Win32.HLLW.Autoruner2.62315

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'ryfax' = '%HOMEPATH%\ryfax.exe /C'

Creates the following files on removable media

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\3.exe
<Drive name for removable media>:\pushkin.exe
<Drive name for removable media>:\spib_pima.exe
<Drive name for removable media>:\dualectls.exe
<Drive name for removable media>:\fil_20060629111052.exe
<Drive name for removable media>:\210252809.exe
<Drive name for removable media>:\2.exe
<Drive name for removable media>:\10thingscondoms.exe
<Drive name for removable media>:\asm.exe
<Drive name for removable media>:\background.exe
<Drive name for removable media>:\dissolveanother.exe
<Drive name for removable media>:\breakpoint.exe
<Drive name for removable media>:\block.exe
<Drive name for removable media>:\lom602.exe
<Drive name for removable media>:\calibre.exe
<Drive name for removable media>:\parnas_01.exe
<Drive name for removable media>:\cveuropeo.exe
<Drive name for removable media>:\hanni_umami_chapter.exe
<Drive name for removable media>:\correct.exe
<Drive name for removable media>:\delete.exe
<Drive name for removable media>:\000814251_video_01.exe
<Drive name for removable media>:\archer.exe
<Drive name for removable media>:\join.exe
<Drive name for removable media>:\toolbar.exe
<Drive name for removable media>:\ryfax.exe
<Drive name for removable media>:\dialmap.exe
<Drive name for removable media>:\dashborder_120.exe
<Drive name for removable media>:\february_catalogue__2015.exe
<Drive name for removable media>:\lisp_success.exe
<Drive name for removable media>:\applicantform_en.exe
<Drive name for removable media>:\weeklysheet1215.exe
<Drive name for removable media>:\508softwareandos.exe
<Drive name for removable media>:\dashborder_192.exe
<Drive name for removable media>:\babyboymaintoscenesbackground.exe
<Drive name for removable media>:\flower_trans_matte.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%\ryfax.exe

Sets the 'hidden' attribute to the following files

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

Network activity

Connects to

'ns#.##ayer1352.com':8000

UDP

DNS ASK ns#.##ayer1352.com

Miscellaneous

Creates and executes the following

'%HOMEPATH%\ryfax.exe'

Tecnologías

Términos

Formación y educación

Mitos

Technical Information