drive name for removable media>:\region-north-karelia.exe
- <Drive name for removable media>:\cveuropeo.exe
- <Drive name for removable media>:\ovp25012015.exe
- <Drive name for removable media>:\uep_form_786_bulletin_1726i602.exe
- <Drive name for removable media>:\applicantform_en.exe
- <Drive name for removable media>:\weeklysheet1215.exe
- <Drive name for removable media>:\hanni_umami_chapter.exe
- <Drive name for removable media>:\lisp_success.exe
- <Drive name for removable media>:\tileimage.exe
- <Drive name for removable media>:\coffee.exe
- <Drive name for removable media>:\dial.exe
- <Drive name for removable media>:\default.exe
- <Drive name for removable media>:\split.exe
- <Drive name for removable media>:\correct.exe
- <Drive name for removable media>:\kvruuv.exe
- <Drive name for removable media>:\february_catalogue__2015.exe
- <Drive name for removable media>:\breakpoint.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%\kvruuv.exe
Sets the 'hidden' attribute to the following files
- %HOMEPATH%\kvruuv.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%\kvruuv.exe'
