Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /B'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /p'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /I'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /W'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /T'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /x'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /G'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /V'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /j'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /H'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /C'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /d'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /e'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /Y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /a'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rkleen' = '%HOMEPATH%\rkleen.exe /l'
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\asm.exe
- <Drive name for removable media>:\rcx33.tmp
- <Drive name for removable media>:\background.exe
- <Drive name for removable media>:\rcx32.tmp
- <Drive name for removable media>:\calibre.exe
- <Drive name for removable media>:\rcx31.tmp
- <Drive name for removable media>:\block.exe
- <Drive name for removable media>:\rcx30.tmp
- <Drive name for removable media>:\rcx2f.tmp
- <Drive name for removable media>:\rcx2e.tmp
- <Drive name for removable media>:\bc01.exe
- <Drive name for removable media>:\region-north-karelia.exe
- <Drive name for removable media>:\rcx2d.tmp
- <Drive name for removable media>:\rcx2b.tmp
- <Drive name for removable media>:\lom602.exe
- <Drive name for removable media>:\rcx2a.tmp
- <Drive name for removable media>:\rcx29.tmp
- <Drive name for removable media>:\video.exe
- <Drive name for removable media>:\rcx28.tmp
- <Drive name for removable media>:\rcx27.tmp
- <Drive name for removable media>:\51.exe
- <Drive name for removable media>:\rcx26.tmp
- <Drive name for removable media>:\rcx25.tmp
- <Drive name for removable media>:\video_1.exe
- <Drive name for removable media>:\rcx2c.tmp
- <Drive name for removable media>:\rcx24.tmp
- <Drive name for removable media>:\rcx34.tmp
- <Drive name for removable media>:\rcx3e.tmp
- <Drive name for removable media>:\rcx45.tmp
- <Drive name for removable media>:\passwords.exe
- <Drive name for removable media>:\rcx44.tmp
- <Drive name for removable media>:\rcx43.tmp
- <Drive name for removable media>:\porn.exe
- <Drive name for removable media>:\rcx42.tmp
- <Drive name for removable media>:\sexy.exe
- <Drive name for removable media>:\secret.exe
- <Drive name for removable media>:\rcx41.tmp
- <Drive name for removable media>:\rcx40.tmp
- <Drive name for removable media>:\rcx3f.tmp
- <Drive name for removable media>:\rcx35.tmp
- <Drive name for removable media>:\arrow-down.exe
- <Drive name for removable media>:\rcx3d.tmp
- <Drive name for removable media>:\rcx3c.tmp
- <Drive name for removable media>:\excel_example.exe
- <Drive name for removable media>:\rcx3b.tmp
- <Drive name for removable media>:\rcx3a.tmp
- <Drive name for removable media>:\rcx39.tmp
- <Drive name for removable media>:\price030215.exe
- <Drive name for removable media>:\rcx38.tmp
- <Drive name for removable media>:\rcx37.tmp
- <Drive name for removable media>:\rcx36.tmp
- <Drive name for removable media>:\contractualdeadlines.exe
- <Drive name for removable media>:\guide_reorganization_mapping.exe
- <Drive name for removable media>:\rcx23.tmp
- <Drive name for removable media>:\1189.exe
- <Drive name for removable media>:\rcx22.tmp
- <Drive name for removable media>:\toolbar.exe
- <Drive name for removable media>:\rcxd.tmp
- <Drive name for removable media>:\default.exe
- <Drive name for removable media>:\rcxc.tmp
- <Drive name for removable media>:\dashborder_144.exe
- <Drive name for removable media>:\rcxb.tmp
- <Drive name for removable media>:\coffee.exe
- <Drive name for removable media>:\rcxa.tmp
- <Drive name for removable media>:\rcx9.tmp
- <Drive name for removable media>:\correct.exe
- <Drive name for removable media>:\508softwareandos.exe
- <Drive name for removable media>:\rcx8.tmp
- <Drive name for removable media>:\000814251_video_01.exe
- <Drive name for removable media>:\rcx6.tmp
- <Drive name for removable media>:\rcx5.tmp
- <Drive name for removable media>:\join.exe
- <Drive name for removable media>:\rcx4.tmp
- <Drive name for removable media>:\rcx3.tmp
- <Drive name for removable media>:\archer.exe
- <Drive name for removable media>:\rcx2.tmp
- <Drive name for removable media>:\rcx1.tmp
- <Drive name for removable media>:\delete.exe
- <Drive name for removable media>:\rkleen.exe
- <Drive name for removable media>:\rcx7.tmp
- <Drive name for removable media>:\rcxf.tmp
- <Drive name for removable media>:\rcxe.tmp
- <Drive name for removable media>:\rcx10.tmp
- <Drive name for removable media>:\168.exe
- <Drive name for removable media>:\lisp_success.exe
- <Drive name for removable media>:\rcx21.tmp
- <Drive name for removable media>:\13.exe
- <Drive name for removable media>:\rcx20.tmp
- <Drive name for removable media>:\4f0bf7ff71f28.exe
- <Drive name for removable media>:\rcx1f.tmp
