Win32.HLLW.Autoruner2.55420

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /E'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /L'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /W'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /U'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /s'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /Y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /h'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /t'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /g'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /o'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /n'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /C'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /r'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /i'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'bwcoec' = '%HOMEPATH%\bwcoec.exe /m'

Creates the following files on removable media

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\babyboymaintonotesbackground_pal.exe
<Drive name for removable media>:\rcx31.tmp
<Drive name for removable media>:\arrow-down.exe
<Drive name for removable media>:\rcx30.tmp
<Drive name for removable media>:\asm.exe
<Drive name for removable media>:\rcx2f.tmp
<Drive name for removable media>:\bg_search_box.exe
<Drive name for removable media>:\rcx2e.tmp
<Drive name for removable media>:\calibre.exe
<Drive name for removable media>:\rcx2d.tmp
<Drive name for removable media>:\rcx2c.tmp
<Drive name for removable media>:\rcx2b.tmp
<Drive name for removable media>:\ff_ot_user_guide.exe
<Drive name for removable media>:\rcx2a.tmp
<Drive name for removable media>:\rcx29.tmp
<Drive name for removable media>:\rcx28.tmp
<Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.exe
<Drive name for removable media>:\rcx27.tmp
<Drive name for removable media>:\rcx26.tmp
<Drive name for removable media>:\rcx25.tmp
<Drive name for removable media>:\lom602.exe
<Drive name for removable media>:\rcx24.tmp
<Drive name for removable media>:\rcx23.tmp
<Drive name for removable media>:\bc01.exe
<Drive name for removable media>:\rcx22.tmp
<Drive name for removable media>:\rcx32.tmp
<Drive name for removable media>:\rcx33.tmp
<Drive name for removable media>:\rcx43.tmp
<Drive name for removable media>:\passwords.exe
<Drive name for removable media>:\rcx42.tmp
<Drive name for removable media>:\rcx41.tmp
<Drive name for removable media>:\porn.exe
<Drive name for removable media>:\rcx40.tmp
<Drive name for removable media>:\sexy.exe
<Drive name for removable media>:\secret.exe
<Drive name for removable media>:\rcx3f.tmp
<Drive name for removable media>:\rcx3e.tmp
<Drive name for removable media>:\rcx3d.tmp
<Drive name for removable media>:\rcx3c.tmp
<Drive name for removable media>:\rcx16.tmp
<Drive name for removable media>:\rcx3b.tmp
<Drive name for removable media>:\rcx3a.tmp
<Drive name for removable media>:\calculatorworksheet.exe
<Drive name for removable media>:\rcx39.tmp
<Drive name for removable media>:\rcx38.tmp
<Drive name for removable media>:\rcx37.tmp
<Drive name for removable media>:\guide_reorganization_mapping.exe
<Drive name for removable media>:\rcx36.tmp
<Drive name for removable media>:\rcx35.tmp
<Drive name for removable media>:\rcx34.tmp
<Drive name for removable media>:\productos.exe
<Drive name for removable media>:\rcx21.tmp
<Drive name for removable media>:\rcx20.tmp
<Drive name for removable media>:\rcx1f.tmp
<Drive name for removable media>:\default.exe
<Drive name for removable media>:\rcxc.tmp
<Drive name for removable media>:\dashborder_192.exe
<Drive name for removable media>:\rcxb.tmp
<Drive name for removable media>:\dialmap.exe
<Drive name for removable media>:\rcxa.tmp
<Drive name for removable media>:\coffee.exe
<Drive name for removable media>:\rcx9.tmp
<Drive name for removable media>:\toolbar.exe
<Drive name for removable media>:\rcx8.tmp
<Drive name for removable media>:\rcx7.tmp
<Drive name for removable media>:\join.exe
<Drive name for removable media>:\rcx6.tmp
<Drive name for removable media>:\rcx5.tmp
<Drive name for removable media>:\split.exe
<Drive name for removable media>:\rcx4.tmp
<Drive name for removable media>:\rcx3.tmp
<Drive name for removable media>:\archer.exe
<Drive name for removable media>:\rcx2.tmp
<Drive name for removable media>:\rcx1.tmp
<Drive name for removable media>:\delete.exe
<Drive name for removable media>:\bwcoec.exe
<Drive name for removable media>:\tileimage.exe
<Drive name for removable media>:\rcxe.tmp
<Drive name for removable media>:\rcxd.tmp
<Drive name for removable media>:\hanni_umami_chapter.exe
<Drive name for removable media>:\dualectls.exe
<Drive name for removable media>:\rcxf.tmp
<Drive name for removable media>:\rcx1e.tmp
<Drive name for removable media>:\rcx1d.tmp
<Drive name for removable media>:\rcx1c.tmp
<Drive name for removable media>:\spib_pima.exe
<Drive name for removable media>:\rcx1b.tmp
<Drive name for removable media>:\rcx1a.tmp
<Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.exe
<Drive name for removable media>:\rcx19.tmp
<Drive name for removable media>:\rcx18.tmp
<Drive name for removable media>:\video_1.exe
<Drive name for removable media>:\fiche_inscription_2015.exe
<Drive name for removable media>:\rcx44.tmp
<Drive name for removable media>:\video.exe
<Drive name for removable media>:\rcx15.tmp
<Drive name for removable media>:\168.exe
<Drive name for removable media>:\rcx14.tmp
<Drive name for removable media>:\2.exe
<Drive name for removable media>:\rcx13.tmp
<Drive name for removable media>:\region-north-karelia.exe
<Drive name for removable media>:\rcx12.tmp
<Drive name for removable media>:\4f0bf7ff71f28.exe
<Drive name for removable media>:\rcx11.tmp
<Drive name for removable media>:\rcx10.tmp
<Drive name for removable media>:\rcx17.tmp
<Drive name for removable media>:\rcx45.tmp

