Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %WINDIR%\Tasks\GoogleUpdateTaskMachineUA.job
- %WINDIR%\Tasks\GoogleUpdateTaskMachineCore.job
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\gupdate] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /ping 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-PC9hcHA-PC9yZXF1ZXN0Pg
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /handoff "appguid={8A69D345-D564-463C-AFF1-A69D9E530F96}&iid={99F9CA32-7FEA-D833-50E5-27F472F75B1B}&lang=en&browser=3&usagestats=0&appname=Google%20Chrome&needsadmin=prefers&installdataindex=defaultbrowser" /installsource taggedmi /sessionid "{62BBBAC0-7390-4CE1-B4D6-076DDC0A7784}"
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /svc
- '%PROGRAM_FILES%\GUM1.tmp\GoogleUpdate.exe' /installsource taggedmi /install "appguid={8A69D345-D564-463C-AFF1-A69D9E530F96}&iid={99F9CA32-7FEA-D833-50E5-27F472F75B1B}&lang=en&browser=3&usagestats=0&appname=Google%20Chrome&needsadmin=prefers&installdataindex=defaultbrowser"
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /regsvc
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /regserver
Modifies file system :
Creates the following files:
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_gu.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_fr.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_hr.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_hi.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_fa.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_et.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_fil.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_fi.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_ja.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_iw.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_ko.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_kn.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_id.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_hu.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_it.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_is.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_es-419.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_ar.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_am.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_bn.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_bg.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdate.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\GoogleUpdate.exe
- %PROGRAM_FILES%\Google\Update\1.3.22.3\GoogleCrashHandler64.exe
- %PROGRAM_FILES%\Google\Update\1.3.22.3\GoogleCrashHandler.exe
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_en.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_el.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_es.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_en-GB.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_cs.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_ca.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_de.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_da.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_lt.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_vi.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_ur.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_zh-TW.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_zh-CN.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_th.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_te.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_uk.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_tr.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\npGoogleUpdate3.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\GoogleUpdateSetup.exe
- %PROGRAM_FILES%\Google\Update\1.3.22.3\GoogleUpdateOnDemand.exe
- %PROGRAM_FILES%\Google\Update\1.3.22.3\GoogleUpdateBroker.exe
- %PROGRAM_FILES%\Google\Update\1.3.22.3\psuser.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\GoogleUpdateHelper.msi
- %PROGRAM_FILES%\Google\Update\GoogleUpdate.exe
- %PROGRAM_FILES%\Google\Update\1.3.22.3\psmachine.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_ta.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_no.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_nl.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_pt-BR.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_pl.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_ml.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_lv.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_ms.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_mr.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_sr.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_sl.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_sw.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_sv.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_ro.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_pt-PT.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_sk.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.3\goopdateres_ru.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_es.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_en-GB.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_et.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_es-419.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_de.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_da.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_en.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_el.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_hi.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_gu.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_hu.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_hr.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_fi.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_fa.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_fr.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_fil.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_cs.dll
- %PROGRAM_FILES%\GUM1.tmp\GoogleUpdateHelper.msi
- %PROGRAM_FILES%\GUM1.tmp\npGoogleUpdate3.dll
- %PROGRAM_FILES%\GUM1.tmp\GoogleUpdateOnDemand.exe
- %PROGRAM_FILES%\GUM1.tmp\GoogleUpdateBroker.exe
- %PROGRAM_FILES%\GUM1.tmp\GoogleUpdate.exe
- %PROGRAM_FILES%\GUT2.tmp
- %PROGRAM_FILES%\GUM1.tmp\goopdate.dll
- %PROGRAM_FILES%\GUM1.tmp\GoogleCrashHandler.exe
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_bg.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ar.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ca.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_bn.dll
- %PROGRAM_FILES%\GUM1.tmp\psuser.dll
- %PROGRAM_FILES%\GUM1.tmp\psmachine.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_am.dll
- %PROGRAM_FILES%\GUM1.tmp\GoogleCrashHandler64.exe
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_id.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_sw.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_sv.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_te.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ta.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_sk.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ru.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_sr.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_sl.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_zh-CN.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_vi.dll
- %PROGRAM_FILES%\GUM1.tmp\GoogleUpdateSetup.exe
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_zh-TW.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_tr.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_th.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ur.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_uk.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ro.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ko.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_kn.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_lv.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_lt.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_it.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_is.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ja.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_iw.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_pl.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_no.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_pt-PT.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_pt-BR.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_mr.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ml.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_nl.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ms.dll
Network activity:
Connects to:
- 'localhost':1041
- '74.##5.232.51':80
- 'wp#d':80
- 'localhost':1039
TCP:
HTTP GET requests:
- wp#d/wpad.dat
UDP:
- DNS ASK to###.google.com
- DNS ASK wp#d
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
