Win32.HLLW.Autoruner3.4244

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /H'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /C'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /D'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /n'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /g'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /E'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /Q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /u'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /o'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /s'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /I'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /W'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /Y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'fwbok' = '%HOMEPATH%\fwbok.exe /L'

Creates the following files on removable media

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\7790_preview.pdf.lnk
<Drive name for removable media>:\10thingscondoms.pdf.lnk
<Drive name for removable media>:\background.png.lnk
<Drive name for removable media>:\arrow-down.png.lnk
<Drive name for removable media>:\cbz.png.lnk
<Drive name for removable media>:\bg_search_box.png.lnk
<Drive name for removable media>:\dissolveanother.png.lnk
<Drive name for removable media>:\cveuropeo.doc.lnk
<Drive name for removable media>:\babyboymaintonotesbackground_pal.wmv.lnk
<Drive name for removable media>:\testwmv.wmv.lnk
<Drive name for removable media>:\removedtitles_records.xls.lnk
<Drive name for removable media>:\contractualdeadlines.xls.lnk
<Drive name for removable media>:\new folder.lnk
<Drive name for removable media>:\passwords.lnk
<Drive name for removable media>:\documents.lnk
<Drive name for removable media>:\pictures.lnk
<Drive name for removable media>:\ff_ot_user_guide.pdf.lnk
<Drive name for removable media>:\2015-02-patients-topic-work-related-asthma-jobs.pdf.lnk
<Drive name for removable media>:\spib_pima.pdf.lnk
<Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.pdf.lnk
<Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.mp4.lnk
<Drive name for removable media>:\fwbok.exe
<Drive name for removable media>:\fwbokx.exe
<Drive name for removable media>:\delete.avi.lnk
<Drive name for removable media>:\000814251_video_01.avi.lnk
<Drive name for removable media>:\archer.avi.lnk
<Drive name for removable media>:\split.avi.lnk
<Drive name for removable media>:\dashborder_96.bmp.lnk
<Drive name for removable media>:\music.lnk
<Drive name for removable media>:\passport_pal.wmv.lnk
<Drive name for removable media>:\fi51.doc.lnk
<Drive name for removable media>:\applicantform_en.doc.lnk
<Drive name for removable media>:\lisp_success.doc.lnk
<Drive name for removable media>:\3.jpg.lnk
<Drive name for removable media>:\parnas_01.jpg.lnk
<Drive name for removable media>:\1189.jpg.lnk
<Drive name for removable media>:\4f0bf7ff71f28.jpg.lnk
<Drive name for removable media>:\region-north-karelia.jpg.lnk
<Drive name for removable media>:\fyx.ico
<Drive name for removable media>:\weeklysheet1215.doc.lnk
<Drive name for removable media>:\video.lnk

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%\fwbok.exe

Sets the 'hidden' attribute to the following files

%HOMEPATH%\fwbok.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\fyx.ico
<Drive name for removable media>:\fwbok.exe
<Drive name for removable media>:\fwbokx.exe

Network activity

Connects to

'255.255.255.255':8000

UDP

DNS ASK ns#.##ayer1532.com
DNS ASK ns#.##deoall.org
DNS ASK ns#.##deoall.net

Miscellaneous

Creates and executes the following

'%HOMEPATH%\fwbok.exe'

Technologies

Terminology

Training and education

Myths

Technical Information