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%\bwcoec.exe

Sets the 'hidden' attribute to the following files

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

Deletes the following files

<Drive name for removable media>:\delete.exe
<Drive name for removable media>:\lom602.exe
<Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.exe
<Drive name for removable media>:\ff_ot_user_guide.exe
<Drive name for removable media>:\calibre.exe
<Drive name for removable media>:\bg_search_box.exe
<Drive name for removable media>:\dualectls.exe
<Drive name for removable media>:\bc01.exe
<Drive name for removable media>:\asm.exe
<Drive name for removable media>:\productos.exe
<Drive name for removable media>:\guide_reorganization_mapping.exe
<Drive name for removable media>:\calculatorworksheet.exe
<Drive name for removable media>:\fiche_inscription_2015.exe
<Drive name for removable media>:\sexy.exe
<Drive name for removable media>:\arrow-down.exe
<Drive name for removable media>:\babyboymaintonotesbackground_pal.exe
<Drive name for removable media>:\spib_pima.exe
<Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.exe
<Drive name for removable media>:\video_1.exe
<Drive name for removable media>:\split.exe
<Drive name for removable media>:\join.exe
<Drive name for removable media>:\toolbar.exe
<Drive name for removable media>:\coffee.exe
<Drive name for removable media>:\dialmap.exe
<Drive name for removable media>:\dashborder_192.exe
<Drive name for removable media>:\archer.exe
<Drive name for removable media>:\default.exe
<Drive name for removable media>:\hanni_umami_chapter.exe
<Drive name for removable media>:\4f0bf7ff71f28.exe
<Drive name for removable media>:\region-north-karelia.exe
<Drive name for removable media>:\2.exe
<Drive name for removable media>:\168.exe
<Drive name for removable media>:\video.exe
<Drive name for removable media>:\tileimage.exe
<Drive name for removable media>:\porn.exe
<Drive name for removable media>:\passwords.exe

Substitutes the following files

<Drive name for removable media>:\delete.exe
<Drive name for removable media>:\lom602.exe
<Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.exe
<Drive name for removable media>:\ff_ot_user_guide.exe
<Drive name for removable media>:\calibre.exe
<Drive name for removable media>:\bg_search_box.exe
<Drive name for removable media>:\dualectls.exe
<Drive name for removable media>:\bc01.exe
<Drive name for removable media>:\asm.exe
<Drive name for removable media>:\productos.exe
<Drive name for removable media>:\guide_reorganization_mapping.exe
<Drive name for removable media>:\calculatorworksheet.exe
<Drive name for removable media>:\fiche_inscription_2015.exe
<Drive name for removable media>:\sexy.exe
<Drive name for removable media>:\arrow-down.exe
<Drive name for removable media>:\babyboymaintonotesbackground_pal.exe
<Drive name for removable media>:\spib_pima.exe
<Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.exe
<Drive name for removable media>:\video_1.exe
<Drive name for removable media>:\split.exe
<Drive name for removable media>:\join.exe
<Drive name for removable media>:\toolbar.exe
<Drive name for removable media>:\coffee.exe
<Drive name for removable media>:\dialmap.exe
<Drive name for removable media>:\dashborder_192.exe
<Drive name for removable media>:\archer.exe
<Drive name for removable media>:\default.exe
<Drive name for removable media>:\hanni_umami_chapter.exe
<Drive name for removable media>:\4f0bf7ff71f28.exe
<Drive name for removable media>:\region-north-karelia.exe
<Drive name for removable media>:\2.exe
<Drive name for removable media>:\168.exe
<Drive name for removable media>:\video.exe
<Drive name for removable media>:\tileimage.exe
<Drive name for removable media>:\porn.exe
<Drive name for removable media>:\passwords.exe

Network activity

Connects to

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

UDP

DNS ASK ns#.##ayer1352.com

Miscellaneous

Creates and executes the following

'%HOMEPATH%\bwcoec.exe'

Technologies

Begriffe

Schulung und Training

Mythen

Technical Information