Win32.HLLW.Autoruner2.28830
Added to the Dr.Web virus database:
2017-07-25
Virus description added:
2017-07-25
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,,%ProgramFiles%\Microsoft\Windowsupdate.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
Malicious functions:
Executes the following:
- '<SYSTEM32>\svchost.exe'
- '%ProgramFiles%\Microsoft\Windowsupdate.exe'
- '<Current directory>\<File name>Srv.exe'
Injects code into
the following system processes:
Modifies file system:
Creates the following files:
- %ProgramFiles%\GUM1.tmp\goopdateres_ml.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_mr.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_lt.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_lv.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_ms.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_pl.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_pt-BR.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_nl.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_no.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_id.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_is.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_hr.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_hu.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_it.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_kn.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_ko.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_iw.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_ja.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_tr.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_uk.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_te.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_th.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_ur.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_zh-TW.dll
- %ProgramFiles%\GUM1.tmp\GoogleUpdateSetup.exe
- %ProgramFiles%\GUM1.tmp\goopdateres_vi.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_zh-CN.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_ru.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_sk.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_pt-PT.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_ro.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_sl.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_sw.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_ta.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_sr.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_sv.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_hi.dll
- %ProgramFiles%\GUM1.tmp\GoogleUpdateWebPlugin.exe
- %ProgramFiles%\GUM1.tmp\psmachine.dll
- %ProgramFiles%\GUM1.tmp\GoogleUpdateOnDemand.exe
- %ProgramFiles%\GUM1.tmp\GoogleUpdateComRegisterShell64.exe
- %ProgramFiles%\GUM1.tmp\psmachine_64.dll
- %ProgramFiles%\GUM1.tmp\GoogleCrashHandler64.exe
- %ProgramFiles%\GUM1.tmp\goopdateres_am.dll
- %ProgramFiles%\GUM1.tmp\psuser.dll
- %ProgramFiles%\GUM1.tmp\psuser_64.dll
- %ProgramFiles%\GUT2.tmp
- %ProgramFiles%\GUM1.tmp\GoogleUpdate.exe
- <Current directory>\<File name>Srv.exe
- %ProgramFiles%\Microsoft\Windowsupdate.exe
- %ProgramFiles%\GUM1.tmp\GoogleCrashHandler.exe
- %ProgramFiles%\GUM1.tmp\GoogleUpdateHelper.msi
- %ProgramFiles%\GUM1.tmp\GoogleUpdateBroker.exe
- %ProgramFiles%\GUM1.tmp\goopdate.dll
- %ProgramFiles%\GUM1.tmp\npGoogleUpdate3.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_es-419.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_et.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_en-GB.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_es.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_fa.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_fr.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_gu.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_fi.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_fil.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_bn.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_ca.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_ar.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_bg.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_cs.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_el.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_en.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_da.dll
- %ProgramFiles%\GUM1.tmp\goopdateres_de.dll
Sets the 'hidden' attribute to the following files:
- %ProgramFiles%\Microsoft\Windowsupdate.exe
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
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