Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /R'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /O'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /Q'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /e'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /u'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /A'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /D'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /G'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /j'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /w'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /y'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /K'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /H'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /t'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /I'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /P'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /C'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /l'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /X'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /V'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /s'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /Z'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /f'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /n'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'butig' = '%HOMEPATH%\butig.exe /M'
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\ycfy.ico
- <Drive name for removable media>:\butig.exe
- <Drive name for removable media>:\butigx.exe
- <Drive name for removable media>:\000814251_video_01.avi.lnk
- <Drive name for removable media>:\split.avi.lnk
- <Drive name for removable media>:\correct.avi.lnk
- <Drive name for removable media>:\join.avi.lnk
- <Drive name for removable media>:\dashborder_120.bmp.lnk
- <Drive name for removable media>:\toolbar.bmp.lnk
- <Drive name for removable media>:\dashborder_144.bmp.lnk
- <Drive name for removable media>:\ovp25012015.doc.lnk
- <Drive name for removable media>:\lisp_success.doc.lnk
- <Drive name for removable media>:\february_catalogue__2015.doc.lnk
- <Drive name for removable media>:\applicantform_en.doc.lnk
- <Drive name for removable media>:\cveuropeo.doc.lnk
- <Drive name for removable media>:\2.jpg.lnk
- <Drive name for removable media>:\1189.jpg.lnk
- <Drive name for removable media>:\3.jpg.lnk
- <Drive name for removable media>:\168.jpg.lnk
- <Drive name for removable media>:\13.jpg.lnk
- <Drive name for removable media>:\pushkin.jpg.lnk
- <Drive name for removable media>:\parnas_01.jpg.lnk
- <Drive name for removable media>:\clip_1080_5sec_10mbps_h264.mp4.lnk
- <Drive name for removable media>:\fil_20060629111052.pdf.lnk
- <Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.pdf.lnk
- <Drive name for removable media>:\block.png.lnk
- <Drive name for removable media>:\calibre.png.lnk
- <Drive name for removable media>:\breakpoint.png.lnk
- <Drive name for removable media>:\dissolveanother.png.lnk
- <Drive name for removable media>:\passport_pal.wmv.lnk
- <Drive name for removable media>:\babyboymaintoscenesbackground_pal.wmv.lnk
- <Drive name for removable media>:\babyboymaintoscenesbackground.wmv.lnk
- <Drive name for removable media>:\testwmv.wmv.lnk
- <Drive name for removable media>:\babyboymaintonotesbackground_pal.wmv.lnk
- <Drive name for removable media>:\guide_reorganization_mapping.xls.lnk
- <Drive name for removable media>:\removedtitles_records.xls.lnk
- <Drive name for removable media>:\productos.xls.lnk
- <Drive name for removable media>:\fiche_inscription_2015.xls.lnk
- <Drive name for removable media>:\subjectclassification.xls.lnk
- <Drive name for removable media>:\calculatorworksheet.xls.lnk
- <Drive name for removable media>:\price030215.xls.lnk
- <Drive name for removable media>:\system volume information.lnk
- <Drive name for removable media>:\new folder.lnk
- <Drive name for removable media>:\passwords.lnk
- <Drive name for removable media>:\documents.lnk
- <Drive name for removable media>:\pictures.lnk
- <Drive name for removable media>:\music.lnk
- <Drive name for removable media>:\video.lnk
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%\butig.exe
Sets the 'hidden' attribute to the following files
- %HOMEPATH%\butig.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\ycfy.ico
- <Drive name for removable media>:\butig.exe
- <Drive name for removable media>:\butigx.exe
Network activity
Connects to
- 'mo#####.map.fastly.net':443
- 'co##############e-chains.prod.autograph.services.mozaws.net':443
- 'ns#.##ayer1253.com':0
UDP
- DNS ASK mo#####.map.fastly.net
- DNS ASK co##############e-chains.prod.autograph.services.mozaws.net
- DNS ASK ns#.##ayer1253.com
Miscellaneous
Creates and executes the following
- '%HOMEPATH%\butig.exe'
