Win32.HLLW.Autoruner3.942

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'yiooqar' = '%HOMEPATH%\yiooqar.exe /p'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'yiooqar' = '%HOMEPATH%\yiooqar.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'yiooqar' = '%HOMEPATH%\yiooqar.exe /L'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'yiooqar' = '%HOMEPATH%\yiooqar.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'yiooqar' = '%HOMEPATH%\yiooqar.exe /W'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'yiooqar' = '%HOMEPATH%\yiooqar.exe /O'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'yiooqar' = '%HOMEPATH%\yiooqar.exe /s'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'yiooqar' = '%HOMEPATH%\yiooqar.exe /M'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'yiooqar' = '%HOMEPATH%\yiooqar.exe /X'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'yiooqar' = '%HOMEPATH%\yiooqar.exe /D'

Creates the following files on removable media

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\lom602.exe
<Drive name for removable media>:\cleanlyrics.exe
<Drive name for removable media>:\bg_search_box.exe
<Drive name for removable media>:\dissolveanother.exe
<Drive name for removable media>:\flower_trans_matte.exe
<Drive name for removable media>:\testwmv.exe
<Drive name for removable media>:\passport_pal.exe
<Drive name for removable media>:\508softwareandos.exe
<Drive name for removable media>:\babyboymaintonotesbackground_pal.exe
<Drive name for removable media>:\productos.exe
<Drive name for removable media>:\fiche_inscription_2015.exe
<Drive name for removable media>:\removedtitles_records.exe
<Drive name for removable media>:\contractualdeadlines.exe
<Drive name for removable media>:\subjectclassification.exe
<Drive name for removable media>:\secret.exe
<Drive name for removable media>:\sexy.exe
<Drive name for removable media>:\ff_ot_user_guide.exe
<Drive name for removable media>:\spib_pima.exe
<Drive name for removable media>:\7790_preview.exe
<Drive name for removable media>:\2015-02-patients-topic-work-related-asthma-jobs.exe
<Drive name for removable media>:\clip_480_5sec_6mbps_h264.exe
<Drive name for removable media>:\join.exe
<Drive name for removable media>:\dial.exe
<Drive name for removable media>:\coffee.exe
<Drive name for removable media>:\dashborder_120.exe
<Drive name for removable media>:\fi51.exe
<Drive name for removable media>:\weeklysheet1215.exe
<Drive name for removable media>:\february_catalogue__2015.exe
<Drive name for removable media>:\porn.exe
<Drive name for removable media>:\babyboymaintoscenesbackground.exe
<Drive name for removable media>:\lisp_success.exe
<Drive name for removable media>:\region-north-karelia.exe
<Drive name for removable media>:\168.exe
<Drive name for removable media>:\3.exe
<Drive name for removable media>:\1189.exe
<Drive name for removable media>:\13.exe
<Drive name for removable media>:\video.exe
<Drive name for removable media>:\clip_1080_5sec_10mbps_h264.exe
<Drive name for removable media>:\yiooqar.exe
<Drive name for removable media>:\ovp25012015.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

Modifies file system

Creates the following files

%HOMEPATH%\yiooqar.exe

Sets the 'hidden' attribute to the following files

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

Network activity

Connects to

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

UDP

DNS ASK ns#.##ayer1352.com

Miscellaneous

Creates and executes the following

'%HOMEPATH%\yiooqar.exe'

Tecnologías

Términos

Formación y educación

Mitos

Technical Information