Win32.HLLW.Autoruner2.63127

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /u'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /H'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /Y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /i'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /X'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /a'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /c'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /E'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /V'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /O'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /S'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'muoboz' = '%HOMEPATH%\muoboz.exe /T'

Creates the following files on removable media

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\background.exe
<Drive name for removable media>:\rcx3b.tmp
<Drive name for removable media>:\babyboymaintoscenesbackground_pal.exe
<Drive name for removable media>:\rcx3c.tmp
<Drive name for removable media>:\rcx3d.tmp
<Drive name for removable media>:\flower_trans_matte.exe
<Drive name for removable media>:\rcx3f.tmp
<Drive name for removable media>:\fiche_inscription_2015.exe
<Drive name for removable media>:\passport_pal.exe
<Drive name for removable media>:\rcx40.tmp
<Drive name for removable media>:\rcx41.tmp
<Drive name for removable media>:\testwmv.exe
<Drive name for removable media>:\rcx42.tmp
<Drive name for removable media>:\rcx43.tmp
<Drive name for removable media>:\rcx3a.tmp
<Drive name for removable media>:\rcx3e.tmp
<Drive name for removable media>:\breakpoint.exe
<Drive name for removable media>:\rcx34.tmp
<Drive name for removable media>:\ff_ot_user_guide.exe
<Drive name for removable media>:\rcx30.tmp
<Drive name for removable media>:\rcx31.tmp
<Drive name for removable media>:\rcx32.tmp
<Drive name for removable media>:\lom602.exe
<Drive name for removable media>:\rcx33.tmp
<Drive name for removable media>:\rcx35.tmp
<Drive name for removable media>:\arrow-down.exe
<Drive name for removable media>:\calibre.exe
<Drive name for removable media>:\rcx36.tmp
<Drive name for removable media>:\dissolveanother.exe
<Drive name for removable media>:\rcx37.tmp
<Drive name for removable media>:\cbz.exe
<Drive name for removable media>:\rcx38.tmp
<Drive name for removable media>:\rcx39.tmp
<Drive name for removable media>:\rcx4c.tmp
<Drive name for removable media>:\rcx5d.tmp
<Drive name for removable media>:\rcx46.tmp
<Drive name for removable media>:\rcx54.tmp
<Drive name for removable media>:\rcx55.tmp
<Drive name for removable media>:\productos.exe
<Drive name for removable media>:\rcx56.tmp
<Drive name for removable media>:\rcx57.tmp
<Drive name for removable media>:\rcx58.tmp
<Drive name for removable media>:\sexy.exe
<Drive name for removable media>:\rcx45.tmp
<Drive name for removable media>:\rcx59.tmp
<Drive name for removable media>:\porn.exe
<Drive name for removable media>:\rcx5a.tmp
<Drive name for removable media>:\rcx5b.tmp
<Drive name for removable media>:\passwords.exe
<Drive name for removable media>:\rcx5c.tmp
<Drive name for removable media>:\rcx53.tmp
<Drive name for removable media>:\rcx2f.tmp
<Drive name for removable media>:\subjectclassification.exe
<Drive name for removable media>:\rcx4b.tmp
<Drive name for removable media>:\calculatorworksheet.exe
<Drive name for removable media>:\rcx47.tmp
<Drive name for removable media>:\rcx48.tmp
<Drive name for removable media>:\rcx49.tmp
<Drive name for removable media>:\removedtitles_records.exe
<Drive name for removable media>:\rcx4a.tmp
<Drive name for removable media>:\rcx44.tmp
<Drive name for removable media>:\rcx51.tmp