- <Drive name for removable media>:\pushkin.exe
- <Drive name for removable media>:\rcx1e.tmp
- <Drive name for removable media>:\2.exe
- <Drive name for removable media>:\rcx1d.tmp
- <Drive name for removable media>:\rcx1c.tmp
- <Drive name for removable media>:\rcx1b.tmp
- <Drive name for removable media>:\rcx1a.tmp
- <Drive name for removable media>:\rcx11.tmp
- <Drive name for removable media>:\rcx19.tmp
- <Drive name for removable media>:\rcx18.tmp
- <Drive name for removable media>:\applicantform_en.exe
- <Drive name for removable media>:\rcx17.tmp
- <Drive name for removable media>:\rcx16.tmp
- <Drive name for removable media>:\rcx15.tmp
- <Drive name for removable media>:\february_catalogue__2015.exe
- <Drive name for removable media>:\rcx14.tmp
- <Drive name for removable media>:\rcx13.tmp
- <Drive name for removable media>:\rcx12.tmp
- <Drive name for removable media>:\cveuropeo.exe
- <Drive name for removable media>:\rcx46.tmp
- <Drive name for removable media>:\rcx47.tmp
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%\rkleen.exe
Sets the 'hidden' attribute to the following files
- %HOMEPATH%\rkleen.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\rkleen.exe
Deletes the following files
- <Drive name for removable media>:\delete.exe
- <Drive name for removable media>:\51.exe
- <Drive name for removable media>:\video.exe
- <Drive name for removable media>:\lom602.exe
- <Drive name for removable media>:\bc01.exe
- <Drive name for removable media>:\block.exe
- <Drive name for removable media>:\calibre.exe
- <Drive name for removable media>:\508softwareandos.exe
- <Drive name for removable media>:\background.exe
- <Drive name for removable media>:\arrow-down.exe
- <Drive name for removable media>:\contractualdeadlines.exe
- <Drive name for removable media>:\price030215.exe
- <Drive name for removable media>:\excel_example.exe
- <Drive name for removable media>:\guide_reorganization_mapping.exe
- <Drive name for removable media>:\sexy.exe
- <Drive name for removable media>:\region-north-karelia.exe
- <Drive name for removable media>:\video_1.exe
- <Drive name for removable media>:\1189.exe
- <Drive name for removable media>:\168.exe
- <Drive name for removable media>:\13.exe
- <Drive name for removable media>:\join.exe
- <Drive name for removable media>:\000814251_video_01.exe
- <Drive name for removable media>:\correct.exe
- <Drive name for removable media>:\coffee.exe
- <Drive name for removable media>:\dashborder_144.exe
- <Drive name for removable media>:\default.exe
- <Drive name for removable media>:\porn.exe
- <Drive name for removable media>:\asm.exe
- <Drive name for removable media>:\toolbar.exe
- <Drive name for removable media>:\february_catalogue__2015.exe
- <Drive name for removable media>:\applicantform_en.exe
- <Drive name for removable media>:\lisp_success.exe
- <Drive name for removable media>:\2.exe
- <Drive name for removable media>:\pushkin.exe
- <Drive name for removable media>:\4f0bf7ff71f28.exe
- <Drive name for removable media>:\archer.exe
- <Drive name for removable media>:\cveuropeo.exe
- <Drive name for removable media>:\passwords.exe
Substitutes the following files
- <Drive name for removable media>:\delete.exe
- <Drive name for removable media>:\51.exe
- <Drive name for removable media>:\video.exe
- <Drive name for removable media>:\lom602.exe
- <Drive name for removable media>:\bc01.exe
- <Drive name for removable media>:\block.exe
- <Drive name for removable media>:\calibre.exe
- <Drive name for removable media>:\508softwareandos.exe
- <Drive name for removable media>:\background.exe
- <Drive name for removable media>:\arrow-down.exe
- <Drive name for removable media>:\contractualdeadlines.exe
- <Drive name for removable media>:\price030215.exe
- <Drive name for removable media>:\excel_example.exe
- <Drive name for removable media>:\guide_reorganization_mapping.exe
- <Drive name for removable media>:\sexy.exe
- <Drive name for removable media>:\region-north-karelia.exe
- <Drive name for removable media>:\video_1.exe
- <Drive name for removable media>:\1189.exe
- <Drive name for removable media>:\168.exe
- <Drive name for removable media>:\13.exe
- <Drive name for removable media>:\join.exe
- <Drive name for removable media>:\000814251_video_01.exe
- <Drive name for removable media>:\correct.exe
- <Drive name for removable media>:\coffee.exe
- <Drive name for removable media>:\dashborder_144.exe
- <Drive name for removable media>:\default.exe
- <Drive name for removable media>:\porn.exe
- <Drive name for removable media>:\asm.exe
- <Drive name for removable media>:\toolbar.exe
- <Drive name for removable media>:\february_catalogue__2015.exe
- <Drive name for removable media>:\applicantform_en.exe
- <Drive name for removable media>:\lisp_success.exe
- <Drive name for removable media>:\2.exe
- <Drive name for removable media>:\pushkin.exe
- <Drive name for removable media>:\4f0bf7ff71f28.exe
- <Drive name for removable media>:\archer.exe
- <Drive name for removable media>:\cveuropeo.exe
- <Drive name for removable media>:\passwords.exe
Network activity
Connects to
- 'ns#.##ayer1352.com':8000
UDP
- DNS ASK ns#.##ayer1352.com
Miscellaneous
Creates and executes the following
- '%HOMEPATH%\rkleen.exe'