Win32.HLLW.Autoruner2.58579

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /a'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /n'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /i'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /E'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /S'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /W'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /B'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /g'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /J'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /o'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /U'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /c'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /M'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'riaton' = '%HOMEPATH%\riaton.exe /H'

Creates the following files on removable media

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\10thingscondoms.exe
<Drive name for removable media>:\fil_20060629111052.exe
<Drive name for removable media>:\bc01.exe
<Drive name for removable media>:\spib_pima.exe
<Drive name for removable media>:\ff_ot_user_guide.exe
<Drive name for removable media>:\block.exe
<Drive name for removable media>:\bg_search_box.exe
<Drive name for removable media>:\background.exe
<Drive name for removable media>:\asm.exe
<Drive name for removable media>:\breakpoint.exe
<Drive name for removable media>:\flower_trans_matte.exe
<Drive name for removable media>:\productos.exe
<Drive name for removable media>:\calculatorworksheet.exe
<Drive name for removable media>:\excel_example.exe
<Drive name for removable media>:\removedtitles_records.exe
<Drive name for removable media>:\secret.exe
<Drive name for removable media>:\sexy.exe
<Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.exe
<Drive name for removable media>:\porn.exe
<Drive name for removable media>:\video_1.exe
<Drive name for removable media>:\3.exe
<Drive name for removable media>:\riaton.exe
<Drive name for removable media>:\delete.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>:\tileimage.exe
<Drive name for removable media>:\dashborder_96.exe
<Drive name for removable media>:\dial.exe
<Drive name for removable media>:\cveuropeo.exe
<Drive name for removable media>:\weeklysheet1215.exe
<Drive name for removable media>:\february_catalogue__2015.exe
<Drive name for removable media>:\2.exe
<Drive name for removable media>:\168.exe
<Drive name for removable media>:\210252809.exe
<Drive name for removable media>:\parnas_01.exe
<Drive name for removable media>:\1189.exe
<Drive name for removable media>:\clip_1080_5sec_10mbps_h264.exe
<Drive name for removable media>:\passwords.exe

Malicious functions

To complicate detection of its presence in the operating system,

forces the system hide from view:

hidden files

Injects code into

the following system processes:

<SYSTEM32>\taskhost.exe

Modifies file system

Creates the following files

%HOMEPATH%\riaton.exe

Sets the 'hidden' attribute to the following files

%HOMEPATH%\riaton.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\riaton.exe

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%\riaton.exe'

TECHNOLOGIES

TERMINOLOGIE

COURS ET EDU

MYTHES

Technical Information