<Drive name for removable media>:\1sm_price.exe
<Drive name for removable media>:\rcx4d.tmp
<Drive name for removable media>:\rcx4e.tmp
<Drive name for removable media>:\rcx4f.tmp
<Drive name for removable media>:\contractualdeadlines.exe
<Drive name for removable media>:\rcx50.tmp
<Drive name for removable media>:\rcx52.tmp
<Drive name for removable media>:\secret.exe
<Drive name for removable media>:\rcx2e.tmp
<Drive name for removable media>:\dualectls.exe
<Drive name for removable media>:\rcxb.tmp
<Drive name for removable media>:\ovp25012015.exe
<Drive name for removable media>:\rcxc.tmp
<Drive name for removable media>:\rcxd.tmp
<Drive name for removable media>:\rcxe.tmp
<Drive name for removable media>:\fi51.exe
<Drive name for removable media>:\rcx10.tmp
<Drive name for removable media>:\rcx15.tmp
<Drive name for removable media>:\rcx11.tmp
<Drive name for removable media>:\cveuropeo.exe
<Drive name for removable media>:\rcx12.tmp
<Drive name for removable media>:\rcx13.tmp
<Drive name for removable media>:\rcx14.tmp
<Drive name for removable media>:\weeklysheet1215.exe
<Drive name for removable media>:\dashborder_96.exe
<Drive name for removable media>:\rcxf.tmp
<Drive name for removable media>:\rcxa.tmp
<Drive name for removable media>:\rcx4.tmp
<Drive name for removable media>:\muoboz.exe
<Drive name for removable media>:\join.exe
<Drive name for removable media>:\rcx1.tmp
<Drive name for removable media>:\rcx2.tmp
<Drive name for removable media>:\delete.exe
<Drive name for removable media>:\rcx3.tmp
<Drive name for removable media>:\split.exe
<Drive name for removable media>:\rcx9.tmp
<Drive name for removable media>:\rcx5.tmp
<Drive name for removable media>:\rcx6.tmp
<Drive name for removable media>:\archer.exe
<Drive name for removable media>:\rcx7.tmp
<Drive name for removable media>:\rcx8.tmp
<Drive name for removable media>:\dial.exe
<Drive name for removable media>:\default.exe
<Drive name for removable media>:\pushkin.exe
<Drive name for removable media>:\bc01.exe
<Drive name for removable media>:\4f0bf7ff71f28.exe
<Drive name for removable media>:\rcx22.tmp
<Drive name for removable media>:\rcx23.tmp
<Drive name for removable media>:\fil_20060629111052.exe
<Drive name for removable media>:\rcx24.tmp
<Drive name for removable media>:\rcx25.tmp
<Drive name for removable media>:\rcx26.tmp
<Drive name for removable media>:\rcx27.tmp
<Drive name for removable media>:\rcx17.tmp
<Drive name for removable media>:\rcx28.tmp
<Drive name for removable media>:\rcx29.tmp
<Drive name for removable media>:\7790_preview.exe
<Drive name for removable media>:\rcx2a.tmp
<Drive name for removable media>:\rcx2b.tmp
<Drive name for removable media>:\rcx2c.tmp
<Drive name for removable media>:\clip_480_5sec_6mbps_h264.exe
<Drive name for removable media>:\rcx2d.tmp
<Drive name for removable media>:\rcx21.tmp
<Drive name for removable media>:\rcx1b.tmp
<Drive name for removable media>:\rcx18.tmp
<Drive name for removable media>:\13.exe
<Drive name for removable media>:\rcx19.tmp
<Drive name for removable media>:\168.exe
<Drive name for removable media>:\rcx1a.tmp
<Drive name for removable media>:\210252809.exe
<Drive name for removable media>:\rcx16.tmp
<Drive name for removable media>:\video.exe
<Drive name for removable media>:\rcx1c.tmp
<Drive name for removable media>:\parnas_01.exe
<Drive name for removable media>:\rcx1d.tmp
<Drive name for removable media>:\51.exe
<Drive name for removable media>:\rcx1e.tmp
<Drive name for removable media>:\rcx1f.tmp
<Drive name for removable media>:\rcx20.tmp
<Drive name for removable media>:\rcx5e.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%\muoboz.exe

