Win32.HLLW.Autoruner3.894

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'nialo' = '%HOMEPATH%\nialo.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'nialo' = '%HOMEPATH%\nialo.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'nialo' = '%HOMEPATH%\nialo.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'nialo' = '%HOMEPATH%\nialo.exe /E'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'nialo' = '%HOMEPATH%\nialo.exe /K'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'nialo' = '%HOMEPATH%\nialo.exe /t'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'nialo' = '%HOMEPATH%\nialo.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'nialo' = '%HOMEPATH%\nialo.exe /Q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'nialo' = '%HOMEPATH%\nialo.exe /I'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'nialo' = '%HOMEPATH%\nialo.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'nialo' = '%HOMEPATH%\nialo.exe /S'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'nialo' = '%HOMEPATH%\nialo.exe /C'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'nialo' = '%HOMEPATH%\nialo.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'nialo' = '%HOMEPATH%\nialo.exe /y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'nialo' = '%HOMEPATH%\nialo.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'nialo' = '%HOMEPATH%\nialo.exe /w'

Creates the following files on removable media

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\video_1.exe
<Drive name for removable media>:\video.exe
<Drive name for removable media>:\bc01.exe
<Drive name for removable media>:\2015-02-patients-topic-work-related-asthma-jobs.exe
<Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.exe
<Drive name for removable media>:\spib_pima.exe
<Drive name for removable media>:\fil_20060629111052.exe
<Drive name for removable media>:\background.exe
<Drive name for removable media>:\cbz.exe
<Drive name for removable media>:\dissolveanother.exe
<Drive name for removable media>:\flower_trans_matte.exe
<Drive name for removable media>:\passport_pal.exe
<Drive name for removable media>:\babyboymaintonotesbackground_pal.exe
<Drive name for removable media>:\price030215.exe
<Drive name for removable media>:\fiche_inscription_2015.exe
<Drive name for removable media>:\1sm_price.exe
<Drive name for removable media>:\excel_example.exe
<Drive name for removable media>:\removedtitles_records.exe
<Drive name for removable media>:\guide_reorganization_mapping.exe
<Drive name for removable media>:\pushkin.exe
<Drive name for removable media>:\secret.exe
<Drive name for removable media>:\1189.exe
<Drive name for removable media>:\210252809.exe
<Drive name for removable media>:\nialo.exe
<Drive name for removable media>:\join.exe
<Drive name for removable media>:\delete.exe
<Drive name for removable media>:\000814251_video_01.exe
<Drive name for removable media>:\split.exe
<Drive name for removable media>:\toolbar.exe
<Drive name for removable media>:\dashborder_96.exe
<Drive name for removable media>:\tileimage.exe
<Drive name for removable media>:\dashborder_144.exe
<Drive name for removable media>:\dashborder_192.exe
<Drive name for removable media>:\dialmap.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>:\hanni_umami_chapter.exe
<Drive name for removable media>:\weeklysheet1215.exe
<Drive name for removable media>:\applicantform_en.exe
<Drive name for removable media>:\cveuropeo.exe
<Drive name for removable media>:\ovp25012015.exe
<Drive name for removable media>:\3.exe
<Drive name for removable media>:\sexy.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%\nialo.exe

Sets the 'hidden' attribute to the following files

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

Tecnologie

Termini

Formazione ed informazione

Falsi miti

Technical Information