Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /L'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /G'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /x'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /C'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /d'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /E'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /j'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /p'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /r'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /K'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /Z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /U'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /S'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /a'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /T'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /n'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /F'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'jezec' = '%HOMEPATH%\jezec.exe /V'
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.pdf.lnk
- <Drive name for removable media>:\fil_20060629111052.pdf.lnk
- <Drive name for removable media>:\2015-02-patients-topic-work-related-asthma-jobs.pdf.lnk
- <Drive name for removable media>:\dissolveanother.png.lnk
- <Drive name for removable media>:\breakpoint.png.lnk
- <Drive name for removable media>:\cleanlyrics.png.lnk
- <Drive name for removable media>:\arrow-down.png.lnk
- <Drive name for removable media>:\background.png.lnk
- <Drive name for removable media>:\10thingscondoms.pdf.lnk
- <Drive name for removable media>:\ff_ot_user_guide.pdf.lnk
- <Drive name for removable media>:\babyboymaintoscenesbackground_pal.wmv.lnk
- <Drive name for removable media>:\calculatorworksheet.xls.lnk
- <Drive name for removable media>:\contractualdeadlines.xls.lnk
- <Drive name for removable media>:\guide_reorganization_mapping.xls.lnk
- <Drive name for removable media>:\productos.xls.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>:\price030215.xls.lnk
- <Drive name for removable media>:\excel_example.xls.lnk
- <Drive name for removable media>:\51.mp4.lnk
- <Drive name for removable media>:\clip_480_5sec_6mbps_h264.mp4.lnk
- <Drive name for removable media>:\clip_1080_5sec_10mbps_h264.mp4.lnk
- <Drive name for removable media>:\jezec.exe
- <Drive name for removable media>:\jezecx.exe
- <Drive name for removable media>:\delete.avi.lnk
- <Drive name for removable media>:\join.avi.lnk
- <Drive name for removable media>:\correct.avi.lnk
- <Drive name for removable media>:\toolbar.bmp.lnk
- <Drive name for removable media>:\default.bmp.lnk
- <Drive name for removable media>:\tileimage.bmp.lnk
- <Drive name for removable media>:\dashborder_96.bmp.lnk
- <Drive name for removable media>:\saaf.ico
- <Drive name for removable media>:\dashborder_144.bmp.lnk
- <Drive name for removable media>:\lisp_success.doc.lnk
- <Drive name for removable media>:\uep_form_786_bulletin_1726i602.doc.lnk
- <Drive name for removable media>:\fi51.doc.lnk
- <Drive name for removable media>:\applicantform_en.doc.lnk
- <Drive name for removable media>:\3.jpg.lnk
- <Drive name for removable media>:\13.jpg.lnk
- <Drive name for removable media>:\210252809.jpg.lnk
- <Drive name for removable media>:\parnas_01.jpg.lnk
- <Drive name for removable media>:\video.mp4.lnk
- <Drive name for removable media>:\dashborder_192.bmp.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%\jezec.exe
Sets the 'hidden' attribute to the following files
- %HOMEPATH%\jezec.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\saaf.ico
- <Drive name for removable media>:\jezec.exe
- <Drive name for removable media>:\jezecx.exe
Network activity
Connects to
- '255.255.255.255':8000
UDP
- DNS ASK ns#.##ayer1532.com
- DNS ASK ns#.##deoall.org
- DNS ASK ns#.##deoall.net
Miscellaneous
Creates and executes the following
- '%HOMEPATH%\jezec.exe'