Sets the 'hidden' attribute to the following files

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

Deletes the following files

<Drive name for removable media>:\join.exe
<Drive name for removable media>:\calibre.exe
<Drive name for removable media>:\dissolveanother.exe
<Drive name for removable media>:\cbz.exe
<Drive name for removable media>:\arrow-down.exe
<Drive name for removable media>:\breakpoint.exe
<Drive name for removable media>:\background.exe
<Drive name for removable media>:\babyboymaintoscenesbackground_pal.exe
<Drive name for removable media>:\flower_trans_matte.exe
<Drive name for removable media>:\4f0bf7ff71f28.exe
<Drive name for removable media>:\passport_pal.exe
<Drive name for removable media>:\fiche_inscription_2015.exe
<Drive name for removable media>:\calculatorworksheet.exe
<Drive name for removable media>:\removedtitles_records.exe
<Drive name for removable media>:\1sm_price.exe
<Drive name for removable media>:\contractualdeadlines.exe
<Drive name for removable media>:\subjectclassification.exe
<Drive name for removable media>:\productos.exe
<Drive name for removable media>:\sexy.exe
<Drive name for removable media>:\ff_ot_user_guide.exe
<Drive name for removable media>:\lom602.exe
<Drive name for removable media>:\bc01.exe
<Drive name for removable media>:\7790_preview.exe
<Drive name for removable media>:\dualectls.exe
<Drive name for removable media>:\split.exe
<Drive name for removable media>:\archer.exe
<Drive name for removable media>:\dial.exe
<Drive name for removable media>:\default.exe
<Drive name for removable media>:\dashborder_96.exe
<Drive name for removable media>:\ovp25012015.exe
<Drive name for removable media>:\fi51.exe
<Drive name for removable media>:\cveuropeo.exe
<Drive name for removable media>:\porn.exe
<Drive name for removable media>:\testwmv.exe
<Drive name for removable media>:\weeklysheet1215.exe
<Drive name for removable media>:\168.exe
<Drive name for removable media>:\210252809.exe
<Drive name for removable media>:\pushkin.exe
<Drive name for removable media>:\parnas_01.exe
<Drive name for removable media>:\51.exe
<Drive name for removable media>:\video.exe
<Drive name for removable media>:\clip_480_5sec_6mbps_h264.exe
<Drive name for removable media>:\fil_20060629111052.exe
<Drive name for removable media>:\delete.exe
<Drive name for removable media>:\13.exe
<Drive name for removable media>:\passwords.exe

Substitutes the following files

<Drive name for removable media>:\join.exe
<Drive name for removable media>:\calibre.exe
<Drive name for removable media>:\dissolveanother.exe
<Drive name for removable media>:\cbz.exe
<Drive name for removable media>:\arrow-down.exe
<Drive name for removable media>:\breakpoint.exe
<Drive name for removable media>:\background.exe
<Drive name for removable media>:\babyboymaintoscenesbackground_pal.exe
<Drive name for removable media>:\flower_trans_matte.exe
<Drive name for removable media>:\4f0bf7ff71f28.exe
<Drive name for removable media>:\passport_pal.exe
<Drive name for removable media>:\fiche_inscription_2015.exe
<Drive name for removable media>:\calculatorworksheet.exe
<Drive name for removable media>:\removedtitles_records.exe
<Drive name for removable media>:\1sm_price.exe
<Drive name for removable media>:\contractualdeadlines.exe
<Drive name for removable media>:\subjectclassification.exe
<Drive name for removable media>:\productos.exe
<Drive name for removable media>:\sexy.exe
<Drive name for removable media>:\ff_ot_user_guide.exe
<Drive name for removable media>:\lom602.exe
<Drive name for removable media>:\bc01.exe
<Drive name for removable media>:\7790_preview.exe
<Drive name for removable media>:\dualectls.exe
<Drive name for removable media>:\split.exe
<Drive name for removable media>:\archer.exe
<Drive name for removable media>:\dial.exe
<Drive name for removable media>:\default.exe
<Drive name for removable media>:\dashborder_96.exe
<Drive name for removable media>:\ovp25012015.exe
<Drive name for removable media>:\fi51.exe
<Drive name for removable media>:\cveuropeo.exe
<Drive name for removable media>:\porn.exe
<Drive name for removable media>:\testwmv.exe
<Drive name for removable media>:\weeklysheet1215.exe
<Drive name for removable media>:\168.exe
<Drive name for removable media>:\210252809.exe
<Drive name for removable media>:\pushkin.exe
<Drive name for removable media>:\parnas_01.exe
<Drive name for removable media>:\51.exe
<Drive name for removable media>:\video.exe
<Drive name for removable media>:\clip_480_5sec_6mbps_h264.exe
<Drive name for removable media>:\fil_20060629111052.exe
<Drive name for removable media>:\delete.exe
<Drive name for removable media>:\13.exe
<Drive name for removable media>:\passwords.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%\muoboz.exe'

Technologies

Terminology

Training and education

Myths

Technical Information